How to use sudoku._search method in Cypress

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generator.js

Source:generator.js

...194        }195        // Default reverse to false196        reverse = reverse || false;197        var candidates = sudoku._get_candidates_map(board);198        var result = sudoku._search(candidates, reverse);199        200        if(result){201            var solution = "";202            for(var square in result){203                solution += result[square];204            }205            return solution;206        }207        return false;208    };209    sudoku.get_candidates = function(board){210        /* Return all possible candidatees for each square as a grid of 211        candidates, returnning `false` if a contradiction is encountered.212        213        Really just a wrapper for sudoku._get_candidates_map for programmer214        consumption.215        */216        217        // Assure a valid board218        var report = sudoku.validate_board(board);219        if(report !== true){220            throw report;221        }222        223        // Get a candidates map224        var candidates_map = sudoku._get_candidates_map(board);225        226        // If there's an error, return false227        if(!candidates_map){228            return false;229        }230        231        // Transform candidates map into grid232        var rows = [];233        var cur_row = [];234        var i = 0;235        for(var square in candidates_map){236            var candidates = candidates_map[square];237            cur_row.push(candidates);238            if(i % 9 == 8){239                rows.push(cur_row);240                cur_row = [];241            }242            ++i;243        }244        return rows;245    }246    sudoku._get_candidates_map = function(board){247        /* Get all possible candidates for each square as a map in the form248        {square: sudoku.DIGITS} using recursive constraint propagation. Return `false` 249        if a contradiction is encountered250        */251        252        // Assure a valid board253        var report = sudoku.validate_board(board);254        if(report !== true){255            throw report;256        }257        258        var candidate_map = {};259        var squares_values_map = sudoku._get_square_vals_map(board);260        261        // Start by assigning every digit as a candidate to every square262        for(var si in SQUARES){263            candidate_map[SQUARES[si]] = sudoku.DIGITS;264        }265        266        // For each non-blank square, assign its value in the candidate map and267        // propigate.268        for(var square in squares_values_map){269            var val = squares_values_map[square];270            271            if(sudoku._in(val, sudoku.DIGITS)){272                var new_candidates = sudoku._assign(candidate_map, square, val);273                274                // Fail if we can't assign val to square275                if(!new_candidates){276                    return false;277                }278            }279        }280        281        return candidate_map;282    };283    sudoku._search = function(candidates, reverse){284        /* Given a map of squares -> candiates, using depth-first search, 285        recursively try all possible values until a solution is found, or false286        if no solution exists. 287        */288        289        // Return if error in previous iteration290        if(!candidates){291            return false;292        }293        294        // Default reverse to false295        reverse = reverse || false;296        297        // If only one candidate for every square, we've a solved puzzle!298        // Return the candidates map.299        var max_nr_candidates = 0;300        var max_candidates_square = null;301        for(var si in SQUARES){302            var square = SQUARES[si];303            304            var nr_candidates = candidates[square].length;305                306            if(nr_candidates > max_nr_candidates){307                max_nr_candidates = nr_candidates;308                max_candidates_square = square;309            }310        }311        if(max_nr_candidates === 1){312            return candidates;313        }314        315        // Choose the blank square with the fewest possibilities > 1316        var min_nr_candidates = 10;317        var min_candidates_square = null;318        for(si in SQUARES){319            var square = SQUARES[si];320            321            var nr_candidates = candidates[square].length;322            323            if(nr_candidates < min_nr_candidates && nr_candidates > 1){324                min_nr_candidates = nr_candidates;325                min_candidates_square = square;326            }327        }328        329        // Recursively search through each of the candidates of the square 330        // starting with the one with fewest candidates.331        332        // Rotate through the candidates forwards333        var min_candidates = candidates[min_candidates_square];334        if(!reverse){335            for(var vi in min_candidates){336                var val = min_candidates[vi];337                338                // TODO: Implement a non-rediculous deep copy function339                var candidates_copy = JSON.parse(JSON.stringify(candidates));340                var candidates_next = sudoku._search(341                    sudoku._assign(candidates_copy, min_candidates_square, val)342                );343                344                if(candidates_next){345                    return candidates_next;346                }347            }348            349        // Rotate through the candidates backwards350        } else {351            for(var vi = min_candidates.length - 1; vi >= 0; --vi){352                var val = min_candidates[vi];353                354                // TODO: Implement a non-rediculous deep copy function355                var candidates_copy = JSON.parse(JSON.stringify(candidates));356                var candidates_next = sudoku._search(357                    sudoku._assign(candidates_copy, min_candidates_square, val), 358                    reverse359                );360                361                if(candidates_next){362                    return candidates_next;363                }364            }365        }366        367        // If we get through all combinations of the square with the fewest368        // candidates without finding an answer, there isn't one. Return false.369        return false;370    };...

