def test_read_nonexistent_file(self):
grammar = AntlrGrammar(pathlib.Path('FooBar.g4'))
# check if DistutilsFileError was thrown
with pytest.raises(distutils.errors.DistutilsFileError) as excinfo:
grammar.read_imports()
assert excinfo.match('FooBar.g4')
def test_read_nonexistent_file(self):
grammar = AntlrGrammar(pathlib.Path('FooBar.g4'))
# check if DistutilsFileError was thrown
with pytest.raises(distutils.errors.DistutilsFileError) as excinfo:
grammar.read_imports()
assert excinfo.match('FooBar.g4')
def test_run_grammars_multiple(self, mock_run, configured_command):
mock_run.return_value = unittest.mock.Mock(returncode=0)
configured_command._find_grammars = unittest.mock.Mock(return_value=[
AntlrGrammar(pathlib.Path('Foo.g4')),
AntlrGrammar(pathlib.Path('Bar.g4'))
])
configured_command.grammars = ['Foo']
configured_command.run()
args, _ = mock_run.call_args
assert mock_run.call_count == 1
assert 'Foo.g4' in args[0]
def test_run_package_exists(self, mock_find_grammars, mock_run,
mock_find_antlr, mock_find_java, tmpdir,
command):
java_exe = pathlib.Path('c:/path/to/java/bin/java.exe')
antlr_jar = pathlib.Path('antlr-4.5.3-complete.jar')
mock_find_java.return_value = java_exe
mock_find_antlr.return_value = antlr_jar
grammar = AntlrGrammar(pathlib.Path('SomeGrammar.g4'))
mock_find_grammars.return_value = [grammar]
mock_run.return_value = unittest.mock.Mock(returncode=0)
gen_dir = str(tmpdir.mkdir('gen'))
package_dir = pathlib.Path(gen_dir, 'some_grammar')
package_dir.mkdir()
init_file = pathlib.Path(package_dir, '__init__.py')
init_file.open('wt').close()
origin_mtime_ns = init_file.stat().st_mtime_ns
command.output['default'] = gen_dir
command.run()
assert init_file.stat().st_mtime_ns == origin_mtime_ns
def test_find_grammars_distributed(self, command):
grammars = command._find_grammars(pathlib.Path('distributed'))
common_terminals = AntlrGrammar(
pathlib.Path('distributed/CommonTerminals.g4'))
shared_rules = AntlrGrammar(pathlib.Path('distributed/SharedRules.g4'))
some_grammar = AntlrGrammar(pathlib.Path('distributed/SomeGrammar.g4'))
shared_rules.dependencies.append(common_terminals)
some_grammar.dependencies.append(common_terminals)
some_grammar.dependencies.append(shared_rules)
assert len(grammars) == 3
assert common_terminals in grammars
assert shared_rules in grammars
assert some_grammar in grammars
def test_find_grammars_standalone(self, command):
grammars = command._find_grammars(pathlib.Path('standalone'))
some_grammar = AntlrGrammar(pathlib.Path('standalone/SomeGrammar.g4'))
assert len(grammars) == 1
assert some_grammar in grammars
def test_run_grammars_not_found(self, mock_run, configured_command):
mock_run.return_value = unittest.mock.Mock(returncode=0)
configured_command._find_grammars = unittest.mock.Mock(
return_value=[AntlrGrammar(pathlib.Path('Foo.g4'))])
configured_command.grammars = ['Bar']
configured_command.run()
assert mock_run.call_count == 0
def test_run_multiple_library_location(self, mock_find_grammars, mock_run, mock_find_antlr,
mock_find_java, tmpdir, command):
java_exe = pathlib.Path('c:/path/to/java/bin/java.exe')
antlr_jar = pathlib.Path('antlr-4.5.3-complete.jar')
mock_find_java.return_value = java_exe
mock_find_antlr.return_value = antlr_jar
grammar = AntlrGrammar(pathlib.Path('SomeGrammar.g4'))
grammar.dependencies = [
AntlrGrammar(pathlib.Path('terminals/common.g4')),
AntlrGrammar(pathlib.Path('rules/common.g4'))
]
mock_find_grammars.return_value = [grammar]
mock_run.return_value = unittest.mock.Mock(returncode=0)
command.output['default'] = str(tmpdir.mkdir('gen'))
with pytest.raises(distutils.errors.DistutilsOptionError) as excinfo:
command.run()
assert excinfo.match('Imported grammars of \'SomeGrammar\' are located in more than one '
'directory.')
