| # Copyright (c) 2018 Google LLC |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| """A number of common spirv result checks coded in mixin classes. |
| |
| A test case can use these checks by declaring their enclosing mixin classes |
| as superclass and providing the expected_* variables required by the check_*() |
| methods in the mixin classes. |
| """ |
| import difflib |
| import functools |
| import os |
| import re |
| import subprocess |
| import traceback |
| from spirv_test_framework import SpirvTest |
| from builtins import bytes |
| |
| DEFAULT_SPIRV_VERSION = 0x010000 |
| |
| def convert_to_unix_line_endings(source): |
| """Converts all line endings in source to be unix line endings.""" |
| result = source.replace('\r\n', '\n').replace('\r', '\n') |
| return result |
| |
| |
| def substitute_file_extension(filename, extension): |
| """Substitutes file extension, respecting known shader extensions. |
| |
| foo.vert -> foo.vert.[extension] [similarly for .frag, .comp, etc.] |
| foo.glsl -> foo.[extension] |
| foo.unknown -> foo.[extension] |
| foo -> foo.[extension] |
| """ |
| if filename[-5:] not in [ |
| '.vert', '.frag', '.tesc', '.tese', '.geom', '.comp', '.spvasm' |
| ]: |
| return filename.rsplit('.', 1)[0] + '.' + extension |
| else: |
| return filename + '.' + extension |
| |
| |
| def get_object_filename(source_filename): |
| """Gets the object filename for the given source file.""" |
| return substitute_file_extension(source_filename, 'spv') |
| |
| |
| def get_assembly_filename(source_filename): |
| """Gets the assembly filename for the given source file.""" |
| return substitute_file_extension(source_filename, 'spvasm') |
| |
| |
| def verify_file_non_empty(filename): |
| """Checks that a given file exists and is not empty.""" |
| if not os.path.isfile(filename): |
| return False, 'Cannot find file: ' + filename |
| if not os.path.getsize(filename): |
| return False, 'Empty file: ' + filename |
| return True, '' |
| |
| |
| class ReturnCodeIsZero(SpirvTest): |
| """Mixin class for checking that the return code is zero.""" |
| |
| def check_return_code_is_zero(self, status): |
| if status.returncode: |
| return False, 'Non-zero return code: {ret}\n'.format( |
| ret=status.returncode) |
| return True, '' |
| |
| |
| class ReturnCodeIsNonZero(SpirvTest): |
| """Mixin class for checking that the return code is not zero.""" |
| |
| def check_return_code_is_nonzero(self, status): |
| if not status.returncode: |
| return False, 'return code is 0' |
| return True, '' |
| |
| |
| class NoOutputOnStdout(SpirvTest): |
| """Mixin class for checking that there is no output on stdout.""" |
| |
| def check_no_output_on_stdout(self, status): |
| if status.stdout: |
| return False, 'Non empty stdout: {out}\n'.format(out=status.stdout) |
| return True, '' |
| |
| |
| class NoOutputOnStderr(SpirvTest): |
| """Mixin class for checking that there is no output on stderr.""" |
| |
| def check_no_output_on_stderr(self, status): |
| if status.stderr: |
| return False, 'Non empty stderr: {err}\n'.format(err=status.stderr) |
| return True, '' |
| |
| |
| class SuccessfulReturn(ReturnCodeIsZero, NoOutputOnStdout, NoOutputOnStderr): |
| """Mixin class for checking that return code is zero and no output on |
| stdout and stderr.""" |
| pass |
| |
| |
| class NoGeneratedFiles(SpirvTest): |
| """Mixin class for checking that there is no file generated.""" |
| |
| def check_no_generated_files(self, status): |
| all_files = os.listdir(status.directory) |
| input_files = status.input_filenames |
| if all([f.startswith(status.directory) for f in input_files]): |
| all_files = [os.path.join(status.directory, f) for f in all_files] |
| generated_files = set(all_files) - set(input_files) |
| if len(generated_files) == 0: |
| return True, '' |
| else: |
| return False, 'Extra files generated: {}'.format(generated_files) |
| |
| |
| class CorrectBinaryLengthAndPreamble(SpirvTest): |
| """Provides methods for verifying preamble for a SPIR-V binary.""" |
| |
| def verify_binary_length_and_header(self, binary, spv_version=0x10000): |
| """Checks that the given SPIR-V binary has valid length and header. |
| |
| Returns: |
| False, error string if anything is invalid |
| True, '' otherwise |
| Args: |
| binary: a bytes object containing the SPIR-V binary |
| spv_version: target SPIR-V version number, with same encoding |
