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How to use outputFileName method in stryker-parent

Best JavaScript code snippet using stryker-parent

convert.js

Source:convert.js

1'use strict';2var Wav = require( '..' );3var fs = require( 'fs' );4var path = require( 'path' );5describe( 'Convert', function () {6  describe( '#file()', function () {7    describe( 'file-does-not-exist.wav', function () {8      var filename = 'file-that-does-not-exist.wav';9      var inputFilename = path.resolve( path.join( __dirname, 'audio', filename ) );10      var outputFilename = inputFilename + '.wav';11      before( 'ensure input file does not exist', function ( done ) {12        fs.exists( inputFilename, function ( exists ) {13          if ( exists ) {14            return done( new Error( 'Input file exists.' ) );15          }16          done();17        } );18      } );19      before( 'ensure output file does not exist', function ( done ) {20        fs.exists( outputFilename, function ( exists ) {21          if ( !exists ) {22            return done();23          }24          // Remove preexisting output file25          fs.unlink( outputFilename, function ( err ) {26            if ( err ) {27              return done( err );28            }29            done();30          } );31        } );32      } );33      after( 'remove output file', function ( done ) {34        fs.unlink( outputFilename, function ( err ) {35          if ( err ) {36            return done( err );37          }38          done();39        } );40      } );41      it( 'should throw an error', function ( done ) {42        Wav.convert.file( inputFilename, outputFilename, {}, function ( err ) {43          if ( !err ) {44            return done( 'Did not throw an error.' );45          }46          done();47        } );48      } );49      it( 'should not create the output file', function ( done ) {50        fs.exists( outputFilename, function ( exists ) {51          if ( exists ) {52            return done( new Error( 'Created output file.' ) );53          }54          done();55        } );56      } );57      it( 'should not overwrite the output file', function ( done ) {58        // Create empty file for reference59        fs.open( outputFilename, 'w', function ( err, fd ) {60          if ( err ) {61            return done( err );62          }63          fs.close( fd, function ( err ) {64            if ( err ) {65              return done( err );66            }67            fs.stat( outputFilename, function ( err, stats ) {68              if ( err ) {69                return done( err );70              }71              var emptySize = stats.size;72              Wav.convert.file( inputFilename, outputFilename, {}, function ( err ) {73                if ( err ) {74                  return done( err );75                }76                fs.stat( outputFilename, function ( err, stats ) {77                  if ( err ) {78                    return done( err );79                  }80                  if ( stats.size !== emptySize ) {81                    return done( new Error( 'Overwrite output file.' ) );82                  }83                  done();84                } );85              } );86            } );87          } );88        } );89      } );90    } );91    describe( 'file.js', function () {92      var filename = 'convert.js';93      var inputFilename = path.resolve( path.join( __dirname, filename ) );94      var outputFilename = inputFilename + '.wav';95      before( 'ensure input file exists', function ( done ) {96        fs.exists( inputFilename, function ( exists ) {97          if ( !exists ) {98            return done( new Error( 'Input file does not exist.' ) );99          }100          done();101        } );102      } );103      before( 'ensure output file does not exist', function ( done ) {104        fs.exists( outputFilename, function ( exists ) {105          if ( !exists ) {106            return done();107          }108          // Remove preexisting output file109          fs.unlink( outputFilename, function ( err ) {110            if ( err ) {111              return done( err );112            }113            done();114          } );115        } );116      } );117      after( 'remove output file', function ( done ) {118        fs.unlink( outputFilename, function ( err ) {119          if ( err ) {120            return done( err );121          }122          done();123        } );124      } );125      it( 'should throw an error', function ( done ) {126        Wav.convert.file( inputFilename, outputFilename, {}, function ( err ) {127          if ( !err ) {128            return done( 'Did not throw an error.' );129          }130          done();131        } );132      } );133      it( 'should not create the output file', function ( done ) {134        fs.exists( outputFilename, function ( exists ) {135          if ( exists ) {136            return done( new Error( 'Created output file.' ) );137          }138          done();139        } );140      } );141      it( 'should not overwrite the output file', function ( done ) {142        // Create empty file for reference143        fs.open( outputFilename, 'w', function ( err, fd ) {144          if ( err ) {145            return done( err );146          }147          fs.close( fd, function ( err ) {148            if ( err ) {149              return done( err );150            }151            fs.stat( outputFilename, function ( err, stats ) {152              if ( err ) {153                return done( err );154              }155              var emptySize = stats.size;156              Wav.convert.file( inputFilename, outputFilename, {}, function ( err ) {157                if ( err ) {158                  return done( err );159                }160                fs.stat( outputFilename, function ( err, stats ) {161                  if ( err ) {162                    return done( err );163                  }164                  if ( stats.size !== emptySize ) {165                    return done( new Error( 'Overwrite output file.' ) );166                  }167                  done();168                } );169              } );170            } );171          } );172        } );173      } );174    } );175    describe( 'T2a6uvl5c4m7ozqnt37wejkt32a.wav', function () {176      var filename = 'T2a6uvl5c4m7ozqnt37wejkt32a.wav';177      var inputFilename = path.resolve( path.join( __dirname, 'audio', filename ) );178      var outputFilename = inputFilename + '.wav';179      before( 'ensure input file exists', function ( done ) {180        fs.exists( inputFilename, function ( exists ) {181          if ( !exists ) {182            return done( new Error( 'Input file does not exist.' ) );183          }184          done();185        } );186      } );187      before( 'ensure output file does not exist', function ( done ) {188        fs.exists( outputFilename, function ( exists ) {189          if ( !exists ) {190            return done();191          }192          // Remove preexisting output file193          fs.unlink( outputFilename, function ( err ) {194            if ( err ) {195              return done( err );196            }197            done();198          } );199        } );200      } );201      after( 'remove output file', function ( done ) {202        fs.unlink( outputFilename, function ( err ) {203          if ( err ) {204            return done( err );205          }206          done();207        } );208      } );209      it( 'should not throw an error', function ( done ) {210        Wav.convert.file( inputFilename, outputFilename, {}, function ( err ) {211          if ( err ) {212            return done( err );213          }214          done();215        } );216      } );217      it( 'should create the output file', function ( done ) {218        