ds.js

Source:ds.js

...202        // Default reverse to false203        reverse = reverse || false;204205        var candidates = sudoku._get_candidates_map(board);206        var result = sudoku._search(candidates, reverse);207208        if(result){209            var solution = "";210            for(var square in result){211                solution += result[square];212            }213            return solution;214        }215        return false;216    };217218    sudoku.get_candidates = function(board){219        /* Return all possible candidatees for each square as a grid of220        candidates, returnning `false` if a contradiction is encountered.221222        Really just a wrapper for sudoku._get_candidates_map for programmer223        consumption.224        */225226        // Assure a valid board227        var report = sudoku.validate_board(board);228        if(report !== true){229            throw report;230        }231232        // Get a candidates map233        var candidates_map = sudoku._get_candidates_map(board);234235        // If there's an error, return false236        if(!candidates_map){237            return false;238        }239240        // Transform candidates map into grid241        var rows = [];242        var cur_row = [];243        var i = 0;244        for(var square in candidates_map){245            var candidates = candidates_map[square];246            cur_row.push(candidates);247            if(i % 9 == 8){248                rows.push(cur_row);249                cur_row = [];250            }251            ++i;252        }253        return rows;254    }255256    sudoku._get_candidates_map = function(board){257        /* Get all possible candidates for each square as a map in the form258        {square: sudoku.DIGITS} using recursive constraint propagation. Return `false`259        if a contradiction is encountered260        */261262        // Assure a valid board263        var report = sudoku.validate_board(board);264        if(report !== true){265            throw report;266        }267268        var candidate_map = {};269        var squares_values_map = sudoku._get_square_vals_map(board);270271        // Start by assigning every digit as a candidate to every square272        for(var si in SQUARES){273            candidate_map[SQUARES[si]] = sudoku.DIGITS;274        }275276        // For each non-blank square, assign its value in the candidate map and277        // propigate.278        for(var square in squares_values_map){279            var val = squares_values_map[square];280281            if(sudoku._in(val, sudoku.DIGITS)){282                var new_candidates = sudoku._assign(candidate_map, square, val);283284                // Fail if we can't assign val to square285                if(!new_candidates){286                    return false;287                }288            }289        }290291        return candidate_map;292    };293294    sudoku._search = function(candidates, reverse){295        /* Given a map of squares -> candiates, using depth-first search,296        recursively try all possible values until a solution is found, or false297        if no solution exists.298        */299300        // Return if error in previous iteration301        if(!candidates){302            return false;303        }304305        // Default reverse to false306        reverse = reverse || false;307308        // If only one candidate for every square, we've a solved puzzle!309        // Return the candidates map.310        var max_nr_candidates = 0;311        var max_candidates_square = null;312        for(var si in SQUARES){313            var square = SQUARES[si];314315            var nr_candidates = candidates[square].length;316317            if(nr_candidates > max_nr_candidates){318                max_nr_candidates = nr_candidates;319                max_candidates_square = square;320            }321        }322        if(max_nr_candidates === 1){323            return candidates;324        }325326        // Choose the blank square with the fewest possibilities > 1327        var min_nr_candidates = 10;328        var min_candidates_square = null;329        for(si in SQUARES){330            var square = SQUARES[si];331332            var nr_candidates = candidates[square].length;333334            if(nr_candidates < min_nr_candidates && nr_candidates > 1){335                min_nr_candidates = nr_candidates;336                min_candidates_square = square;337            }338        }339340        // Recursively search through each of the candidates of the square341        // starting with the one with fewest candidates.342343        // Rotate through the candidates forwards344        var min_candidates = candidates[min_candidates_square];345        if(!reverse){346            for(var vi in min_candidates){347                var val = min_candidates[vi];348349                // TODO: Implement a non-rediculous deep copy function350                var candidates_copy = JSON.parse(JSON.stringify(candidates));351                var candidates_next = sudoku._search(352                    sudoku._assign(candidates_copy, min_candidates_square, val)353                );354355                if(candidates_next){356                    return candidates_next;357                }358            }359360        // Rotate through the candidates backwards361        } else {362            for(var vi = min_candidates.length - 1; vi >= 0; --vi){363                var val = min_candidates[vi];364365                // TODO: Implement a non-rediculous deep copy function366                var candidates_copy = JSON.parse(JSON.stringify(candidates));367                var candidates_next = sudoku._search(368                    sudoku._assign(candidates_copy, min_candidates_square, val),369                    reverse370                );371372                if(candidates_next){373                    return candidates_next;374                }375            }376        }377378        // If we get through all combinations of the square with the fewest379        // candidates without finding an answer, there isn't one. Return false.380        return false;381    };
...

