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How to use _check_output method in fMBT

Best Python code snippet using fMBT_python

code_generator_test.py

Source:code_generator_test.py

...31    def test_cons_param(self):32        """Test that constructor parameters can be correctly used."""33        p = ('class X { X(String x) {' + self._wrap_print('x') +34             '} static void main(String[] args) {X inst = new X("pass");}}')35        self._check_output(p, 'X', 'pass')3637    def test_method_param(self):38        """Test that method parameters can be correctly used."""39        p = ('class X { void meth(String x){' + self._wrap_print('x') +40             '} static void main(String[] args) {' +41             'X inst = new X();inst.meth("pass");}}')42        self._check_output(p, 'X', 'pass')4344    def test_super_cons_implicitly_invoked(self):45        """Test that the super constructor is implicitly invoked."""46        self._check_output_file('test_super_cons_implicitly_invoked.jml',47                                'pass')4849    def test_super_cons_explicitly_invoked(self):50        """Test that the super classes constructor can be explicitly51        invoked correctly.52        """53        self._check_output_file('test_super_cons_explicitly_invoked.jml',54                                'pass')5556    def test_method_call(self):57        """Test a simple method call to a method in the current class."""58        p = ('class X { void meth() { int x = meth2();' +59             self._wrap_print('x') + '} byte meth2() {return 5;} ' +60             'static void main(String[] args){X inst = new X();inst.meth();}}')61        self._check_output(p, 'X', '5')6263    def test_method_return_array(self):64        """Test a method in the same class correctly returns an array."""65        p = ('class X { void meth() { byte[][] x = meth2();' +66             'int y = x[0][0];' + self._wrap_print('y') +67             '} byte[][] meth2() { byte[][] arr = new byte[5][5];'68             'arr[0][0] = 5; return arr;} static void main(String[] args) {' +69             'X inst = new X();inst.meth();}}')70        self._check_output(p, 'X', '5')7172    def test_method_call_external(self):73        """Test that a external method call is correctly compiled."""74        self._check_output_file('test_method_call_external.jml','10.1')7576    def test_method_call_static(self):77        """Test a static external method call."""78        self._check_output_file('test_method_call_static.jml', '10.0')7980    def test_private_method_call(self):81        """Test an invocation of a private method in the current class.82        """83        p = ('class X { private void meth() {' + self._wrap_print('10') +84             '} static void main(String[] args) {' +85             'X inst = new X();inst.meth();}}')86        self._check_output(p, 'X', '10')8788    def test_lib_method_call(self):89        """Test a call to a library class."""90        p = ('class X{static void main(String[] args) ' +91             '{Integer i = new Integer(5);' +92             self._wrap_print('i.intValue()') + '}}')93        self._check_output(p, 'X', '5')9495    def test_lib_method_call_params(self):96        """Test a call to a library class with parameters."""97        p = ('class X {static void main(String[] args)' +98             '{String s = new String("pass");' +99             self._wrap_print('s.endsWith("s")') + '}}')100        self._check_output(p, 'X', 'true')101102    def test_lib_method_in_super_call(self):103        """Test a method call to a library object where the method is defined104        in its super class.105        """106        p = ('class X{static void main(String[] args){' +107             self._wrap_print('Double.isNaN(1.1)') + '}}')108        self._check_output(p, 'X', 'false')109110    def test_method_call_explicitly_super(self):111        """Test that the method in the super class is called, even when there112        is one with the same name in the current class.113        """114        p = ('class X {  X() {' +115             self._wrap_print('super.equals(new Object())') +116             '}static void main(String[] args){X x = new X();} ' +117             'boolean equals(Object x) {return true;}}')118        self._check_output(p, 'X', 'false')119120    def test_lib_method_call_static(self):121        """Test a static method call. """122        p = ('class X {static void main(String[] args)' +123             '{GregorianCalendar x = new GregorianCalendar();' +124             self._wrap_print('x.isLenient()') + '}}')125        self._check_output(p, 'X', 'true')126127    def test_field_access(self):128        """Test a simple field accessing in the same class."""129        p = ('class X { int f; void meth() { f = 5;' +130             self._wrap_print('f') + '} static void main(' +131             'String[] args) { X inst = new X();inst.meth();}}')132        self._check_output(p, 'X', '5')133134    def test_field_inc(self):135        """Test incrementing a field in the current class."""136        p = ('class X { int f; void meth() {f = 5;f++;' +137             self._wrap_print('f') + '} static void main(' +138             'String[] args) {X inst = new X();inst.meth();}}')139        self._check_output(p, 'X', '6')140141    def test_field_array(self):142        """Test a field of array type correctly compiles."""143        p = ('class X { int[] f; void meth() { f = new int[1];' +144             'f[0] = 5;' + self._wrap_print('f[0]') + '} ' +145             'static void main(String[] args) ' +146             '{ X inst = new X();inst.meth();}}')147        self._check_output(p, 'X', '5')148149    def test_field_ref_external(self):150        """Test access to an external field."""151        self._check_output_file('test_field_ref_external.jml', 'pass')152153    def test_field_ref_static(self):154        """Test a reference to a static final field."""155        self._check_output_file('test_field_ref_static.jml', '10.5')156157    def test_field_ref_super(self):158        """Test a reference to a field in the super class."""159        self._check_output_file('test_field_ref_super.jml', '10')160161    def test_field_ref_private(self):162        """Test a reference to a private field in the current class."""163        p = ('class X { private int x; X() {x = 10;' +164             self._wrap_print('x') + '} static void main ' +165             '(String[] args) { new X();}}')166        self._check_output(p, 'X', '10')167168    def test_lib_field_ref(self):169        """Test that a public field can be accessed that is in a library class.170        """171        p = ('class X {static void main(String[] args) { '+172             'int x = Short.MAX_VALUE;'+ self._wrap_print('x') + '}}')173        self._check_output(p, 'X', '32767')174175    def test_var_dcl(self):176        """Test variable declarations."""177        p = self._wrap_stmts('int x = 1;' + self._wrap_print('x'))178        self._check_output(p, 'X', '1')179180    def test_if(self):181        """Test a simple if statement."""182        p = self._wrap_stmts('int x = 2; if (x > 2) {' +183                             self._wrap_print('"fail"') +184                             '} else {' + self._wrap_print('"pass"') + '}')185        self._check_output(p, 'X', "pass")186187    def test_nested_if(self):188        """Test nested if statements."""189        p = self._wrap_stmts('String s = "hello"; int x = 2; if (x > = 3) {' +190                             self._wrap_print('"fail"') +191                             '} else if (s == "hi") {' +192                             self._wrap_print('"fail2"') +193                             '} else {' + self._wrap_print('"pass"') + '}')194        self._check_output(p, 'X', 'pass')195196    def  test_while(self):197        """Test a while statement that increments an int and prints out it's198        value.199        """200        p = self._wrap_stmts('int i = 1; while (i <= 10) {' +201                             self._wrap_print('i') + 'i = i + 1;}')202        # The new lines are needed because each new print statement has203        # a new line character after it204        nl = os.linesep205        self._check_output(p, 'X', '1' + nl + '2' + nl + '3' + nl +206                           '4' + nl + '5' + nl + '6' + nl + '7' + nl +207                           '8' + nl + '9' + nl + '10')208209    def  test_for(self):210        """Test a for loop which loops five times, each time printing out "s".211        """212        p = self._wrap_stmts('String s = "s"; for (int i = 0; i <5; i++) {' +213                             self._wrap_print('s') + '}')214        nl = os.linesep215        self._check_output(p, 'X', 's' + nl + 's' + nl + 's' + nl + 's' + nl +216                           's')217218    def test_or(self):219        """Test the boolean or operator by including it in an if statement220        where only one side is true.221        """222        p = self._wrap_stmts('int x = 1; if (x != 1 || x == 1) {' +223                             self._wrap_print('"pass"') + '}')224        self._check_output(p, 'X', 'pass')225226    def test_and(self):227        """Test the boolean and operator by including it in an if statement228        where both sides are true.229        """230        p = self._wrap_stmts('int x = 1; if (x != 1 && x == 1) {' +231                             self._wrap_print('"fail"') +232                             '} else {' + self._wrap_print('"pass"') + '}')233        self._check_output(p, 'X', 'pass')234235    # Equality and relational operators already tested in previous tests.236237    def test_add(self):238        """Test simple addition in a print statement."""239        p = self._wrap_stmts(self._wrap_print('1 + 1'))240        self._check_output(p, 'X', '2')241242    def test_concat(self):243        """Test concatination of two strings."""244        p = self._wrap_stmts(self._wrap_print('"fst" + "snd"'))245        self._check_output(p, 