fs.exists( outputFilename, function ( exists ) {219          if ( !exists ) {220            return done( new Error( 'Did not create output file.' ) );221          }222          done();223        } );224      } );225      it( 'should overwrite the output file', function ( done ) {226        // Create empty file for reference227        fs.open( outputFilename, 'w', function ( err, fd ) {228          if ( err ) {229            return done( err );230          }231          fs.close( fd, function ( err ) {232            if ( err ) {233              return done( err );234            }235            fs.stat( outputFilename, function ( err, stats ) {236              if ( err ) {237                return done( err );238              }239              var emptySize = stats.size;240              Wav.convert.file( inputFilename, outputFilename, {}, function ( err ) {241                if ( err ) {242                  return done( err );243                }244                fs.stat( outputFilename, function ( err, stats ) {245                  if ( err ) {246                    return done( err );247                  }248                  if ( stats.size === emptySize ) {249                    return done( new Error( 'Did not overwrite output file.' ) );250                  }251                  done();252                } );253              } );254            } );255          } );256        } );257      } );258      it( 'should create a valid output wav file', function ( done ) {259        // A valid wav file is one that we can read without error260        Wav.file.read( outputFilename, {}, function ( err ) {261          if ( err ) {262            return done( err );263          }264          done();265        } );266      } );267      it( 'should create a correct output wav file', function ( done ) {268        var expected = 'AC7A05D0EE017731F5BDA0CAA45A8A553AE3A8CA828694932C9EB2A49BD4ADC3';269        // A correct conversion occurs if we calculate the expected hash270        Wav.file.hash( outputFilename, function ( err, hash ) {271          if ( err ) {272            return done( err );273          }274          // Ensure hash is correct275          if ( hash !== expected ) {276            return done( new Error( 'Converted incorrectly.' ) );277          }278          done();279        } );280      } );281    } );282    describe( 'T2aaoxo63yfkykfmdr7yehuzqza.wav', function () {283      var filename = 'T2aaoxo63yfkykfmdr7yehuzqza.wav';284      var inputFilename = path.resolve( path.join( __dirname, 'audio', filename ) );285      var outputFilename = inputFilename + '.wav';286      before( 'ensure input file exists', function ( done ) {287        fs.exists( inputFilename, function ( exists ) {288          if ( !exists ) {289            return done( new Error( 'Input file does not exist.' ) );290          }291          done();292        } );293      } );294      before( 'ensure output file does not exist', function ( done ) {295        fs.exists( outputFilename, function ( exists ) {296          if ( !exists ) {297            return done();298          }299          // Remove preexisting output file300          fs.unlink( outputFilename, function ( err ) {301            if ( err ) {302              return done( err );303            }304            done();305          } );306        } );307      } );308      after( 'remove output file', function ( done ) {309        fs.unlink( outputFilename, function ( err ) {310          if ( err ) {311            return done( err );312          }313          done();314        } );315      } );316      it( 'should not throw an error', function ( done ) {317        Wav.convert.file( inputFilename, outputFilename, {}, function ( err ) {318          if ( err ) {319            return done( err );320          }321          done();322        } );323      } );324      it( 'should create the output file', function ( done ) {325        fs.exists( outputFilename, function ( exists ) {326          if ( !exists ) {327            return done( new Error( 'Did not create output file.' ) );328          }329          done();330        } );331      } );332      it( 'should overwrite the output file', function ( done ) {333        // Create empty file for reference334        fs.open( outputFilename, 'w', function ( err, fd ) {335          if ( err ) {336            return done( err );337          }338          fs.close( fd, function ( err ) {339            if ( err ) {340              return done( err );341            }342            fs.stat( outputFilename, function ( err, stats ) {343              if ( err ) {344                return done( err );345              }346              var emptySize = stats.size;347              Wav.convert.file( inputFilename, outputFilename, {}, function ( err ) {348                if ( err ) {349                  return done( err );350                }351                fs.stat( outputFilename, function ( err, stats ) {352                  if ( err ) {353                    return done( err );354                  }355                  if ( stats.size === emptySize ) {356                    return done( new Error( 'Did not overwrite output file.' ) );357                  }358                  done();359                } );360              } );361            } );362          } );363        } );364      } );365      it( 'should create a valid output wav file', function ( done ) {366        // A valid wav file is one that we can read without error367        Wav.file.read( outputFilename, {}, function ( err ) {368          if ( err ) {369            return done( err );370          }371          done();372        } );373      } );374      it( 'should create a correct output wav file', function ( done ) {375        var expected = '118DA6568EE44D31A7335185563866A447C6B3CC76FFAB181CC00E4EF4BD5AC0';376        // A correct conversion occurs if we calculate the expected hash377        Wav.file.hash( outputFilename, function ( err, hash ) {378          if ( err ) {379            return done( err );380          }381          // Ensure hash is correct382          if ( hash !== expected ) {383            return done( new Error( 'Converted incorrectly.' ) );384          }385          done();386        } );387      } );388    } );389    describe( 'T2aaoxo63yfkykfmdr7yehuzqza.mp3', function () {390      var filename = 'T2aaoxo63yfkykfmdr7yehuzqza.mp3';391      var inputFilename = path.resolve( path.join( __dirname, 'audio', filename ) );392      var outputFilename = inputFilename + '.wav';393      describe( 'options = {}', function () {394        before( 'ensure input file exists', function ( done ) {395          fs.exists( inputFilename, function ( exists ) {396            if ( !exists ) {397              return done( new Error( 'Input file does not exist.' ) );398            }399            done();400          } );401        } );402        before( 'ensure output file does not exist', function ( done ) {403          fs.exists( outputFilename, function ( exists ) {404            if ( !exists ) {405              return done();406            }407            // Remove preexisting output file408            fs.unlink( outputFilename, function ( err ) {409              if ( err ) {410                return done( err );411              }412              done();413            } );414          } );415        } );416        after( 'remove output file', function ( done ) {417          fs.unlink( outputFilename, function ( err ) {418            if ( err ) {419              return done( err );420            }421            done();422          } );423        } );424        it( 'should not throw an error', function ( done ) {425          Wav.convert.file( inputFilename, outputFilename, {}, function ( err ) {426            if ( err ) {427              return done( err );428            }429            done();430          } );431        } );432        it( 'should create the output file', function ( done ) {433          fs.exists( outputFilename, function ( exists ) {434            if ( !exists ) {435              return done( new Error( 'Did not create output file.' ) );436            }437            done();438          } );439        } );440        it( 'should overwrite the output file', function ( done ) {441          // Create empty file for reference442          fs.open( outputFilename, 'w', function ( err, fd ) {443            if ( err ) {444              return done( err );445            }446            fs.close( fd, function ( err ) {447              if ( err ) {448                return done( err );449              }450              fs.stat( outputFilename, function ( err, stats ) {451                if ( err ) {452                  return done( err );453                }454                var emptySize = stats.size;455                Wav.convert.file( inputFilename, outputFilename, {}, function ( err ) {456                  if ( err ) {457                    return done( err );458                  }459                  fs.stat( outputFilename, function ( err, stats ) {460                    if ( err ) {461                      return done( err );462                    }463                    if ( stats.size === emptySize ) {464                      return done( new Error( 'Did not overwrite output file.' ) );465                    }466                    done();467                  } );468                } );469              } );470            } );471          } );472        } );473        it( 'should create a valid output wav file', function ( done ) {474          // A valid wav file is one that we can read without error475          Wav.file.read( outputFilename, {}, function ( err, wav_file ) {476            if ( err ) {477              return done( err );478            }479            // Must have only one channel480            if ( wav_file.numChannels !== 2 ) {481              return done( new Error( 'Does not exactly have two channels.' ) );482            }483            done();484          } );485        } );486        it( 'should create a correct output wav file', function ( done ) {487          var expected = 'AA4026AA1A6A2D59AC01427F4A2D3B239CDD955BD309678C4EF1CC8490E968C1';488          // A correct conversion occurs if we calculate the expected hash489          Wav.file.hash( outputFilename, function ( err, hash ) {490            if ( err ) {491              return done( err );492            }493            // Ensure hash is correct494            if ( hash !== expected ) {495              return done( new Error( 'Converted incorrectly.' ) );496            }497            done();498          } );499        } );500      } );501      describe( 'options = { channels: [ 0, 1 ] }', function () {502        before( 'ensure input file exists', function ( done ) {503          fs.exists( inputFilename, function ( exists ) {504            if ( !exists ) {505              return done( new Error( 'Input file does not exist.' ) );506            }507            done();508          } );509        } );510        before( 'ensure output file does not exist', function ( done ) {511          fs.exists( outputFilename, function ( exists ) {512            if ( !exists ) {513              return done();514            }515            // Remove preexisting output file516            fs.unlink( outputFilename, function ( err ) {517              if ( err ) {518                return done( err );519              }520              done();521            } );522          } );523        } );524        after( 'remove output file', function ( done ) {525          fs.unlink( outputFilename, function ( err ) {526            if ( err ) {527              return done( err );528            }529            done();530          } );531        } );532        it( 'should not throw an error', function ( done ) {533          Wav.convert.file( inputFilename, outputFilename, { channels: [ 0, 1 ] }, function ( err ) {534            if ( err ) {535              return done( err );536            }537            done();538          } );539        } );540        it( 'should create the output file', function ( done ) {541          fs.exists( outputFilename, function ( exists ) {542            if ( !exists ) {543              return done( new Error( 'Did not create output file.' ) );544            }545            done();546          } );547        } );548        it( 'should overwrite the output file', function ( done ) {549          // Create empty file for reference550          fs.open( outputFilename, 'w', function ( err, fd ) {551            if ( err ) {552              return done( err );553            }554            fs.close( fd, function ( err ) {555              if ( err ) {556                return done( err );557              }558              fs.stat( outputFilename, function ( err, stats ) {559                if ( err ) {560                  return done( err );561                }562                var emptySize = stats.size;563                Wav.convert.file( inputFilename, outputFilename, { channels: [ 0, 1 ] }, function ( err ) {564                  if ( err ) {565                    return done( err );566                  }567                  fs.stat( outputFilename, function ( err, stats ) {568                    if ( err ) {569                      return done( err );570                    }571                    if ( stats.size === emptySize ) {572                      return done( new Error( 'Did not overwrite output file.' ) );573                    }574                    done();575                  } );576                } );577              } );578            } );579          } );580        } );581        it( 'should create a valid output wav file', function ( done ) {582          // A valid wav file is one that we can read without error583          Wav.file.read( outputFilename, {}, function ( err, wav_file ) {584            if ( err ) {585              return done( err );586            }587            // Must have only one channel588            if ( wav_file.numChannels !== 2 ) {589              return done( new Error( 'Does not exactly have two channels.' ) );590            }591            done();592          } );593        } );594        it( 'should create a correct output wav file', function ( done ) {595          var expected = 'AA4026AA1A6A2D59AC01427F4A2D3B239CDD955BD309678C4EF1CC8490E968C1';596          // A correct conversion occurs if we calculate the expected hash597          Wav.file.hash( outputFilename, function ( err, hash ) {598            if ( err ) {599              return done( err );600            }601            // Ensure hash is correct602            if ( hash !