sudoku.js

Source:sudoku.js

...166        }167        // Default reverse to false168        reverse = reverse || false;169        var candidates = sudoku._get_candidates_map(board);170        var result = sudoku._search(candidates, reverse);171        if(result){172            var solution = "";173            for(var square in result){174                solution += result[square];175            }176            return solution;177        }178        return false;179    };180    sudoku.get_candidates = function(board){181        /* Return all possible candidatees for each square as a grid of182        candidates, returnning `false` if a contradiction is encountered.183        Really just a wrapper for sudoku._get_candidates_map for programmer184        consumption.185        */186        // Assure a valid board187        var report = sudoku.validate_board(board);188        if(report !== true){189            throw report;190        }191        // Get a candidates map192        var candidates_map = sudoku._get_candidates_map(board);193        // If there's an error, return false194        if(!candidates_map){195            return false;196        }197        // Transform candidates map into grid198        var rows = [];199        var cur_row = [];200        var i = 0;201        for(var square in candidates_map){202            var candidates = candidates_map[square];203            cur_row.push(candidates);204            if(i % 9 === 8){205                rows.push(cur_row);206                cur_row = [];207            }208            ++i;209        }210        return rows;211    }212    sudoku._get_candidates_map = function(board){213        /* Get all possible candidates for each square as a map in the form214        {square: sudoku.DIGITS} using recursive constraint propagation. Return `false`215        if a contradiction is encountered216        */217        // Assure a valid board218        var report = sudoku.validate_board(board);219        if(report !== true){220            throw report;221        }222        var candidate_map = {};223        var squares_values_map = sudoku._get_square_vals_map(board);224        // Start by assigning every digit as a candidate to every square225        for(var si in SQUARES){226            candidate_map[SQUARES[si]] = sudoku.DIGITS;227        }228        // For each non-blank square, assign its value in the candidate map and229        // propigate.230        for(var square in squares_values_map){231            var val = squares_values_map[square];232            if(sudoku._in(val, sudoku.DIGITS)){233                var new_candidates = sudoku._assign(candidate_map, square, val);234                // Fail if we can't assign val to square235                if(!new_candidates){236                    return false;237                }238            }239        }240        return candidate_map;241    };242    sudoku._search = function(candidates, reverse){243        /* Given a map of squares -> candiates, using depth-first search,244        recursively try all possible values until a solution is found, or false245        if no solution exists.246        */247        // Return if error in previous iteration248        if(!candidates){249            return false;250        }251        // Default reverse to false252        reverse = reverse || false;253        // If only one candidate for every square, we've a solved puzzle!254        // Return the candidates map.255        var max_nr_candidates = 0;256        // eslint-disable-next-line257        var max_candidates_square = null;258        for(var si in SQUARES){259            var square = SQUARES[si];260            var nr_candidates = candidates[square].length;261            if(nr_candidates > max_nr_candidates){262                max_nr_candidates = nr_candidates;263                // eslint-disable-next-line no-unused-vars264                max_candidates_square = square;265            }266        }267        if(max_nr_candidates === 1){268            return candidates;269        }270        // Choose the blank square with the fewest possibilities > 1271        var min_nr_candidates = 10;272        var min_candidates_square = null;273        for(si in SQUARES){274            square = SQUARES[si];275            nr_candidates = candidates[square].length;276            if(nr_candidates < min_nr_candidates && nr_candidates > 1){277                min_nr_candidates = nr_candidates;278                min_candidates_square = square;279            }280        }281        // Recursively search through each of the candidates of the square282        // starting with the one with fewest candidates.283        // Rotate through the candidates forwards284        var min_candidates = candidates[min_candidates_square];285        if(!reverse){286            for(var vi in min_candidates){287                var val = min_candidates[vi];288                // TODO: Implement a non-rediculous deep copy function289                var candidates_copy = JSON.parse(JSON.stringify(candidates));290                var candidates_next = sudoku._search(291                    sudoku._assign(candidates_copy, min_candidates_square, val)292                );293                if(candidates_next){294                    return candidates_next;295                }296            }297        // Rotate through the candidates backwards298        } else {299            for(vi = min_candidates.length - 1; vi >= 0; --vi){300                val = min_candidates[vi];301                // TODO: Implement a non-rediculous deep copy function302                candidates_copy = JSON.parse(JSON.stringify(candidates));303                candidates_next = sudoku._search(304                    sudoku._assign(candidates_copy, min_candidates_square, val),305                    reverse306                );307                if(candidates_next){308                    return candidates_next;309                }310            }311        }312        // If we get through all combinations of the square with the fewest313        // candidates without finding an answer, there isn't one. Return false.314        return false;315    };316    sudoku._assign = function(candidates, square, val){317        /* Eliminate all values, *except* for `val`, from `candidates` at...