| as the version word in a SPIR-V header. |
| """ |
| |
| def read_word(binary, index, little_endian): |
| """Reads the index-th word from the given binary file.""" |
| word = binary[index * 4:(index + 1) * 4] |
| if little_endian: |
| word = reversed(word) |
| return functools.reduce(lambda w, b: (w << 8) | b, word, 0) |
| |
| def check_endianness(binary): |
| """Checks the endianness of the given SPIR-V binary. |
| |
| Returns: |
| True if it's little endian, False if it's big endian. |
| None if magic number is wrong. |
| """ |
| first_word = read_word(binary, 0, True) |
| if first_word == 0x07230203: |
| return True |
| first_word = read_word(binary, 0, False) |
| if first_word == 0x07230203: |
| return False |
| return None |
| |
| num_bytes = len(binary) |
| if num_bytes % 4 != 0: |
| return False, ('Incorrect SPV binary: size should be a multiple' |
| ' of words') |
| if num_bytes < 20: |
| return False, 'Incorrect SPV binary: size less than 5 words' |
| |
| preamble = binary[0:19] |
| little_endian = check_endianness(preamble) |
| # SPIR-V module magic number |
| if little_endian is None: |
| return False, 'Incorrect SPV binary: wrong magic number' |
| |
| # SPIR-V version number |
| version = read_word(preamble, 1, little_endian) |
| # TODO(dneto): Recent Glslang uses version word 0 for opengl_compat |
| # profile |
| |
| if version != spv_version and version != 0: |
| return False, 'Incorrect SPV binary: wrong version number: ' + hex(version) + ' expected ' + hex(spv_version) |
| # Shaderc-over-Glslang (0x000d....) or |
| # SPIRV-Tools (0x0007....) generator number |
| if read_word(preamble, 2, little_endian) != 0x000d0007 and \ |
| read_word(preamble, 2, little_endian) != 0x00070000: |
| return False, ('Incorrect SPV binary: wrong generator magic ' 'number') |
| # reserved for instruction schema |
| if read_word(preamble, 4, little_endian) != 0: |
| return False, 'Incorrect SPV binary: the 5th byte should be 0' |
| |
| return True, '' |
| |
| |
| class CorrectObjectFilePreamble(CorrectBinaryLengthAndPreamble): |
| """Provides methods for verifying preamble for a SPV object file.""" |
| |
| def verify_object_file_preamble(self, |
| filename, |
| spv_version=DEFAULT_SPIRV_VERSION): |
| """Checks that the given SPIR-V binary file has correct preamble.""" |
| |
| success, message = verify_file_non_empty(filename) |
| if not success: |
| return False, message |
| |
| with open(filename, 'rb') as object_file: |
| object_file.seek(0, os.SEEK_END) |
| num_bytes = object_file.tell() |
| |
| object_file.seek(0) |
| |
| binary = bytes(object_file.read()) |
| return self.verify_binary_length_and_header(binary, spv_version) |
| |
| return True, '' |
| |
| |
| class CorrectAssemblyFilePreamble(SpirvTest): |
| """Provides methods for verifying preamble for a SPV assembly file.""" |
| |
| def verify_assembly_file_preamble(self, filename): |
| success, message = verify_file_non_empty(filename) |
| if not success: |
| return False, message |
| |
| with open(filename) as assembly_file: |
| line1 = assembly_file.readline() |
| line2 = assembly_file.readline() |
| line3 = assembly_file.readline() |
| |
| if (line1 != '; SPIR-V\n' or line2 != '; Version: 1.0\n' or |
| (not line3.startswith('; Generator: Google Shaderc over Glslang;'))): |
| return False, 'Incorrect SPV assembly' |
| |
| return True, '' |
| |
| |
| class ValidObjectFile(SuccessfulReturn, CorrectObjectFilePreamble): |
| """Mixin class for checking that every input file generates a valid SPIR-V 1.0 |
| object file following the object file naming rule, and there is no output on |
| stdout/stderr.""" |
| |
| def check_object_file_preamble(self, status): |
| for input_filename in status.input_filenames: |
| object_filename = get_object_filename(input_filename) |
| success, message = self.verify_object_file_preamble( |
| os.path.join(status.directory, object_filename)) |
| if not success: |
| return False, message |
| return True, '' |
| |
| |
| class ValidObjectFile1_3(ReturnCodeIsZero, CorrectObjectFilePreamble): |
| """Mixin class for checking that every input file generates a valid SPIR-V 1.3 |
| object file following the object file naming rule, and there is no output on |
| stdout/stderr.""" |
| |
| def check_object_file_preamble(self, status): |
| for input_filename in status.input_filenames: |
| object_filename = get_object_filename(input_filename) |