== expected ) {603              return done( new Error( 'Converted incorrectly.' ) );604            }605            done();606          } );607        } );608      } );609      describe( 'options = { channels: [ 0 ] }', function () {610        before( 'ensure input file exists', function ( done ) {611          fs.exists( inputFilename, function ( exists ) {612            if ( !exists ) {613              return done( new Error( 'Input file does not exist.' ) );614            }615            done();616          } );617        } );618        before( 'ensure output file does not exist', function ( done ) {619          fs.exists( outputFilename, function ( exists ) {620            if ( !exists ) {621              return done();622            }623            // Remove preexisting output file624            fs.unlink( outputFilename, function ( err ) {625              if ( err ) {626                return done( err );627              }628              done();629            } );630          } );631        } );632        after( 'remove output file', function ( done ) {633          fs.unlink( outputFilename, function ( err ) {634            if ( err ) {635              return done( err );636            }637            done();638          } );639        } );640        it( 'should not throw an error', function ( done ) {641          Wav.convert.file( inputFilename, outputFilename, { channels: [ 0 ] }, function ( err ) {642            if ( err ) {643              return done( err );644            }645            done();646          } );647        } );648        it( 'should create the output file', function ( done ) {649          fs.exists( outputFilename, function ( exists ) {650            if ( !exists ) {651              return done( new Error( 'Did not create output file.' ) );652            }653            done();654          } );655        } );656        it( 'should overwrite the output file', function ( done ) {657          // Create empty file for reference658          fs.open( outputFilename, 'w', function ( err, fd ) {659            if ( err ) {660              return done( err );661            }662            fs.close( fd, function ( err ) {663              if ( err ) {664                return done( err );665              }666              fs.stat( outputFilename, function ( err, stats ) {667                if ( err ) {668                  return done( err );669                }670                var emptySize = stats.size;671                Wav.convert.file( inputFilename, outputFilename, { channels: [ 0 ] }, function ( err ) {672                  if ( err ) {673                    return done( err );674                  }675                  fs.stat( outputFilename, function ( err, stats ) {676                    if ( err ) {677                      return done( err );678                    }679                    if ( stats.size === emptySize ) {680                      return done( new Error( 'Did not overwrite output file.' ) );681                    }682                    done();683                  } );684                } );685              } );686            } );687          } );688        } );689        it( 'should create a valid output wav file', function ( done ) {690          // A valid wav file is one that we can read without error691          Wav.file.read( outputFilename, {}, function ( err, wav_file ) {692            if ( err ) {693              return done( err );694            }695            // Must have only one channel696            if ( wav_file.numChannels !== 1 ) {697              return done( new Error( 'Does not exactly have one channel.' ) );698            }699            done();700          } );701        } );702        it( 'should create a correct output wav file', function ( done ) {703          var expected = '8ABFCB1897577AE4AF1D81B65894924ACDA1E7C520438BFAEC85AA7E6FB21794';704          // A correct conversion occurs if we calculate the expected hash705          Wav.file.hash( outputFilename, function ( err, hash ) {706            if ( err ) {707              return done( err );708            }709            // Ensure hash is correct710            if ( hash !== expected ) {711              return done( new Error( 'Converted incorrectly.' ) );712            }713            done();714          } );715        } );716      } );717      describe( 'options = { channels: [ 1 ] }', function () {718        before( 'ensure input file exists', function ( done ) {719          fs.exists( inputFilename, function ( exists ) {720            if ( !exists ) {721              return done( new Error( 'Input file does not exist.' ) );722            }723            done();724          } );725        } );726        before( 'ensure output file does not exist', function ( done ) {727          fs.exists( outputFilename, function ( exists ) {728            if ( !exists ) {729              return done();730            }731            // Remove preexisting output file732            fs.unlink( outputFilename, function ( err ) {733              if ( err ) {734                return done( err );735              }736              done();737            } );738          } );739        } );740        after( 'remove output file', function ( done ) {741          fs.unlink( outputFilename, function ( err ) {742            if ( err ) {743              return done( err );744            }745            done();746          } );747        } );748        it( 'should not throw an error', function ( done ) {749          Wav.convert.file( inputFilename, outputFilename, { channels: [ 1 ] }, function ( err ) {750            if ( err ) {751              return done( err );752            }753            done();754          } );755        } );756        it( 'should create the output file', function ( done ) {757          fs.exists( outputFilename, function ( exists ) {758            if ( !exists ) {759              return done( new Error( 'Did not create output file.' ) );760            }761            done();762          } );763        } );764        it( 'should overwrite the output file', function ( done ) {765          // Create empty file for reference766          fs.open( outputFilename, 'w', function ( err, fd ) {767            if ( err ) {768              return done( err );769            }770            fs.close( fd, function ( err ) {771              if ( err ) {772                return done( err );773              }774              fs.stat( outputFilename, function ( err, stats ) {775                if ( err ) {776                  return done( err );777                }778                var emptySize = stats.size;779                Wav.convert.file( inputFilename, outputFilename, { channels: [ 1 ] }, function ( err ) {780                  if ( err ) {781                    return done( err );782                  }783                  fs.stat( outputFilename, function ( err, stats ) {784                    if ( err ) {785                      return done( err );786                    }787                    if ( stats.size === emptySize ) {788                      return done( new Error( 'Did not overwrite output file.' ) );789                    }790                    done();791                  } );792                } );793              } );794            } );795          } );796        } );797        it( 'should create a valid output wav file', function ( done ) {798          // A valid wav file is one that we can read without error799          Wav.file.read( outputFilename, {}, function ( err, wav_file ) {800            if ( err ) {801              return done( err );802            }803            // Must have only one channel804            if ( wav_file.numChannels !== 1 ) {805              return done( new Error( 'Does not exactly have one channel.' ) );806            }807            done();808          } );809        } );810        it( 'should create a correct output wav file', function ( done ) {811          var expected = '6B0037639952CCCCDFB5E7993AF30275F5DA934FD4F54A22E56961721473D9A5';812          // A correct conversion occurs if we calculate the expected hash813          Wav.file.hash( outputFilename, function ( err, hash ) {814            if ( err ) {815              return done( err );816            }817            // Ensure hash is correct818            if ( hash !