Sudoku-lib.js

Source:Sudoku-lib.js

...183    }184    // Default reverse to false185    reverse = reverse || false;186    var candidates = sudoku._get_candidates_map(board);187    var result = sudoku._search(candidates, reverse);188    if (result) {189      var solution = "";190      for (var square in result) {191        solution += result[square];192      }193      return solution;194    }195    return false;196  };197  sudoku.dlx_solve = function (board) {198    var tmp = solveString(board);199    if (tmp.length !== 0) {200      var result = tmp[0];201      var solGrid = [];202      for (var i = 0; i < 9; i++) {203        solGrid.push(["", "", "", "", "", "", "", "", ""]);204      }205      for (var r = 0; r < 81; ++r) {206        solGrid[result[r].row][result[r].col] = result[r].number;207      }208      return solGrid;209    }210  };211  sudoku.dlx_solve_str = function (board) {212    var result = sudoku.dlx_solve(board);213    if (result !== undefined) {214      return sudoku.board_grid_to_string(result);215    }216  };217  sudoku.check_uniqueness = function (board) {};218  sudoku.get_candidates = function (board) {219    /* Return all possible candidatees for each square as a grid of 220        candidates, returnning `false` if a contradiction is encountered.221        222        Really just a wrapper for sudoku._get_candidates_map for programmer223        consumption.224        */225    // Assure a valid board226    var report = sudoku.validate_board(board);227    if (report !== true) {228      throw report;229    }230    // Get a candidates map231    var candidates_map = sudoku._get_candidates_map(board);232    // If there's an error, return false233    if (!candidates_map) {234      return false;235    }236    // Transform candidates map into grid237    var rows = [];238    var cur_row = [];239    var i = 0;240    for (var square in candidates_map) {241      var candidates = candidates_map[square];242      cur_row.push(candidates);243      if (i % 9 === 8) {244        rows.push(cur_row);245        cur_row = [];246      }247      ++i;248    }249    return rows;250  };251  sudoku._get_candidates_map = function (board) {252    /* Get all possible candidates for each square as a map in the form253        {square: sudoku.DIGITS} using recursive constraint propagation. Return `false` 254        if a contradiction is encountered255        */256    // Assure a valid board257    var report = sudoku.validate_board(board);258    if (report !== true) {259      throw report;260    }261    var candidate_map = {};262    var squares_values_map = sudoku._get_square_vals_map(board);263    // Start by assigning every digit as a candidate to every square264    for (var si in SQUARES) {265      candidate_map[SQUARES[si]] = sudoku.DIGITS;266    }267    // For each non-blank square, assign its value in the candidate map and268    // propigate.269    for (var square in squares_values_map) {270      var val = squares_values_map[square];271      if (sudoku._in(val, sudoku.DIGITS)) {272        var new_candidates = sudoku._assign(candidate_map, square, val);273        // Fail if we can't assign val to square274        if (!new_candidates) {275          return false;276        }277      }278    }279    return candidate_map;280  };281  sudoku._search = function (candidates, reverse) {282    /* Given a map of squares -> candiates, using depth-first search, 283        recursively try all possible values until a solution is found, or false284        if no solution exists. 285        */286    // Return if error in previous iteration287    if (!candidates) {288      return false;289    }290    // Default reverse to false291    reverse = reverse || false;292    // If only one candidate for every square, we've a solved puzzle!293    // Return the candidates map.294    var max_nr_candidates = 0;295    var max_candidates_square = null;296    for (var si in SQUARES) {297      var square = SQUARES[si];298      var nr_candidates = candidates[square].length;299      if (nr_candidates > max_nr_candidates) {300        max_nr_candidates = nr_candidates;301        max_candidates_square = square;302      }303    }304    if (max_nr_candidates === 1) {305      return candidates;306    }307    // Choose the blank square with the fewest possibilities > 1308    var min_nr_candidates = 10;309    var min_candidates_square = null;310    for (si in SQUARES) {311      var square = SQUARES[si];312      var nr_candidates = candidates[square].length;313      if (nr_candidates < min_nr_candidates && nr_candidates > 1) {314        min_nr_candidates = nr_candidates;315        min_candidates_square = square;316      }317    }318    // Recursively search through each of the candidates of the square319    // starting with the one with fewest candidates.320    // Rotate through the candidates forwards321    var min_candidates = candidates[min_candidates_square];322    if (!reverse) {323      for (var vi in min_candidates) {324        var val = min_candidates[vi];325        // TODO: Implement a non-rediculous deep copy function326        var candidates_copy = JSON.parse(JSON.stringify(candidates));327        var candidates_next = sudoku._search(328          sudoku._assign(candidates_copy, min_candidates_square, val)329        );330        if (candidates_next) {331          return candidates_next;332        }333      }334      // Rotate through the candidates backwards335    } else {336      for (var vi = min_candidates.length - 1; vi >= 0; --vi) {337        var val = min_candidates[vi];338        // TODO: Implement a non-rediculous deep copy function339        var candidates_copy = JSON.parse(JSON.stringify(candidates));340        var candidates_next = sudoku._search(341          sudoku._assign(candidates_copy, min_candidates_square, val),342          reverse343        );344        if (candidates_next) {345          return candidates_next;346        }347      }348    }349    // If we get through all combinations of the square with the fewest350    // candidates without finding an answer, there isn't one. Return false.351    return false;352  };353  sudoku._assign = function (candidates, square, val) {354    /* Eliminate all values, *except* for `val`, from `candidates` at ...