'X', 'fstsnd')246247    def test_sub(self):248        """Test simple subtraction in a print statement."""249        p = self._wrap_stmts(self._wrap_print('1 - 1'))250        self._check_output(p, 'X', '0')251252    def test_mul(self):253        """Test simple multiplication in a print statement."""254        p = self._wrap_stmts(self._wrap_print('2*2'))255        self._check_output(p, 'X', '4')256257    def test_div(self):258        """Test simple division in a print statement."""259        p = self._wrap_stmts(self._wrap_print('4/2'))260        self._check_output(p, 'X', '2')261262    def test_not(self):263        """Test that the not operator inverts the boolean expression: true."""264        p = self._wrap_stmts(self._wrap_print('!true'))265        self._check_output(p, 'X', 'false')266267    def test_neg(self):268        """Test that the negative operator makes the expression negative."""269        p = self._wrap_stmts(self._wrap_print('-(2+2)'))270        self._check_output(p, 'X', '-4')271272    def test_pos(self):273        """Test that the positive operator has no effect on the expression's274        sign.275        """276        p = self._wrap_stmts(self._wrap_print('+(-2)'))277        self._check_output(p, 'X', '-2')278279    def test_inc(self):280        """Test that the increment operator increments by 1."""281        p = self._wrap_stmts('int x = 1; x++;' + self._wrap_print('x'))282        self._check_output(p, 'X', '2')283284    def test_dec(self):285        """Test that the decrement operator decrements by 1."""286        p = self._wrap_stmts('int x = 1; --x;' + self._wrap_print('x'))287        self._check_output(p, 'X', '0')288289    def test_brackets(self):290        """Test precedence rules are followed when parentheses are used."""291        p = self._wrap_stmts(self._wrap_print('(1+1)/1'))292        self._check_output(p, 'X', '2')293294    def test_array(self):295        """Test a simple array creation and access."""296        p = self._wrap_stmts('String[] arr = new String[5];' +297                             'arr[0] = "Hello";' + self._wrap_print('arr[0]'))298        self._check_output(p, 'X', 'Hello')299300    def test_multi_array(self):301        """Test creation and access of a multi-dimensional array."""302        p = self._wrap_stmts('int[][][] a = new int[5][10][1];' +303                             'a[2][1][0] = 10;' +304                             self._wrap_print('a[2][1][0]'))305        self._check_output(p, 'X', '10')306307    def test_array_init_loop(self):308        """Test an array being initialised in a for loop and printed309        in a for loop.310        """311        p = self._wrap_stmts('long[] a = new long[5];' +312                             'for (int i = 0; i < 5; i++) { a[i] = i;}' +313                             'for (int j = 4; j >= 0; j--) {' +314                             self._wrap_print('a[j]') + '}')315        nl = os.linesep316        self._check_output(p, 'X', '4' + nl + '3' + nl + '2' + nl + '1' + nl +317                           '0')318319    def test_matrix(self):320        """Test a simple matrix creation and access."""321        p = self._wrap_stmts('matrix m = |1,1|;' +322                     'm|0,0| = 10.5;' +323                     self._wrap_print('m|0,0|'))324        self._check_output(p, 'X', '10.5')325326    def test_matrix_mult(self):327        """Test a matrix multiplication."""328        p = self._wrap_stmts('matrix a1 = |2, 2|;' +329                             'a1|0,0| = 1;' +330                             'a1|0,1| = 2;' +331                             'a1|1,0| = 3;' +332                             'a1|1,0| = 4;' +333                             'matrix a2 = |2, 1|;' +334                             'a2|0,0| = 1;' +335                             'a2|1,0| = 2;' +336                             'matrix a3;' +337                             'a3 = a1 * a2;' +338                             'PrintStream ps = System.out;' +339                             'for (int n = 0; n<a1.rowLength; n++) {' +340                             'for (int o=0; o<a2.colLength;o++) {' +341                             'ps.println(a3|n,o|); }}')342        self._check_output(p, 'X', '5.0' + os.linesep + '4.0')343344    def test_matrix_mult_dimension_error(self):345        """Test an exception is thrown when the inner dimensions do not agree.346        """347        p = self._wrap_stmts('matrix a1 = |2, 2|;' +348                             'a1|0,0| = 1;' +349                             'a1|0,1| = 2;' +350                             'a1|1,0| = 3;' +351                             'a1|1,0| = 4;' +352                             'matrix a2 = |1, 1|;' +353                             'a2|0,0| = 1;' +354                             'matrix a3;' +355                             'a3 = a1 * a2;')356        self._check_output(p, 'X', 'Exception in thread "main" ' +357                           'java.lang.ArithmeticException: ' +358                           'Inner