== expected ) {819              return done( new Error( 'Converted incorrectly.' ) );820            }821            done();822          } );823        } );824      } );825      describe( 'options = { mix: true }', function () {826        before( 'ensure input file exists', function ( done ) {827          fs.exists( inputFilename, function ( exists ) {828            if ( !exists ) {829              return done( new Error( 'Input file does not exist.' ) );830            }831            done();832          } );833        } );834        before( 'ensure output file does not exist', function ( done ) {835          fs.exists( outputFilename, function ( exists ) {836            if ( !exists ) {837              return done();838            }839            // Remove preexisting output file840            fs.unlink( outputFilename, function ( err ) {841              if ( err ) {842                return done( err );843              }844              done();845            } );846          } );847        } );848        after( 'remove output file', function ( done ) {849          fs.unlink( outputFilename, function ( err ) {850            if ( err ) {851              return done( err );852            }853            done();854          } );855        } );856        it( 'should not throw an error', function ( done ) {857          Wav.convert.file( inputFilename, outputFilename, { mix: true }, function ( err ) {858            if ( err ) {859              return done( err );860            }861            done();862          } );863        } );864        it( 'should create the output file', function ( done ) {865          fs.exists( outputFilename, function ( exists ) {866            if ( !exists ) {867              return done( new Error( 'Did not create output file.' ) );868            }869            done();870          } );871        } );872        it( 'should overwrite the output file', function ( done ) {873          // Create empty file for reference874          fs.open( outputFilename, 'w', function ( err, fd ) {875            if ( err ) {876              return done( err );877            }878            fs.close( fd, function ( err ) {879              if ( err ) {880                return done( err );881              }882              fs.stat( outputFilename, function ( err, stats ) {883                if ( err ) {884                  return done( err );885                }886                var emptySize = stats.size;887                Wav.convert.file( inputFilename, outputFilename, { mix: true }, function ( err ) {888                  if ( err ) {889                    return done( err );890                  }891                  fs.stat( outputFilename, function ( err, stats ) {892                    if ( err ) {893                      return done( err );894                    }895                    if ( stats.size === emptySize ) {896                      return done( new Error( 'Did not overwrite output file.' ) );897                    }898                    done();899                  } );900                } );901              } );902            } );903          } );904        } );905        it( 'should create a valid output wav file', function ( done ) {906          // A valid wav file is one that we can read without error907          Wav.file.read( outputFilename, {}, function ( err ) {908            if ( err ) {909              return done( err );910            }911            done();912          } );913        } );914        it( 'should create a correct output wav file', function ( done ) {915          var expected = '118DA6568EE44D31A7335185563866A447C6B3CC76FFAB181CC00E4EF4BD5AC0';916          // A correct conversion occurs if we calculate the expected hash917          Wav.file.hash( outputFilename, function ( err, hash ) {918            if ( err ) {919              return done( err );920            }921            // Ensure hash is correct922            if ( hash !== expected ) {923              return done( new Error( 'Converted incorrectly.' ) );924            }925            done();926          } );927        } );928      } );929      describe( 'options = { channels: [ 0, 1 ], mix: true }', function () {930        before( 'ensure input file exists', function ( done ) {931          fs.exists( inputFilename, function ( exists ) {932            if ( !exists ) {933              return done( new Error( 'Input file does not exist.' ) );934            }935            done();936          } );937        } );938        before( 'ensure output file does not exist', function ( done ) {939          fs.exists( outputFilename, function ( exists ) {940            if ( !exists ) {941              return done();942            }943            // Remove preexisting output file944            fs.unlink( outputFilename, function ( err ) {945              if ( err ) {946                return done( err );947              }948              done();949            } );950          } );951        } );952        after( 'remove output file', function ( done ) {953          fs.unlink( outputFilename, function ( err ) {954            if ( err ) {955              return done( err );956            }957            done();958          } );959        } );960        it( 'should not throw an error', function ( done ) {961          Wav.convert.file( inputFilename, outputFilename, { channels: [ 0, 1 ], mix: true }, function ( err ) {962            if ( err ) {963              return done( err );964            }965            done();966          } );967        } );968        it( 'should create the output file', function ( done ) {969          fs.exists( outputFilename, function ( exists ) {970            if ( !exists ) {971              return done( new Error( 'Did not create output file.' ) );972            }973            done();974          } );975        } );976        it( 'should overwrite the output file', function ( done ) {977          // Create empty file for reference978          fs.open( outputFilename, 'w', function ( err, fd ) {979            if ( err ) {980              return done( err );981            }982            fs.close( fd, function ( err ) {983              if ( err ) {984                return done( err );985              }986              fs.stat( outputFilename, function ( err, stats ) {987                if ( err ) {988                  return done( err );989                }990                var emptySize = stats.size;991                Wav.convert.file( inputFilename, outputFilename, { channels: [ 0, 1 ], mix: true }, function ( err ) {992                  if ( err ) {993                    return done( err );994                  }995                  fs.stat( outputFilename, function ( err, stats ) {996                    if ( err ) {997                      return done( err );998                    }999                    if ( stats.size === emptySize ) {1000                      return done( new Error( 'Did not overwrite output file.' ) );1001                    }1002                    done();1003                  } );1004                } );1005              } );1006            } );1007          } );1008        } );1009        it( 'should create a valid output wav file', function ( done ) {1010          // A valid wav file is one that we can read without error1011          Wav.file.read( outputFilename, {}, function ( err ) {1012            if ( err ) {1013              return done( err );1014            }1015            done();1016          } );1017        } );1018        it( 'should create a correct output wav file', function ( done ) {1019          var expected = '118DA6568EE44D31A7335185563866A447C6B3CC76FFAB181CC00E4EF4BD5AC0';1020          // A correct conversion occurs if we calculate the expected hash1021          Wav.file.hash( outputFilename, function ( err, hash ) {1022            if ( err ) {1023              return done( err );1024            }1025            // Ensure hash is correct1026            if ( hash !== expected ) {1027              return done( new Error( 'Converted incorrectly.' ) );1028            }1029            done();1030          } );1031        } );1032      } );1033    } );1034  } );1035  describe.skip( '#dir()', function () {1036    it( 'should create correct number of output files' );1037  } );...