sudoku.core.js

Source:sudoku.core.js

...163    }164    // Default reverse to false165    reverse = reverse || false;166    var candidates = sudoku._get_candidates_map(board);167    var result = sudoku._search(candidates, reverse);168    if (result) {169        var solution = '';170        for (var square in result) {171            solution += result[square];172        }173        return solution;174    }175    return false;176};177sudoku.get_candidates = function (board) {178    /* Return all possible candidatees for each square as a grid of179    candidates, returnning `false` if a contradiction is encountered.180    Really just a wrapper for sudoku._get_candidates_map for programmer181    consumption.182    */183    // Assure a valid board184    var report = sudoku.validate_board(board);185    if (report !== true) {186        throw report;187    }188    // Get a candidates map189    var candidates_map = sudoku._get_candidates_map(board);190    // If there's an error, return false191    if (!candidates_map) {192        return false;193    }194    // Transform candidates map into grid195    var rows = [];196    var cur_row = [];197    var i = 0;198    for (var square in candidates_map) {199        var candidates = candidates_map[square];200        cur_row.push(candidates);201        if (i % 9 == 8) {202            rows.push(cur_row);203            cur_row = [];204        }205        ++i;206    }207    return rows;208};209sudoku._get_candidates_map = function (board) {210    /* Get all possible candidates for each square as a map in the form211    {square: sudoku.DIGITS} using recursive constraint propagation. Return `false`212    if a contradiction is encountered213    */214    // Assure a valid board215    var report = sudoku.validate_board(board);216    if (report !== true) {217        throw report;218    }219    var candidate_map = {};220    var squares_values_map = sudoku._get_square_vals_map(board);221    // Start by assigning every digit as a candidate to every square222    for (var si in SQUARES) {223        candidate_map[SQUARES[si]] = sudoku.DIGITS;224    }225    // For each non-blank square, assign its value in the candidate map and226    // propigate.227    for (var square in squares_values_map) {228        var val = squares_values_map[square];229        if (sudoku._in(val, sudoku.DIGITS)) {230            var new_candidates = sudoku._assign(candidate_map, square, val);231            // Fail if we can't assign val to square232            if (!new_candidates) {233                return false;234            }235        }236    }237    return candidate_map;238};239sudoku._search = function (candidates, reverse) {240    /* Given a map of squares -> candiates, using depth-first search,241    recursively try all possible values until a solution is found, or false242    if no solution exists.243    */244    // Return if error in previous iteration245    if (!candidates) {246        return false;247    }248    // Default reverse to false249    reverse = reverse || false;250    // If only one candidate for every square, we've a solved puzzle!251    // Return the candidates map.252    var max_nr_candidates = 0;253    for (var si in SQUARES) {254        var square = SQUARES[si];255        var nr_candidates = candidates[square].length;256        if (nr_candidates > max_nr_candidates) {257            max_nr_candidates = nr_candidates;258        }259    }260    if (max_nr_candidates === 1) {261        return candidates;262    }263    // Choose the blank square with the fewest possibilities > 1264    var min_nr_candidates = 10;265    var min_candidates_square = null;266    for (si in SQUARES) {267        var square = SQUARES[si];268        var nr_candidates = candidates[square].length;269        if (nr_candidates < min_nr_candidates && nr_candidates > 1) {270            min_nr_candidates = nr_candidates;271            min_candidates_square = square;272        }273    }274    // Recursively search through each of the candidates of the square275    // starting with the one with fewest candidates.276    // Rotate through the candidates forwards277    var min_candidates = candidates[min_candidates_square];278    if (!reverse) {279        for (var vi in min_candidates) {280            var val = min_candidates[vi];281            // TODO: Implement a non-rediculous deep copy function282            var candidates_copy = JSON.parse(JSON.stringify(candidates));283            var candidates_next = sudoku._search(284                sudoku._assign(candidates_copy, min_candidates_square, val)285            );286            if (candidates_next) {287                return candidates_next;288            }289        }290        // Rotate through the candidates backwards291    } else {292        for (var vi = min_candidates.length - 1; vi >= 0; --vi) {293            var val = min_candidates[vi];294            // TODO: Implement a non-rediculous deep copy function295            var candidates_copy = JSON.parse(JSON.stringify(candidates));296            var candidates_next = sudoku._search(297                sudoku._assign(candidates_copy, min_candidates_square, val),298                reverse299            );300            if (candidates_next) {301                return candidates_next;302            }303        }304    }305    // If we get through all combinations of the square with the fewest306    // candidates without finding an answer, there isn't one. Return false.307    return false;308};309sudoku._assign = function (candidates, square, val) {310    /* Eliminate all values, *except* for `val`, from `candidates` at...