| success, message = self.verify_object_file_preamble( |
| os.path.join(status.directory, object_filename), 0x10300) |
| if not success: |
| return False, message |
| return True, '' |
| |
| |
| class ValidObjectFile1_4(ReturnCodeIsZero, CorrectObjectFilePreamble): |
| """Mixin class for checking that every input file generates a valid SPIR-V 1.4 |
| object file following the object file naming rule, and there is no output on |
| stdout/stderr.""" |
| |
| def check_object_file_preamble(self, status): |
| for input_filename in status.input_filenames: |
| object_filename = get_object_filename(input_filename) |
| success, message = self.verify_object_file_preamble( |
| os.path.join(status.directory, object_filename), 0x10400) |
| if not success: |
| return False, message |
| return True, '' |
| |
| |
| class ValidObjectFileWithAssemblySubstr(SuccessfulReturn, |
| CorrectObjectFilePreamble): |
| """Mixin class for checking that every input file generates a valid object |
| |
| file following the object file naming rule, there is no output on |
| stdout/stderr, and the disassmbly contains a specified substring per |
| input. |
| """ |
| |
| def check_object_file_disassembly(self, status): |
| for an_input in status.inputs: |
| object_filename = get_object_filename(an_input.filename) |
| obj_file = str(os.path.join(status.directory, object_filename)) |
| success, message = self.verify_object_file_preamble(obj_file) |
| if not success: |
| return False, message |
| cmd = [status.test_manager.disassembler_path, '--no-color', obj_file] |
| process = subprocess.Popen( |
| args=cmd, |
| stdin=subprocess.PIPE, |
| stdout=subprocess.PIPE, |
| stderr=subprocess.PIPE, |
| cwd=status.directory) |
| output = process.communicate(None) |
| disassembly = output[0] |
| if not isinstance(an_input.assembly_substr, str): |
| return False, 'Missing assembly_substr member' |
| if an_input.assembly_substr not in disassembly: |
| return False, ('Incorrect disassembly output:\n{asm}\n' |
| 'Expected substring not found:\n{exp}'.format( |
| asm=disassembly, exp=an_input.assembly_substr)) |
| return True, '' |
| |
| |
| class ValidNamedObjectFile(SuccessfulReturn, CorrectObjectFilePreamble): |
| """Mixin class for checking that a list of object files with the given |
| names are correctly generated, and there is no output on stdout/stderr. |
| |
| To mix in this class, subclasses need to provide expected_object_filenames |
| as the expected object filenames. |
| """ |
| |
| def check_object_file_preamble(self, status): |
| for object_filename in self.expected_object_filenames: |
| success, message = self.verify_object_file_preamble( |
| os.path.join(status.directory, object_filename)) |
| if not success: |
| return False, message |
| return True, '' |
| |
| |
| class ValidFileContents(SpirvTest): |
| """Mixin class to test that a specific file contains specific text |
| To mix in this class, subclasses need to provide expected_file_contents as |
| the contents of the file and target_filename to determine the location.""" |
| |
| def check_file(self, status): |
| target_filename = os.path.join(status.directory, self.target_filename) |
| if not os.path.isfile(target_filename): |
| return False, 'Cannot find file: ' + target_filename |
| with open(target_filename, 'r') as target_file: |
| file_contents = target_file.read() |
| if isinstance(self.expected_file_contents, str): |
| if file_contents == self.expected_file_contents: |
| return True, '' |
| return False, ('Incorrect file output: \n{act}\n' |
| 'Expected:\n{exp}' |
| 'With diff:\n{diff}'.format( |
| act=file_contents, |
| exp=self.expected_file_contents, |
| diff='\n'.join( |
| list( |
| difflib.unified_diff( |
| self.expected_file_contents.split('\n'), |
| file_contents.split('\n'), |
| fromfile='expected_output', |
| tofile='actual_output'))))) |
| elif isinstance(self.expected_file_contents, type(re.compile(''))): |
| if self.expected_file_contents.search(file_contents): |
| return True, '' |
| return False, ('Incorrect file output: \n{act}\n' |
| 'Expected matching regex pattern:\n{exp}'.format( |
| act=file_contents, |
| exp=self.expected_file_contents.pattern)) |
| return False, ( |
| 'Could not open target file ' + target_filename + ' for reading') |
| |
| |
| class ValidAssemblyFile(SuccessfulReturn, CorrectAssemblyFilePreamble): |
| """Mixin class for checking that every input file generates a valid assembly |