acquire.ts

Source:acquire.ts

1// Copyright (c) Microsoft Corporation.2// Licensed under the MIT License.3import { strict } from 'assert';4import { pipeline as origPipeline } from 'stream';5import { promisify } from 'util';6import { i } from '../i18n';7import { Session } from '../session';8import { Credentials } from '../util/credentials';9import { ExtendedEmitter } from '../util/events';10import { RemoteFileUnavailable } from '../util/exceptions';11import { Algorithm, Hash } from '../util/hash';12import { Uri } from '../util/uri';13import { get, getStream, RemoteFile, resolveRedirect } from './https';14import { Progress, ProgressTrackingStream } from './streams';15const pipeline = promisify(origPipeline);16const size32K = 1 << 15;17const size64K = 1 << 16;18export interface AcquireOptions extends Hash {19  /** force a redownload even if it's in cache */20  force?: boolean;21  credentials?: Credentials;22  events?: Partial<AcquireEvents>23}24export interface AcquireEvents extends Progress {25  download(file: string, percent: number): void;26  verifying(file: string, percent: number): void;27  complete(): void;28}29export async function acquireArtifactFile(session: Session, uris: Array<Uri>, outputFilename: string, options?: AcquireOptions) {30  await session.cache.createDirectory();31  const outputFile = session.cache.join(outputFilename);32  session.channels.debug(`Acquire file '${outputFilename}' from [${uris.map(each => each.toString()).join(',')}]`);33  if (options?.algorithm && options?.value) {34    session.channels.debug(`We have a hash: ${options.algorithm}/${options.value}`);35    // if we have hash data, check to see if the output file is good.36    if (await outputFile.isFile()) {37      session.channels.debug(`There is an output file already, verifying: ${outputFile.fsPath}`);38      if (await outputFile.hashValid(options)) {39        session.channels.debug(`Cached file matched hash: ${outputFile.fsPath}`);40        return outputFile;41      }42    }43  }44  // is the file present on a local filesystem?45  for (const uri of uris) {46    if (uri.isLocal) {47      // we have a local file48      if (options?.algorithm && options?.value) {49        // we have a hash.50        // is it valid?51        if (await uri.hashValid(options)) {52          session.channels.debug(`Local file matched hash: ${uri.fsPath}`);53          return uri;54        }55      } else if (await uri.exists()) {56        // we don't have a hash, but the file is local, and it exists.57        // we have to return it58        session.channels.debug(`Using local file (no hash, unable to verify): ${uri.fsPath}`);59        return uri;60      }61      // do we have a filename62    }63  }64  // we don't have a local file65  // https is all that we know at the moment.66  const webUris = uris.where(each => each.isHttps);67  if (webUris.length === 0) {68    // wait, no web uris?69    throw new RemoteFileUnavailable(uris);70  }71  return https(session, webUris, outputFilename, options);72}73/** */74async function https(session: Session, uris: Array<Uri>, outputFilename: string, options?: AcquireOptions) {75  const ee = new ExtendedEmitter<AcquireEvents>();76  ee.subscribe(options?.events);77  session.channels.debug(`Attempting to download file '${outputFilename}' from [${uris.map(each => each.toString()).join(',')}]`);78  let resumeAtOffset = 0;79  await session.cache.createDirectory();80  const outputFile = session.cache.join(outputFilename);81  if (options?.force) {82    session.channels.debug(`Acquire '${outputFilename}': force specified, forcing download`);83    // is force specified; delete the current file84    await outputFile.delete();85  }86  // start this peeking at the target uris.87  session.channels.debug(`Acquire '${outputFilename}': checking remote connections`);88  const locations = new RemoteFile(uris, { credentials: options?.credentials });89  let url: Uri | undefined;90  // is there a file in the cache91  if (await outputFile.exists()) {92    session.channels.debug(`Acquire '${outputFilename}': local file exists`);93    if (options?.algorithm) {94      // does it match a hash that we have?95      if (await outputFile.hashValid(options)) {96        session.channels.debug(`Acquire '${outputFilename}': local file hash matches metdata`);97        // yes it does. let's just return done.98        return outputFile;99      }100    }101    // it doesn't match a known hash.102    const contentLength = await locations.contentLength;103    session.channels.debug(`Acquire '${outputFilename}': remote connection info is back`);104    const onDiskSize = await outputFile.size();105    if (!await locations.availableLocation) {106      if (locations.failures.all(each => each.code === 404)) {107        let msg = i`Unable to download file`;108        if (options?.credentials) {109          msg += (i` - It could be that your authentication credentials are not correct`);110        }111        session.channels.error(msg);112        throw new RemoteFileUnavailable(uris);113      }114    }115    // first, make sure that there is a remote that is accessible.116    strict.ok(!!await locations.availableLocation, `Requested file ${outputFilename} has no accessible locations ${uris.map(each => each.toString()).join(',')}`);117    url = await locations.resumableLocation;118    // ok, does it support resume?119    if (url) {120      // yes, let's check what the size is expected to be.121      if (!options?.algorithm) {122        if (contentLength === onDiskSize) {123          session.channels.debug(`Acquire '${outputFilename}': on disk file matches length of remote file`);124          const algorithm = <Algorithm>(await locations.algorithm);125          const value = await locations.hash;126          session.channels.debug(`Acquire '${outputFilename}': remote alg/hash: '${algorithm}'/'${value}`);127          if (algorithm && value && outputFile.hashValid({ algorithm, value, ...options })) {128            session.channels.debug(`Acquire '${outputFilename}': on disk file hash matches the server hash`);129            // so *we* don't have the hash, but ... if the server has a hash, we could see if what we have is what they have?130            // it does match what the server has.131            // I call this an win.132            return outputFile;133          }134          // we don't have a hash, or what we have doesn't match.135          // maybe we will get a match below (or resume)136        }137      }138      if (onDiskSize > size64K) {139        // it's bigger than 64k. Good. otherwise, we're just wasting time.140        // so, how big is the remote141        if (contentLength >= onDiskSize) {142          session.channels.debug(`Acquire '${outputFilename}': local file length is less than or equal to remote file length`);143          // looks like there could be more remotely than we have.144          // lets compare the first 32k and the last 32k of what we have145          // against what they have and see if they match.146          const top = (await get(url, { start: 0, end: size32K - 1, credentials: options?.credentials })).rawBody;147          const bottom = (await get(url, { start: onDiskSize - size32K, end: onDiskSize - 1, credentials: options?.credentials })).rawBody;148          const onDiskTop = await outputFile.readBlock(0, size32K - 1);149          const onDiskBottom = await outputFile.readBlock(onDiskSize - size32K, onDiskSize - 1);150          if (top.compare(onDiskTop) === 0 && bottom.compare(onDiskBottom) === 0) {151            session.channels.debug(`Acquire '${outputFilename}': first/last blocks are equal`);152            // the start and end of what we have does match what they have.153            // is this file the same size?154            if (contentLength === onDiskSize) {155              // same file size, front and back match, let's accept this. begrudgingly156              session.channels.debug(`Acquire '${outputFilename}': file size is identical. keeping this one`);157              return outputFile;158            }159            // looks like we can continue from here.160            session.channels.debug(`Acquire '${outputFilename}': ok to resume`);161            resumeAtOffset = onDiskSize;162          }163        }164      }165    }166  }167  if (resumeAtOffset === 0) {168    // clearly we mean to not resume. clean any existing file.169    session.channels.debug(`Acquire '${outputFilename}': not resuming file, full download`);170    await outputFile.delete();171  }172  url = url || await locations.availableLocation;173  strict.ok(!!url, `Requested file ${outputFilename} has no accessible locations ${uris.map(each => each.toString()).join(',')}`);174  session.channels.debug(`Acquire '${outputFilename}': initiating download`);175  const length = await locations.contentLength;176  const inputStream = getStream(url, { start: resumeAtOffset, end: length > 0 ? length : undefined, credentials: options?.credentials });177  let progressStream;178  if (length > 0) {179    progressStream = new ProgressTrackingStream(resumeAtOffset, length);180    progressStream.on('progress', (filePercentage) => ee.emit('download', outputFilename, filePercentage));181  }182  const outputStream = await outputFile.writeStream({ append: true });183  ee.emit('download', outputFilename, 0);184  // whoooosh. write out the file185  if (progressStream) {186    await pipeline(inputStream, progressStream, outputStream);187  } else {188    await pipeline(inputStream, outputStream);189  }190  // we've downloaded the file, let's see if it matches the hash we have.191  if (options?.algorithm) {192    session.channels.debug(`Acquire '${outputFilename}': checking downloaded file hash`);193    // does it match the hash that we have?194    if (!await outputFile.hashValid(options)) {195      await outputFile.delete();196      throw new Error(i`Downloaded file '${outputFile.fsPath}' did not have the correct hash (${options.algorithm}: ${options.value}) `);197    }198    session.channels.debug(`Acquire '${outputFilename}': downloaded file hash matches specified hash`);199  }200  session.channels.debug(`Acquire '${outputFilename}': downloading file successful`);201  ee.emit('download', outputFilename, 1000);202  ee.emit('complete');203  return outputFile;204}205export async function resolveNugetUrl(session: Session, pkg: string) {206  const [, name, version] = pkg.match(/^(.*)\/(.*)$/) ?? [];207  strict.ok(version, i`package reference '${pkg}' is not a valid nuget package reference ({name}/{version})`);208  // let's resolve the redirect first, since nuget servers don't like us getting HEAD data on the targets via a redirect.209  // even if this wasn't the case, this is lower cost now rather than later.210  const url = await resolveRedirect(session.parseUri(`https://www.nuget.org/api/v2/package/${name}/${version}`));211  session.channels.debug(`Resolving nuget package for '${pkg}' to '${url}'`);212  return url;213}214export async function nuget(session: Session, pkg: string, outputFilename: string, options?: AcquireOptions): Promise<Uri> {215  return https(session, [await resolveNugetUrl(session, pkg)], outputFilename, options);216}217/** @internal */218export async function git(session: Session, repo: Uri, progress: Progress, options?: AcquireOptions): Promise<void> {219  // clone the uri220  // save it to the cache...