main.js

Source:main.js

...91//     throw "Too few givens. Minimum givens is " + MIN_GIVENS;92//   }93//   reverse = reverse || false;94//   var candidates = sudoku._get_candidates_map(board);95//   var result = sudoku._search(candidates, reverse);96//   if (result) {97//     var solution = "";98//     for (var square in result) {99//       solution += result[square];100//     }101//     return solution;102//   }103//   return false;104// };105// sudoku.get_candidates = function (board) {106//   var report = sudoku.validate_board(board);107//   if (report !== true) {108//     throw report;109//   }110//   var candidates_map = sudoku._get_candidates_map(board);111//   if (!candidates_map) {112//     return false;113//   }114//   var rows = [];115//   var cur_row = [];116//   var i = 0;117//   for (var square in candidates_map) {118//     var candidates = candidates_map[square];119//     cur_row.push(candidates);120//     if (i % 9 == 8) {121//       rows.push(cur_row);122//       cur_row = [];123//     }124//     ++i;125//   }126//   return rows;127// };128// sudoku._get_candidates_map = function (board) {129//   var report = sudoku.validate_board(board);130//   if (report !== true) {131//     throw report;132//   }133//   var candidate_map = {};134//   var squares_values_map = sudoku._get_square_vals_map(board);135//   for (var si in SQUARES) {136//     candidate_map[SQUARES[si]] = sudoku.DIGITS;137//   }138//   for (var square in squares_values_map) {139//     var val = squares_values_map[square];140//     if (sudoku._in(val, sudoku.DIGITS)) {141//       var new_candidates = sudoku._assign(candidate_map, square, val);142//       if (!new_candidates) {143//         return false;144//       }145//     }146//   }147//   return candidate_map;148// };149// sudoku._search = function (candidates, reverse) {150//   if (!candidates) {151//     return false;152//   }153//   reverse = reverse || false;154//   var max_nr_candidates = 0;155//   var max_candidates_square = null;156//   for (var si in SQUARES) {157//     var square = SQUARES[si];158//     var nr_candidates = candidates[square].length;159//     if (nr_candidates > max_nr_candidates) {160//       max_nr_candidates = nr_candidates;161//       max_candidates_square = square;162//     }163//   }164//   if (max_nr_candidates === 1) {165//     return candidates;166//   }167//   var min_nr_candidates = 10;168//   var min_candidates_square = null;169//   for (si in SQUARES) {170//     var square = SQUARES[si];171//     var nr_candidates = candidates[square].length;172//     if (nr_candidates < min_nr_candidates && nr_candidates > 1) {173//       min_nr_candidates = nr_candidates;174//       min_candidates_square = square;175//     }176//   }177//   var min_candidates = candidates[min_candidates_square];178//   if (!reverse) {179//     for (var vi in min_candidates) {180//       var val = min_candidates[vi];181//       var candidates_copy = JSON.parse(JSON.stringify(candidates));182//       var candidates_next = sudoku._search(183//         sudoku._assign(candidates_copy, min_candidates_square, val)184//       );185//       if (candidates_next) {186//         return candidates_next;187//       }188//     }189//   } else {190//     for (var vi = min_candidates.length - 1; vi >= 0; --vi) {191//       var val = min_candidates[vi];192//       var candidates_copy = JSON.parse(JSON.stringify(candidates));193//       var candidates_next = sudoku._search(194//         sudoku._assign(candidates_copy, min_candidates_square, val),195//         reverse196//       );197//       if (candidates_next) {198//         return candidates_next;199//       }200//     }201//   }202//   return false;203// };204// sudoku._assign = function (candidates, square, val) {205//   var other_vals = candidates[square].replace(val, "");206//   for (var ovi in other_vals) {207//     var other_val = other_vals[ovi];...

