Test Loader
nose’s test loader implements the same basic functionality as its
superclass, unittest.TestLoader, but extends it by more liberal
interpretations of what may be a test and how a test may be named.
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class nose.loader.TestLoader(config=None, importer=None, workingDir=None, selector=None)
Test loader that extends unittest.TestLoader to:
- Load tests from test-like functions and classes that are not
unittest.TestCase subclasses
- Find and load test modules in a directory
- Support tests that are generators
- Support easy extensions of or changes to that behavior through plugins
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getTestCaseNames(testCaseClass)
- Override to select with selector, unless
config.getTestCaseNamesCompat is True
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loadTestsFromDir(path)
- Load tests from the directory at path. This is a generator
– each suite of tests from a module or other file is yielded
and is expected to be executed before the next file is
examined.
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loadTestsFromFile(filename)
- Load tests from a non-module file. Default is to raise a
ValueError; plugins may implement loadTestsFromFile to
provide a list of tests loaded from the file.
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loadTestsFromGenerator(generator, module)
Lazy-load tests from a generator function. The generator function
may yield either:
- a callable, or
- a function name resolvable within the same module
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loadTestsFromGeneratorMethod(generator, cls)
Lazy-load tests from a generator method.
This is more complicated than loading from a generator function,
since a generator method may yield:
- a function
- a bound or unbound method, or
- a method name
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loadTestsFromModule(module, path=None, discovered=False)
- Load all tests from module and return a suite containing
them. If the module has been discovered and is not test-like,
the suite will be empty by default, though plugins may add
their own tests.
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loadTestsFromName(name, module=None, discovered=False)
Load tests from the entity with the given name.
The name may indicate a file, directory, module, or any object
within a module. See nose.util.split_test_name for details on
test name parsing.
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loadTestsFromNames(names, module=None)
- Load tests from all names, returning a suite containing all
tests.
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loadTestsFromTestCase(testCaseClass)
- Load tests from a unittest.TestCase subclass.
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loadTestsFromTestClass(cls)
Load tests from a test class that is not a unittest.TestCase
subclass.
In this case, we can’t depend on the class’s __init__ taking method
name arguments, so we have to compose a MethodTestCase for each
method in the class that looks testlike.
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parseGeneratedTest(test)
Given the yield value of a test generator, return a func and args.
This is used in the two loadTestsFromGenerator* methods.
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resolve(name, module)
- Resolve name within module
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nose.loader.defaultTestLoader
- alias of TestLoader