index.js

Source:index.js

1const { createCanvas, loadImage } = require('canvas');2const fs = require('fs');3const [filePath] = process.argv.slice(2);4async function draw({ width, height, img, outputFileName }) {5  let canvas = new createCanvas(width, height); //ç«å¸6  let ctx = canvas.getContext('2d');7  ctx.drawImage(img, 0, 0, width, height); //ç¹ªç«ç¯å8  await fs.writeFileSync(`./dist/${outputFileName}`, canvas.toBuffer());9}10async function init() {11  const img = await loadImage(filePath);12  const imageConfigs = [13    {14      width: 192,15      height: 192,16      outputFileName: 'android-chrome-192x192.png',17    },18    {19      width: 512,20      height: 512,21      outputFileName: 'android-chrome-512x512.png',22    },23    {24      width: 192,25      height: 192,26      outputFileName: 'android-chrome-maskable-192x192.png',27    },28    {29      width: 512,30      height: 512,31      outputFileName: 'android-chrome-maskable-512x512.png',32    },33    {34      width: 60,35      height: 60,36      outputFileName: 'apple-touch-icon-60x60.png',37    },38    {39      width: 76,40      height: 76,41      outputFileName: 'apple-touch-icon-76x76.png',42    },43    {44      width: 120,45      height: 120,46      outputFileName: 'apple-touch-icon-120x120.png',47    },48    {49      width: 152,50      height: 152,51      outputFileName: 'apple-touch-icon-152x152.png',52    },53    {54      width: 180,55      height: 180,56      outputFileName: 'apple-touch-icon-180x180.png',57    },58    {59      width: 180,60      height: 180,61      outputFileName: 'apple-touch-icon.png',62    },63    {64      width: 16,65      height: 16,66      outputFileName: 'favicon-16x16.png',67    },68    {69      width: 32,70      height: 32,71      outputFileName: 'favicon-32x32.png',72    },73    {74      width: 144,75      height: 144,76      outputFileName: 'msapplication-icon-144x144.png',77    },78    {79      width: 270,80      height: 270,81      outputFileName: 'mstile-150x150.png',82    },83  ];84  for (let { width, height, outputFileName } of imageConfigs) {85    await draw({ width, height, img, outputFileName });86  }87}...

Using AI Code Generation

1var outputFileName = require('stryker-parent').outputFileName;2console.log(outputFileName('test.js'));3var outputFileName = require('stryker-parent').outputFileName;4console.log(outputFileName('test.js'));5var outputFileName = require('stryker-parent').outputFileName;6console.log(outputFileName('test.js'));7var outputFileName = require('stryker-parent').outputFileName;8console.log(outputFileName('test.js'));9var outputFileName = require('stryker-parent').outputFileName;10console.log(outputFileName('test.js'));11var outputFileName = require('stryker-parent').outputFileName;12console.log(outputFileName('test.js'));13var outputFileName = require('stryker-parent').outputFileName;14console.log(outputFileName('test.js'));15var outputFileName = require('stryker-parent').outputFileName;16console.log(outputFileName('test.js'));17var outputFileName = require('stryker-parent').outputFileName;18console.log(outputFileName('test.js'));19var outputFileName = require('stryker-parent').outputFileName;20console.log(outputFileName('test.js'));21var outputFileName = require('stryker-parent').outputFileName;22console.log(outputFileName('test.js'));

Using AI Code Generation

1var outputFileName = require('stryker-parent').outputFileName;2var outputFile = outputFileName('test.js');3var outputFileName = require('stryker').outputFileName;4var outputFile = outputFileName('test.js');5var outputFileName = require('stryker-parent').outputFileName;6var outputFile = outputFileName('test.js');7var outputFileName = require('stryker').outputFileName;8var outputFile = outputFileName('test.js');9var outputFileName = require('stryker-parent').outputFileName;10var outputFile = outputFileName('test.js');11var outputFileName = require('stryker').outputFileName;12var outputFile = outputFileName('test.js');13var outputFileName = require('stryker-parent').outputFileName;14var outputFile = outputFileName('test.js');15var outputFileName = require('stryker').outputFileName;16var outputFile = outputFileName('test.js');17var outputFileName = require('stryker-parent').outputFileName;18var outputFile = outputFileName('test.js');19var outputFileName = require('stryker').outputFileName;20var outputFile = outputFileName('test.js');

Using AI Code Generation

1var outputFileName = require('stryker-parent').outputFileName;2var fileName = outputFileName('foo.js');3console.log(fileName);4var outputFileName = require('stryker-parent').outputFileName;5var fileName = outputFileName('foo.js');6console.log(fileName);7outputFileName ( fileName : string ) : string8class StrykerTempFolder { constructor ( baseDir : string ) ; create () : string ; clean () : void ; }