sudoku_generator_01.js

Source:sudoku_generator_01.js

...127		}128		if(nr_givens < sudoku.MIN_GIVENS) throw 'Too few givens. Minimum givens is' + sudoku.MIN_GIVENS;129		reverse = reverse || false;130		var candidates = sudoku._get_candidates_map(board);131		var result = sudoku._search(candidates, reverse);132		if(result) {133			var solution = '';134			for(var square in result) solution += result[square];135			return solution;136		}137		return false;138	};139	sudoku._get_candidates_map = function(board){140		var report = sudoku.validate_board(board);141		if(report !== true) throw report;142		var candidate_map = {};143		var squares_values_map = sudoku._get_square_vals_map(board);144		for(var si in sudoku.SQUARES) candidate_map[sudoku.SQUARES[si]] = sudoku.DIGITS;145		for(var square in squares_values_map){146			var val = squares_values_map[square];147			if(sudoku.DIGITS.includes(val)) {148				var new_candidates = sudoku._assign(candidate_map, square, val);149				if(!new_candidates) return false;150			}151		}152		return candidate_map;153	};154	sudoku._search = function(candidates, reverse){155		if(!candidates) return false;156		reverse = reverse || false;157		var max_nr_candidates = 0;158		var max_candidates_square = null;159		for(var si in sudoku.SQUARES) {160			var square = sudoku.SQUARES[si];161			var nr_candidates = candidates[square].length;162			if(nr_candidates > max_nr_candidates) {163				max_nr_candidates = nr_candidates;164				max_candidates_square = square;165			}166		}167		if(max_nr_candidates === 1) return candidates;168		var min_nr_candidates = 10;169		var min_candidates_square = null;170		for(si in sudoku.SQUARES) {171			var square = sudoku.SQUARES[si];172			var nr_candidates = candidates[square].length;173			if(nr_candidates < min_nr_candidates && nr_candidates > 1){174				min_nr_candidates = nr_candidates;175				min_candidates_square = square;176			}177		}178		var min_candidates = candidates[min_candidates_square];179		if(!reverse) {180			//for(var vi in min_candidates) {181			for(var vi = 0; vi < min_candidates.length; vi++) {182				var val = min_candidates[vi];183				var candidates_copy = Object.assign({}, candidates);184				var candidates_next = sudoku._search(sudoku._assign(candidates_copy, min_candidates_square, val));185				if(candidates_next) return candidates_next;186			}187		}188		else {189			for(var vi = min_candidates.length - 1; vi >= 0; --vi) {190				var val = min_candidates[vi];191				var candidates_copy = Object.assign({}, candidates);192				var candidates_next = sudoku._search(sudoku._assign(candidates_copy, min_candidates_square, val), reverse);193				if(candidates_next) return candidates_next;194			}195		}196		return false;197	};198	sudoku._assign = function(candidates, square, val){199		var other_vals = candidates[square].replace(val, '');200		for(var ovi in other_vals) {201			var other_val = other_vals[ovi];202			var candidates_next = sudoku._eliminate(candidates, square, other_val);203			if(!candidates_next) return false;204		}205		return candidates;206	};...

Using AI Code Generation

1Cypress.Commands.add('sudoku', (selector, value) => {2  cy.get(selector).type(value)3})4Cypress.Commands.add('sudokuSearch', (selector, value) => {5  cy.get(selector).type(value)6  cy.get('#search').click()7})8Cypress.Commands.add('sudokuReset', (selector, value) => {9  cy.get(selector).type(value)10  cy.get('#reset').click()11})12Cypress.Commands.add('sudokuClear', (selector, value) => {13  cy.get(selector).type(value)14  cy.get('#clear').click()15})16Cypress.Commands.add('sudokuSolve', (selector, value) => {17  cy.get(selector).type(value)18  cy.get('#solve').click()19})20describe('Sudoku', () => {21  it('Visits the app root url', () => {22    cy.visit('/')23    cy.contains('h1', 'Sudoku')24  })25  it('searches for a valid solution', () => {26    cy.sudokuSearch('#cell-0', '4')27    cy.sudokuSearch('#cell-1', '3')28    cy.sudokuSearch('#cell-2', '5')29    cy.sudokuSearch('#cell-3', '2')30    cy.sudokuSearch('#cell-4', '6')31    cy.sudokuSearch('#cell-5', '9')32    cy.sudokuSearch('#cell-6', '7')33    cy.sudokuSearch('#cell-7', '8')34    cy.sudokuSearch('#cell-8', '1')35    cy.sudokuSearch('#cell-9', '6')36    cy.sudokuSearch('#cell-10', '8')37    cy.sudokuSearch('#cell-11', '2')38    cy.sudokuSearch('#cell-12', '5')39    cy.sudokuSearch('#cell-13', '1')40    cy.sudokuSearch('#cell-14', '3')41    cy.sudokuSearch('#cell-15', '4')42    cy.sudokuSearch('#cell-16', '9')43    cy.sudokuSearch('#cell-17', '7')44    cy.sudokuSearch('#cell-18', '1')45    cy.sudokuSearch('#cell-19', '9')46    cy.sudokuSearch('#cell-20', '4')47    cy.sudokuSearch('#cell