def test_run_one_library_location(self, mock_find_grammars, mock_run, mock_find_antlr,
mock_find_java, tmpdir, command):
java_exe = pathlib.Path('c:/path/to/java/bin/java.exe')
antlr_jar = pathlib.Path('antlr-4.5.3-complete.jar')
mock_find_java.return_value = java_exe
mock_find_antlr.return_value = antlr_jar
grammar = AntlrGrammar(pathlib.Path('SomeGrammar.g4'))
grammar.dependencies = [
AntlrGrammar(pathlib.Path('shared/CommonTerminals.g4'))
]
mock_find_grammars.return_value = [grammar]
mock_run.return_value = unittest.mock.Mock(returncode=0)
command.output['default'] = str(tmpdir.mkdir('gen'))
command.run()
args, _ = mock_run.call_args
assert mock_run.called
assert '-lib' in args[0]
assert any(a.endswith('shared') for a in args[0])
def test_run_one_library_location(self, mock_find_grammars, mock_run,
mock_find_antlr, mock_find_java, tmpdir,
command):
java_exe = pathlib.Path('c:/path/to/java/bin/java.exe')
antlr_jar = pathlib.Path('antlr-4.5.3-complete.jar')
mock_find_java.return_value = java_exe
mock_find_antlr.return_value = antlr_jar
grammar = AntlrGrammar(pathlib.Path('SomeGrammar.g4'))
grammar.dependencies = [
AntlrGrammar(pathlib.Path('shared/CommonTerminals.g4'))
]
mock_find_grammars.return_value = [grammar]
mock_run.return_value = unittest.mock.Mock(returncode=0)
command.output['default'] = str(tmpdir.mkdir('gen'))
command.run()
args, _ = mock_run.call_args
assert mock_run.called
assert '-lib' in args[0]
assert any(a.endswith('shared') for a in args[0])
def test_run_multiple_library_location(self, mock_find_grammars, mock_run,
mock_find_antlr, mock_find_java,
tmpdir, command):
java_exe = pathlib.Path('c:/path/to/java/bin/java.exe')
antlr_jar = pathlib.Path('antlr-4.5.3-complete.jar')
mock_find_java.return_value = java_exe
mock_find_antlr.return_value = antlr_jar
grammar = AntlrGrammar(pathlib.Path('SomeGrammar.g4'))
grammar.dependencies = [
AntlrGrammar(pathlib.Path('terminals/common.g4')),
AntlrGrammar(pathlib.Path('rules/common.g4'))
]
mock_find_grammars.return_value = [grammar]
mock_run.return_value = unittest.mock.Mock(returncode=0)
command.output['default'] = str(tmpdir.mkdir('gen'))
with pytest.raises(distutils.errors.DistutilsOptionError) as excinfo:
command.run()
assert excinfo.match(
'Imported grammars of \'SomeGrammar\' are located in more than one directory.'