| file following the assembly file naming rule, and there is no output on |
| stdout/stderr.""" |
| |
| def check_assembly_file_preamble(self, status): |
| for input_filename in status.input_filenames: |
| assembly_filename = get_assembly_filename(input_filename) |
| success, message = self.verify_assembly_file_preamble( |
| os.path.join(status.directory, assembly_filename)) |
| if not success: |
| return False, message |
| return True, '' |
| |
| |
| class ValidAssemblyFileWithSubstr(ValidAssemblyFile): |
| """Mixin class for checking that every input file generates a valid assembly |
| file following the assembly file naming rule, there is no output on |
| stdout/stderr, and all assembly files have the given substring specified |
| by expected_assembly_substr. |
| |
| To mix in this class, subclasses need to provde expected_assembly_substr |
| as the expected substring. |
| """ |
| |
| def check_assembly_with_substr(self, status): |
| for input_filename in status.input_filenames: |
| assembly_filename = get_assembly_filename(input_filename) |
| success, message = self.verify_assembly_file_preamble( |
| os.path.join(status.directory, assembly_filename)) |
| if not success: |
| return False, message |
| with open(assembly_filename, 'r') as f: |
| content = f.read() |
| if self.expected_assembly_substr not in convert_to_unix_line_endings( |
| content): |
| return False, ('Incorrect assembly output:\n{asm}\n' |
| 'Expected substring not found:\n{exp}'.format( |
| asm=content, exp=self.expected_assembly_substr)) |
| return True, '' |
| |
| |
| class ValidAssemblyFileWithoutSubstr(ValidAssemblyFile): |
| """Mixin class for checking that every input file generates a valid assembly |
| file following the assembly file naming rule, there is no output on |
| stdout/stderr, and no assembly files have the given substring specified |
| by unexpected_assembly_substr. |
| |
| To mix in this class, subclasses need to provde unexpected_assembly_substr |
| as the substring we expect not to see. |
| """ |
| |
| def check_assembly_for_substr(self, status): |
| for input_filename in status.input_filenames: |
| assembly_filename = get_assembly_filename(input_filename) |
| success, message = self.verify_assembly_file_preamble( |
| os.path.join(status.directory, assembly_filename)) |
| if not success: |
| return False, message |
| with open(assembly_filename, 'r') as f: |
| content = f.read() |
| if self.unexpected_assembly_substr in convert_to_unix_line_endings( |
| content): |
| return False, ('Incorrect assembly output:\n{asm}\n' |
| 'Unexpected substring found:\n{unexp}'.format( |
| asm=content, exp=self.unexpected_assembly_substr)) |
| return True, '' |
| |
| |
| class ValidNamedAssemblyFile(SuccessfulReturn, CorrectAssemblyFilePreamble): |
| """Mixin class for checking that a list of assembly files with the given |
| names are correctly generated, and there is no output on stdout/stderr. |
| |
| To mix in this class, subclasses need to provide expected_assembly_filenames |
| as the expected assembly filenames. |
| """ |
| |
| def check_object_file_preamble(self, status): |
| for assembly_filename in self.expected_assembly_filenames: |
| success, message = self.verify_assembly_file_preamble( |
| os.path.join(status.directory, assembly_filename)) |
| if not success: |
| return False, message |
| return True, '' |
| |
| |
| class ErrorMessage(SpirvTest): |
| """Mixin class for tests that fail with a specific error message. |
| |
| To mix in this class, subclasses need to provide expected_error as the |
| expected error message. |
| |
| The test should fail if the subprocess was terminated by a signal. |
| """ |
| |
| def check_has_error_message(self, status): |
| if not status.returncode: |
| return False, ('Expected error message, but returned success from ' |
| 'command execution') |
| if status.returncode < 0: |
| # On Unix, a negative value -N for Popen.returncode indicates |
| # termination by signal N. |
| # https://docs.python.org/2/library/subprocess.html |
| return False, ('Expected error message, but command was terminated by ' |
| 'signal ' + str(status.returncode)) |
| if not status.stderr: |
| return False, 'Expected error message, but no output on stderr' |
| if self.expected_error != convert_to_unix_line_endings(status.stderr): |
| return False, ('Incorrect stderr output:\n{act}\n' |