Using AI Code Generation

1describe("Sudoku", function () {2    beforeEach(function () {3    });4    it("should solve the sudoku", function () {5        cy.get("#solve")6            .click()7            .get(".square")8            .should("have.length", 81)9            .each(($el, index) => {10                expect($el.text()).to.eq(sudoku._search()[index].toString());11            });12    });13});14-   [Sudoku solver](

Using AI Code Generation

1Cypress.Commands.add('search', (value) => {2    let row = null;3    let col = null;4    let isFound = false;5    for (let i = 0; i < 9; i++) {6        if (isFound) {7            break;8        }9        for (let j = 0; j < 9; j++) {10            cy.get(`#cell-${i}-${j}`).invoke('text').then((text) => {11                if (text == value) {12                    row = i;13                    col = j;14                    isFound = true;15                }16            });17        }18    }19    if (row === null || col === null) {20        return null;21    } else {22        return {23        };24    }25});26Cypress.Commands.add('search', (value) => {27    let row = null;28    let col = null;29    let isFound = false;30    for (let i = 0; i < 9; i++) {31        if (isFound) {32            break;33        }34        for (let j = 0; j < 9; j++) {35            cy.get(`#cell-${i}-${j}`).invoke('text').then((text) => {36                if (text == value) {37                    row = i;38                    col = j;39                    isFound = true;40                }41            });42        }43    }44    if (row === null || col === null) {45        return null;46    } else {47        return {48        };49    }50});51Cypress.Commands.add('search', (value) => {52    let row = null;53    let col = null;

Using AI Code Generation

1describe('test search function', function() {2  it('searches for a solution', function() {3    cy.get('#grid')4      .type('003020600900305001001806400008102900700000008006708200002609500800203009005010300')5    cy.get('#solve').click()6    cy.get('#grid').should('have.value', '483921657967345821251876493548132976729564138136798245372689514814253769695417382')7  })8})9function _search(grid) {10  var i = grid.search(/\./);11  if (i == -1) return grid;12  for (var j = 1; j <= 9; j++) {13    if (_accept(grid, i, j)) {14      var result = _search(grid.substr(0, i) + j + grid.substr(i + 1));15      if (result) return result;16    }17  }18  return null;19}20function _accept(grid, i, j) {21  var row = Math.floor(i / 9);22  var col = i % 9;23  var block = Math.floor(row / 3) * 3 + Math.floor(col / 3);24  for (var k = 0; k < 9; k++) {25    var p = row * 9 + k;26    var q = k * 9 + col;27    var r = Math.floor(row / 3) * 27 + Math.floor(col / 3) * 3 + (k % 3) * 9 + Math.floor(k / 3);28    if (k != col && grid.charAt(p) == j) return false;29    if (k != row && grid.charAt(q) == j) return false;30    if (k != i && grid.charAt(r) == j) return false;31  }32  return true;33}

Cypress Tutorial

Cypress is a renowned Javascript-based open-source, easy-to-use end-to-end testing framework primarily used for testing web applications. Cypress is a relatively new player in the automation testing space and has been gaining much traction lately, as evidenced by the number of Forks (2.7K) and Stars (42.1K) for the project. LambdaTest’s Cypress Tutorial covers step-by-step guides that will help you learn from the basics till you run automation tests on LambdaTest.

Chapters:

What is Cypress? -
Why Cypress? - Learn why Cypress might be a good choice for testing your web applications.
Features of Cypress Testing - Learn about features that make Cypress a powerful and flexible tool for testing web applications.
Cypress Drawbacks - Although Cypress has many strengths, it has a few limitations that you should be aware of.
Cypress Architecture - Learn more about Cypress architecture and how it is designed to be run directly in the browser, i.e., it does not have any additional servers.
Browsers Supported by Cypress - Cypress is built on top of the Electron browser, supporting all modern web browsers. Learn browsers that support Cypress.
Selenium vs Cypress: A Detailed Comparison - Compare and explore some key differences in terms of their design and features.
Cypress Learning: Best Practices - Take a deep dive into some of the best practices you should use to avoid anti-patterns in your automation tests.
How To Run Cypress Tests on LambdaTest? - Set up a LambdaTest account, and now you are all set to learn how to run Cypress tests.

Certification

You can elevate your expertise with end-to-end testing using the Cypress automation framework and stay one step ahead in your career by earning a Cypress certification. Check out our Cypress 101 Certification.