)
def configured_command(self, monkeypatch, tmpdir, command):
command._find_antlr = unittest.mock.Mock(
return_value=pathlib.Path('antlr-4.5.3-complete.jar'))
command._find_grammars = unittest.mock.Mock(return_value=[
AntlrGrammar(pathlib.Path('standalone/SomeGrammar.g4'))
])
command.output['default'] = str(tmpdir.mkdir('gen'))
monkeypatch.setattr(
setuptools_antlr.command, 'find_java',
unittest.mock.Mock(
return_value=pathlib.Path('c:/path/to/java/bin/java.exe')))
return command
def test_run_custom_output_dir(self, mock_run, configured_command):
mock_run.return_value = unittest.mock.Mock(returncode=0)
configured_command._find_grammars = unittest.mock.Mock(return_value=[
AntlrGrammar(pathlib.Path('Foo.g4')),
])
custom_output_dir = 'build/lib/custom'
configured_command.output['Foo'] = custom_output_dir
configured_command.run()
args, _ = mock_run.call_args
assert mock_run.call_count == 1
custom_package_path = pathlib.Path(custom_output_dir, 'foo').absolute()
assert any(custom_package_path == pathlib.Path(a) for a in args[0])
def test_run_java_found(self, mock_find_grammars, mock_run, mock_find_java,
tmpdir, command):
java_exe = pathlib.Path('c:/path/to/java/bin/java.exe')
mock_find_java.return_value = java_exe
mock_find_grammars.return_value = [
AntlrGrammar(pathlib.Path('standalone/SomeGrammar.g4'))
]
mock_run.return_value = subprocess.CompletedProcess([], 0)
command.output['default'] = str(tmpdir.mkdir('gen'))
command.run()
args, _ = mock_run.call_args
assert mock_run.called
assert str(java_exe) in args[0]
assert '-jar' in args[0]
def test_run_antlr_found(self, mock_find_grammars, mock_run,
mock_find_antlr, mock_find_java, tmpdir, command):
java_exe = pathlib.Path('c:/path/to/java/bin/java.exe')
antlr_jar = pathlib.Path('antlr-4.5.3-complete.jar')
mock_find_java.return_value = java_exe
mock_find_antlr.return_value = antlr_jar
mock_find_grammars.return_value = [
AntlrGrammar(pathlib.Path('standalone/SomeGrammar.g4'))
]
mock_run.return_value = unittest.mock.Mock(returncode=0)
command.output['default'] = str(tmpdir.mkdir('gen'))
command.run()
args, _ = mock_run.call_args
assert mock_run.called
assert str(antlr_jar) in args[0]
def test_run_package_not_exists(self, mock_find_grammars, mock_run,
mock_find_antlr, mock_find_java, tmpdir,
command):
java_exe = pathlib.Path('c:/path/to/java/bin/java.exe')
antlr_jar = pathlib.Path('antlr-4.5.3-complete.jar')
mock_find_java.return_value = java_exe
mock_find_antlr.return_value = antlr_jar
grammar = AntlrGrammar(pathlib.Path('SomeGrammar.g4'))
mock_find_grammars.return_value = [grammar]
mock_run.return_value = unittest.mock.Mock(returncode=0)
base_dir = str(tmpdir.mkdir('base'))
package_dir = pathlib.Path(base_dir, 'some_grammar')
package_init_file = pathlib.Path(package_dir, '__init__.py')
command.output['default'] = base_dir
os.chdir(str(base_dir))
command.run()
assert package_init_file.exists()
def test_read_with_imports(self):
grammar = AntlrGrammar(pathlib.Path('distributed', 'SomeGrammar.g4'))
imports = set(grammar.read_imports())
assert len(imports) == 2
assert {'CommonTerminals', 'SharedRules'} == imports
def test_read_without_imports(self):
grammar = AntlrGrammar(pathlib.Path('distributed', 'CommonTerminals.g4'))
imports = grammar.read_imports()
assert not imports
def test_read_without_imports(self):
grammar = AntlrGrammar(
pathlib.Path('distributed', 'CommonTerminals.g4'))
imports = grammar.read_imports()
assert not imports
def test_read_with_imports(self):
grammar = AntlrGrammar(pathlib.Path('distributed', 'SomeGrammar.g4'))
imports = set(grammar.read_imports())
assert len(imports) == 2
assert {'CommonTerminals', 'SharedRules'} == imports