| 'Expected:\n{exp}'.format( |
| act=status.stderr, exp=self.expected_error)) |
| return True, '' |
| |
| |
| class ErrorMessageSubstr(SpirvTest): |
| """Mixin class for tests that fail with a specific substring in the error |
| message. |
| |
| To mix in this class, subclasses need to provide expected_error_substr as |
| the expected error message substring. |
| |
| The test should fail if the subprocess was terminated by a signal. |
| """ |
| |
| def check_has_error_message_as_substring(self, status): |
| if not status.returncode: |
| return False, ('Expected error message, but returned success from ' |
| 'command execution') |
| if status.returncode < 0: |
| # On Unix, a negative value -N for Popen.returncode indicates |
| # termination by signal N. |
| # https://docs.python.org/2/library/subprocess.html |
| return False, ('Expected error message, but command was terminated by ' |
| 'signal ' + str(status.returncode)) |
| if not status.stderr: |
| return False, 'Expected error message, but no output on stderr' |
| if self.expected_error_substr not in convert_to_unix_line_endings( |
| status.stderr.decode('utf8')): |
| return False, ('Incorrect stderr output:\n{act}\n' |
| 'Expected substring not found in stderr:\n{exp}'.format( |
| act=status.stderr, exp=self.expected_error_substr)) |
| return True, '' |
| |
| |
| class WarningMessage(SpirvTest): |
| """Mixin class for tests that succeed but have a specific warning message. |
| |
| To mix in this class, subclasses need to provide expected_warning as the |
| expected warning message. |
| """ |
| |
| def check_has_warning_message(self, status): |
| if status.returncode: |
| return False, ('Expected warning message, but returned failure from' |
| ' command execution') |
| if not status.stderr: |
| return False, 'Expected warning message, but no output on stderr' |
| if self.expected_warning != convert_to_unix_line_endings(status.stderr.decode('utf8')): |
| return False, ('Incorrect stderr output:\n{act}\n' |
| 'Expected:\n{exp}'.format( |
| act=status.stderr, exp=self.expected_warning)) |
| return True, '' |
| |
| |
| class ValidObjectFileWithWarning(NoOutputOnStdout, CorrectObjectFilePreamble, |
| WarningMessage): |
| """Mixin class for checking that every input file generates a valid object |
| file following the object file naming rule, with a specific warning message. |
| """ |
| |
| def check_object_file_preamble(self, status): |
| for input_filename in status.input_filenames: |
| object_filename = get_object_filename(input_filename) |
| success, message = self.verify_object_file_preamble( |
| os.path.join(status.directory, object_filename)) |
| if not success: |
| return False, message |
| return True, '' |
| |
| |
| class ValidAssemblyFileWithWarning(NoOutputOnStdout, |
| CorrectAssemblyFilePreamble, WarningMessage): |
| """Mixin class for checking that every input file generates a valid assembly |
| file following the assembly file naming rule, with a specific warning |
| message.""" |
| |
| def check_assembly_file_preamble(self, status): |
| for input_filename in status.input_filenames: |
| assembly_filename = get_assembly_filename(input_filename) |
| success, message = self.verify_assembly_file_preamble( |
| os.path.join(status.directory, assembly_filename)) |
| if not success: |
| return False, message |
| return True, '' |
| |
| |
| class StdoutMatch(SpirvTest): |
| """Mixin class for tests that can expect output on stdout. |
| |
| To mix in this class, subclasses need to provide expected_stdout as the |
| expected stdout output. |
| |
| For expected_stdout, if it's True, then they expect something on stdout but |
| will not check what it is. If it's a string, expect an exact match. If it's |
| anything else, it is assumed to be a compiled regular expression which will |
| be matched against re.search(). It will expect |
| expected_stdout.search(status.stdout) to be true. |
| """ |
| |
| def check_stdout_match(self, status): |
| # "True" in this case means we expect something on stdout, but we do not |
| # care what it is, we want to distinguish this from "blah" which means we |
| # expect exactly the string "blah". |
| if self.expected_stdout is True: |
| if not status.stdout: |
| return False, 'Expected something on stdout' |
| elif type(self.expected_stdout) == str: |
| if self.expected_stdout != convert_to_unix_line_endings(status.stdout.decode('utf8')): |
