xref: /openbsd/gnu/llvm/llvm/utils/lit/lit/LitTestCase.py (revision d415bd75) 
1import unittest
2
3import lit.discovery
4import lit.LitConfig
5import lit.worker
6
7"""
8TestCase adaptor for providing a Python 'unittest' compatible interface to 'lit'
9tests.
10"""
11
12
13class UnresolvedError(RuntimeError):
14    pass
15
16
17class LitTestCase(unittest.TestCase):
18    def __init__(self, test, lit_config):
19        unittest.TestCase.__init__(self)
20        self._test = test
21        self._lit_config = lit_config
22
23    def id(self):
24        return self._test.getFullName()
25
26    def shortDescription(self):
27        return self._test.getFullName()
28
29    def runTest(self):
30        # Run the test.
31        result = lit.worker._execute(self._test, self._lit_config)
32
33        # Adapt the result to unittest.
34        if result.code is lit.Test.UNRESOLVED:
35            raise UnresolvedError(result.output)
36        elif result.code.isFailure:
37            self.fail(result.output)
38
39
40def load_test_suite(inputs):
41    import platform
42    windows = platform.system() == 'Windows'
43
44    # Create the global config object.
45    lit_config = lit.LitConfig.LitConfig(
46        progname='lit',
47        path=[],
48        quiet=False,
49        useValgrind=False,
50        valgrindLeakCheck=False,
51        valgrindArgs=[],
52        noExecute=False,
53        debug=False,
54        isWindows=windows,
55        order='smart',
56        params={})
57
58    # Perform test discovery.
59    tests = lit.discovery.find_tests_for_inputs(lit_config, inputs, False)
60    test_adaptors = [LitTestCase(t, lit_config) for t in tests]
61
62    # Return a unittest test suite which just runs the tests in order.
63    return unittest.TestSuite(test_adaptors)
64