matrix dimensions must match for ' +359                           'multiplication!' + os.linesep +360                           '\tat X.main(X.j)', check_error = True)361362    def test_matrix_add(self):363        """Test a matrix addition."""364        p = self._wrap_stmts('matrix a1 = |2, 2|;' +365                             'a1|0,0| = 1;' +366                             'a1|0,1| = 2;' +367                             'a1|1,0| = 3;' +368                             'a1|1,1| = 4;' +369                             'matrix a2 = |2, 2|;' +370                             'a2|0,0| = 1;' +371                             'a2|0,1| = 2;' +372                             'a2|1,0| = 3;' +373                             'a2|1,1| = 4;' +374                             'matrix a3;' +375                             'a3 = a1 + a2;' +376                             'PrintStream ps = System.out;' +377                             'for (int n = 0; n<a1.rowLength; n++) {' +378                             'for (int o=0; o<a2.colLength;o++) {' +379                             'ps.println(a3|n,o|); }}')380        nl = os.linesep381        self._check_output(p, 'X', '2.0' + nl + '4.0' + nl + '6.0' +382                   nl + '8.0')383384    def test_matrix_add_dimension_error(self):385        """Test an exception is thrown when the dimensions are not the same386        for two matrices when subtracted.387        """388        p = self._wrap_stmts('matrix a1 = |2, 2|;' +389                             'a1|0,0| = 1;' +390                             'a1|0,1| = 2;' +391                             'a1|1,0| = 3;' +392                             'a1|1,0| = 4;' +393                             'matrix a2 = |1, 1|;' +394                             'a2|0,0| = 1;' +395                             'matrix a3;' +396                             'a3 = a1 - a2;')397        self._check_output(p, 'X', 'Exception in thread "main" ' +398                           'java.lang.ArithmeticException: ' +399                           'Matrix dimensions must be equal for ' +400                           'addition/subtraction!' + os.linesep +401                           '\tat X.main(X.j)', check_error = True)402403    def test_command_line_args(self):404        """Test that command line arguments are correctly read."""405        p = ('class X { static void main(String[] args) {' +406             self._wrap_print('args[0]') + '}}')407        self._check_output(p, 'X', 'arg', args = ['arg'])408409    def _wrap_stmts(self, stmts):410        """Helper method used so lines of code can be tested411        without having to create a class and method for it to go in.412        """413        return ("""414                class X {415                    static void main(String[] args) {416                        """ +417                        stmts +418                        """419                    }420               }421               """)422423    def _wrap_print(self, stmt):424        return ("""425                PrintStream ps = System.out;426                ps.println(""" + stmt + """);427                """)428429    def _check_output(self, program, class_name, exptd_result, args = [],430                      check_error = False):431        """Checks the program was compiled correctly.432        Given a program to run the compiler on, this method checks the result433        printed when the JVM is run with the code generator's output.434        """435        output_dir = os.path.join(os.path.dirname(__file__), 'bin_test_files')436        # Remove any old asm and binary files437        self._cleanup(output_dir)438        # Run the compiler with the program439        self._code_gen.compile_(program, output_dir)440        # Run the JVM on the compiled file441        cmd = ['java', '-cp', output_dir, class_name] + args442        process = subprocess.Popen(cmd, stdout = subprocess.PIPE,443                                   stderr = subprocess.PIPE)444        output = ''445        if not check_error:446            output = process.communicate()[0]447        else:448            output = process.communicate()[1]449        output = output.rstrip(os.linesep)450451        #Check the printed results match the expected result452        self.assertEqual(output, exptd_result)453454    def _check_output_file(self, file_name, exptd_result):455        """Helper method to allow the code generator to be run on a456        particular file, and the output checked457        """458        path = os.path.join(self._file_dir, file_name)459        # Remove the .jml extension460        class_name = file_name[:-4]461        return self._check_output(path, class_name, exptd_result)462463    def _cleanup(self, dir_):464        """Removes all files in the directory."""465        for file_ in os.listdir(dir_):466            file_path = os.path.join(dir_, file_)467            try:468                os.remove(file_path)469            except OSError:470                # It was a Folder
...