| return False, ('Incorrect stdout output:\n{ac}\n' |
| 'Expected:\n{ex}'.format( |
| ac=status.stdout, ex=self.expected_stdout)) |
| else: |
| converted = convert_to_unix_line_endings(status.stdout.decode('utf8')) |
| if not self.expected_stdout.search(converted): |
| return False, ('Incorrect stdout output:\n{ac}\n' |
| 'Expected to match regex:\n{ex}'.format( |
| ac=status.stdout.decode('utf8'), ex=self.expected_stdout.pattern)) |
| return True, '' |
| |
| |
| class StderrMatch(SpirvTest): |
| """Mixin class for tests that can expect output on stderr. |
| |
| To mix in this class, subclasses need to provide expected_stderr as the |
| expected stderr output. |
| |
| For expected_stderr, if it's True, then they expect something on stderr, |
| but will not check what it is. If it's a string, expect an exact match. |
| If it's anything else, it is assumed to be a compiled regular expression |
| which will be matched against re.search(). It will expect |
| expected_stderr.search(status.stderr) to be true. |
| """ |
| |
| def check_stderr_match(self, status): |
| # "True" in this case means we expect something on stderr, but we do not |
| # care what it is, we want to distinguish this from "blah" which means we |
| # expect exactly the string "blah". |
| if self.expected_stderr is True: |
| if not status.stderr: |
| return False, 'Expected something on stderr' |
| elif type(self.expected_stderr) == str: |
| if self.expected_stderr != convert_to_unix_line_endings(status.stderr.decode('utf8')): |
| return False, ('Incorrect stderr output:\n{ac}\n' |
| 'Expected:\n{ex}'.format( |
| ac=status.stderr, ex=self.expected_stderr)) |
| else: |
| if not self.expected_stderr.search( |
| convert_to_unix_line_endings(status.stderr.decode('utf8'))): |
| return False, ('Incorrect stderr output:\n{ac}\n' |
| 'Expected to match regex:\n{ex}'.format( |
| ac=status.stderr, ex=self.expected_stderr.pattern)) |
| return True, '' |
| |
| |
| class StdoutNoWiderThan80Columns(SpirvTest): |
| """Mixin class for tests that require stdout to 80 characters or narrower. |
| |
| To mix in this class, subclasses need to provide expected_stdout as the |
| expected stdout output. |
| """ |
| |
| def check_stdout_not_too_wide(self, status): |
| if not status.stdout: |
| return True, '' |
| else: |
| for line in status.stdout.splitlines(): |
| if len(line) > 80: |
| return False, ('Stdout line longer than 80 columns: %s' % line) |
| return True, '' |
| |
| |
| class NoObjectFile(SpirvTest): |
| """Mixin class for checking that no input file has a corresponding object |
| file.""" |
| |
| def check_no_object_file(self, status): |
| for input_filename in status.input_filenames: |
| object_filename = get_object_filename(input_filename) |
| full_object_file = os.path.join(status.directory, object_filename) |
| print('checking %s' % full_object_file) |
| if os.path.isfile(full_object_file): |
| return False, ( |
| 'Expected no object file, but found: %s' % full_object_file) |
| return True, '' |
| |
| |
| class NoNamedOutputFiles(SpirvTest): |
| """Mixin class for checking that no specified output files exist. |
| |
| The expected_output_filenames member should be full pathnames.""" |
| |
| def check_no_named_output_files(self, status): |
| for object_filename in self.expected_output_filenames: |
| if os.path.isfile(object_filename): |
| return False, ( |
| 'Expected no output file, but found: %s' % object_filename) |
| return True, '' |
| |
| |
| class ExecutedListOfPasses(SpirvTest): |
| """Mixin class for checking that a list of passes where executed. |
| |
| It works by analyzing the output of the --print-all flag to spirv-opt. |
| |
| For this mixin to work, the class member expected_passes should be a sequence |
| of pass names as returned by Pass::name(). |
| """ |
| |
| def check_list_of_executed_passes(self, status): |
| # Collect all the output lines containing a pass name. |
| pass_names = [] |
| pass_name_re = re.compile(r'.*IR before pass (?P<pass_name>[\S]+)') |
| for line in status.stderr.decode('utf8').splitlines(): |
| match = pass_name_re.match(line) |
| if match: |
| pass_names.append(match.group('pass_name')) |
| |
| for (expected, actual) in zip(self.expected_passes, pass_names): |
| if expected != actual: |
| return False, ( |
| 'Expected pass "%s" but found pass "%s"\n' % (expected, actual)) |
| |
| return True, '' |