Using AI Code Generation

1console.log(outputFileName('test.js'));2console.log(outputFileName('test.js', 'test'));3console.log(outputFileName('test.js', 'test', 'test'));4console.log(outputFileName('test.js', 'test', 'test', 'test'));5console.log(outputFileName('test.js', 'test', 'test', 'test', 'test'));6console.log(outputFileName('test.js', 'test', 'test', 'test', 'test', 'test'));7console.log(outputFileName('test.js', 'test', 'test', 'test', 'test', 'test', 'test'));8console.log(outputFileName('test.js', 'test', 'test', 'test', 'test', 'test', 'test', 'test'));9console.log(outputFileName('test.js', 'test', 'test', 'test', 'test', 'test', 'test', 'test', 'test'));10console.log(outputFileName('test.js', 'test', 'test', 'test', 'test', 'test', 'test', 'test', 'test', 'test'));

Using AI Code Generation

1const outputFileName = require('stryker-parent').outputFileName;2console.log(outputFileName('test.js'));3const outputFileName = require('stryker-parent').outputFileName;4console.log(outputFileName('test.js'));5const outputFileName = require('stryker-parent').outputFileName;6console.log(outputFileName('test.js'));7const outputFileName = require('stryker-parent').outputFileName;8console.log(outputFileName('test.js'));9const outputFileName = require('stryker-parent').outputFileName;10console.log(outputFileName('test.js'));11const outputFileName = require('stryker-parent').outputFileName;12console.log(outputFileName('test.js'));13const outputFileName = require('stryker-parent').outputFileName;14console.log(outputFileName('test.js'));15const outputFileName = require('stryker-parent').outputFileName;16console.log(outputFileName('test.js'));17const outputFileName = require('stryker-parent').outputFileName;18console.log(outputFileName('test.js'));19const outputFileName = require('stryker-parent').outputFileName;20console.log(outputFileName('test.js'));

Using AI Code Generation

1var stryker = require('stryker-parent');2var outputFileName = stryker.outputFileName;3var outputFile = outputFileName('test.js');4var stryker = require('stryker-parent');5var outputFileName = stryker.outputFileName;6var outputFile = outputFileName('test2.js');7var stryker = require('stryker-parent');8var outputFileName = stryker.outputFileName;9var outputFile = outputFileName('test3.js');10var stryker = require('stryker-parent');11var outputFileName = stryker.outputFileName;12var outputFile = outputFileName('test4.js');13var stryker = require('stryker-parent');14var outputFileName = stryker.outputFileName;15var outputFile = outputFileName('test5.js');16var stryker = require('stryker-parent');17var outputFileName = stryker.outputFileName;18var outputFile = outputFileName('test6.js');19var stryker = require('stryker-parent');20var outputFileName = stryker.outputFileName;21var outputFile = outputFileName('test7.js');22var stryker = require('stryker-parent');23var outputFileName = stryker.outputFileName;24var outputFile = outputFileName('test8.js');

Using AI Code Generation

1const outputFileName = require('stryker-parent').outputFileName;2const path = require('path');3console.log(outputFileName('stryker.conf.js', path.resolve(__dirname, 'stryker.conf.js')));4console.log(outputFileName('stryker.conf.js', path.resolve(__dirname, 'src', 'stryker.conf.js')));5console.log(outputFileName('stryker.conf.js', path.resolve(__dirname, 'src', 'test', 'stryker.conf.js')));6console.log(outputFileName('stryker.conf.js', path.resolve(__dirname, 'src', 'test', 'stryker.conf.js'), 'src'));7console.log(outputFileName('stryker.conf.js', path.resolve(__dirname, 'src', 'test', 'stryker.conf.js'), 'src', 'test'));8console.log(outputFileName('stryker.conf.js', path.resolve(__dirname, 'src', 'test', 'stryker.conf.js'), 'src', 'test', 'test'));9console.log(outputFileName('stryker.conf.js', path.resolve(__dirname, 'src', 'test', 'stryker.conf.js'), 'src', 'test', 'test', 'test'));10console.log(outputFileName('stryker.conf.js', path.resolve(__dirname, 'src', 'test', 'stryker.conf.js'), 'src', 'test', 'test', 'test', 'test'));11console.log(outputFileName('stryker.conf.js', path.resolve(__dirname, 'src', 'test', 'stryker.conf.js'), 'src', 'test', 'test', 'test', 'test', 'test'));12console.log(outputFileName('stryker.conf.js', path.resolve(__dirname, 'src', 'test', 'stryker.conf.js'), 'src', 'test', 'test', 'test', 'test', 'test', 'test'));13console.log(outputFileName('stryker.conf.js', path.resolve(__dirname, 'src', 'test', 'stryker.conf.js'), 'src', 'test', 'test', 'test', 'test', 'test', 'test', 'test

Using AI Code Generation

1var outputFileName = require('stryker-parent').outputFileName;2var path = require('path');3var output = outputFileName('test.js');4console.log(output);5var outputFileName = require('stryker').outputFileName;6var path = require('path');7var output = outputFileName('test.js');8console.log(output);9var outputFileName = require('stryker').outputFileName;10var path = require('path');11var output = outputFileName('test.js');12console.log(output);13var outputFileName = require('stryker').outputFileName;14var path = require('path');15var output = outputFileName('test.js');16console.log(output);17var outputFileName = require('stryker').outputFileName;18var path = require('path');19var output = outputFileName('test.js');20console.log(output);21var outputFileName = require('stryker').outputFileName;22var path = require('path');23var output = outputFileName('test.js');24console.log(output);25var outputFileName = require('stryker').outputFileName;26var path = require('path');27var output = outputFileName('test.js');28console.log(output);29var outputFileName = require('stryker').outputFileName;30var path = require('path');31var output = outputFileName('test.js');32console.log(output);33var outputFileName = require('stryker').outputFileName;34var path = require('path');35var output = outputFileName('test.js');36console.log(output);

Using AI Code Generation

1var strykerParent = require('stryker-parent');2console.log(strykerParent.outputFileName('stryker', 'report.txt'));3var path = require('path');4var outputFileName = function (prefix, fileName) {5    return path.join(prefix + '-' + fileName);6};7module.exports = {8};9{10}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.