cros_config_host_unittest.py

Source:cros_config_host_unittest.py

...39    if model:40      call_args.extend(['--model', model])41    call_args.extend(args)42    return call_args, kwargs43  def _check_output(self, *args, **kwargs):44    call_args, kwargs = self._call_args(*args, **kwargs)45    return subprocess.run(46        call_args, encoding='utf-8', check=True,47        stdout=subprocess.PIPE, **kwargs).stdout48  def testListModels(self):49    output = self._check_output('list-models')50    self.CheckManyLinesWithoutSpaces(output, lines=2)51  def testListModelsWithFilter(self):52    output = self._check_output('list-models', model='another')53    self.assertEqual('another\n', output)54  def testListModelsWithEnvFilter(self):55    os.environ['CROS_CONFIG_MODEL'] = 'another'56    output = self._check_output('list-models')57    del os.environ['CROS_CONFIG_MODEL']58    self.assertEqual('another\n', output)59  def testGetPropSingle(self):60    output = self._check_output('get', '/', 'wallpaper', model='another')61    self.assertEqual(output, 'default' + os.linesep)62  def testGetPropSingleWrongModel(self):63    output = self._check_output(64        'get', '/', 'wallpaper', model='dne', stderr=subprocess.PIPE)65    self.assertEqual(output, '')66  def testGetPropSingleWrongPath(self):67    with self.assertRaises(subprocess.CalledProcessError):68      self._check_output('get', '/dne', 'wallpaper', model='another',69                         stderr=subprocess.DEVNULL)70  def testGetPropSingleWrongProp(self):71    with self.assertRaises(subprocess.CalledProcessError):72      self._check_output(73          'get', '/', 'dne', model='another', stderr=subprocess.DEVNULL)74  def testGetFirmwareUris(self):75    output = self._check_output('get-firmware-uris')76    self.CheckManyLines(output)77  def testGetMosysPlatform(self):78    output = self._check_output('get-mosys-platform')79    self.assertEqual(output, 'Some\n')80  def testGetFingerprintFirmwareROVersionFound(self):81    output = self._check_output('get-fpmcu-firmware-ro-version', 'bloonchipper')82    self.assertEqual(output, 'VERSION1\n')83  def testGetFingerprintFirmwareROVersionNotSpecified(self):84    # If the ro-version is not specified, nothing is returned and the exit code85    # should be 0.86    output = self._check_output('get-fpmcu-firmware-ro-version', 'some_fpmcu')87    self.assertEqual(output, '')88  def testGetTouchFirmwareFiles(self):89    output = self._check_output('get-touch-firmware-files')90    self.CheckManyLines(output, 10)91  def testGetAudioFiles(self):92    output = self._check_output('get-audio-files')93    self.CheckManyLines(output, 10)94  def testGetFirmwareBuildTargets(self):95    output = self._check_output('get-firmware-build-targets', 'coreboot')96    self.CheckManyLines(output, 1)97  def testGetWallpaperFiles(self):98    output = self._check_output('get-wallpaper-files')99    self.CheckManyLines(output, 1)100  def testGetIntelWifiSarFiles(self):101    output = self._check_output('get-intel-wifi-sar-files')102    self.CheckManyLines(output, 1)103if __name__ == '__main__':...

git.py

Source:git.py

...8    path: Path9    def list_commits(self, from_ref: str) -> Tuple[str, ...]:10        def iter_commtis(commit_ids: List[str]) -> Iterator[str]:11            for commit_id in commit_ids:12                yield self._check_output(13                    ["git", "log", "-1", "--format=%B", commit_id]14                )15        commit_ids = self._check_output(16            ["git", "log", "--format=%H", f"{from_ref}..HEAD"]17        ).splitlines()18        return tuple(iter_commtis(commit_ids))19    def retrieve_last_commit(self) -> str:20        return self._check_output(["git", "log", "-1", "--format=%B"])21    def retrieve_last_tag(self) -> str:22        return self._check_output(["git", "describe", "--abbrev=0", "--tags"])23    def retrieve_last_tag_or_none(self) -> Optional[str]:24        with suppress(subprocess.CalledProcessError, ValueError):25            return self.retrieve_last_tag()26        return None27    def retrieve_tag_body(self, tag: str) -> str:28        return self._check_output(29            ["git", "tag", "-l", "--format=%(body)", tag]30        )31    def retrieve_tag_subject(self, tag: str) -> str:32        return self._check_output(33            ["git", "tag", "-l", "--format=%(subject)", tag]34        )35    def _check_output(self, args: List[str]) -> str:36        maybe_output = subprocess.check_output(args, cwd=self.path)37        if maybe_output is not None:38            return maybe_output.strip().decode("utf-8")...

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