084e43bfbf
Rewrite the tests from using plain 'assert' mixed with some nosetests methods to the standard unittest module layout. Improve the code to use the most canonical assertion methods whenever possible. This has a few major advantages: - the code uses standard methods now, resulting in a reduced number of WTFs whenever someone with basic Python knowledge gets to read it, - completely unnecessary dependency on nosetests is removed since the standard library supplies all that is necessary for the tests to run, - the tests can be run via any test runner, including the one built-in in Python, - the failure output for most of the tests is improved from 'assertion x == y failed' to actually telling the values. Differential Revision: https://reviews.llvm.org/D39763 llvm-svn: 317897
106 lines
4.8 KiB
Python
106 lines
4.8 KiB
Python
from clang.cindex import *
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from .util import get_tu
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import unittest
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# FIXME: We need support for invalid translation units to test better.
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class TestDiagnostics(unittest.TestCase):
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def test_diagnostic_warning(self):
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tu = get_tu('int f0() {}\n')
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self.assertEqual(len(tu.diagnostics), 1)
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self.assertEqual(tu.diagnostics[0].severity, Diagnostic.Warning)
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self.assertEqual(tu.diagnostics[0].location.line, 1)
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self.assertEqual(tu.diagnostics[0].location.column, 11)
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self.assertEqual(tu.diagnostics[0].spelling,
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'control reaches end of non-void function')
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def test_diagnostic_note(self):
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# FIXME: We aren't getting notes here for some reason.
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tu = get_tu('#define A x\nvoid *A = 1;\n')
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self.assertEqual(len(tu.diagnostics), 1)
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self.assertEqual(tu.diagnostics[0].severity, Diagnostic.Warning)
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self.assertEqual(tu.diagnostics[0].location.line, 2)
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self.assertEqual(tu.diagnostics[0].location.column, 7)
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self.assertIn('incompatible', tu.diagnostics[0].spelling)
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# self.assertEqual(tu.diagnostics[1].severity, Diagnostic.Note)
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# self.assertEqual(tu.diagnostics[1].location.line, 1)
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# self.assertEqual(tu.diagnostics[1].location.column, 11)
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# self.assertEqual(tu.diagnostics[1].spelling, 'instantiated from')
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def test_diagnostic_fixit(self):
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tu = get_tu('struct { int f0; } x = { f0 : 1 };')
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self.assertEqual(len(tu.diagnostics), 1)
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self.assertEqual(tu.diagnostics[0].severity, Diagnostic.Warning)
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self.assertEqual(tu.diagnostics[0].location.line, 1)
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self.assertEqual(tu.diagnostics[0].location.column, 26)
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self.assertRegexpMatches(tu.diagnostics[0].spelling,
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'use of GNU old-style.*')
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self.assertEqual(len(tu.diagnostics[0].fixits), 1)
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self.assertEqual(tu.diagnostics[0].fixits[0].range.start.line, 1)
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self.assertEqual(tu.diagnostics[0].fixits[0].range.start.column, 26)
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self.assertEqual(tu.diagnostics[0].fixits[0].range.end.line, 1)
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self.assertEqual(tu.diagnostics[0].fixits[0].range.end.column, 30)
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self.assertEqual(tu.diagnostics[0].fixits[0].value, '.f0 = ')
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def test_diagnostic_range(self):
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tu = get_tu('void f() { int i = "a" + 1; }')
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self.assertEqual(len(tu.diagnostics), 1)
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self.assertEqual(tu.diagnostics[0].severity, Diagnostic.Warning)
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self.assertEqual(tu.diagnostics[0].location.line, 1)
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self.assertEqual(tu.diagnostics[0].location.column, 16)
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self.assertRegexpMatches(tu.diagnostics[0].spelling,
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'incompatible pointer to.*')
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self.assertEqual(len(tu.diagnostics[0].fixits), 0)
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self.assertEqual(len(tu.diagnostics[0].ranges), 1)
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self.assertEqual(tu.diagnostics[0].ranges[0].start.line, 1)
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self.assertEqual(tu.diagnostics[0].ranges[0].start.column, 20)
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self.assertEqual(tu.diagnostics[0].ranges[0].end.line, 1)
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self.assertEqual(tu.diagnostics[0].ranges[0].end.column, 27)
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with self.assertRaises(IndexError):
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tu.diagnostics[0].ranges[1].start.line
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def test_diagnostic_category(self):
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"""Ensure that category properties work."""
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tu = get_tu('int f(int i) { return 7; }', all_warnings=True)
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self.assertEqual(len(tu.diagnostics), 1)
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d = tu.diagnostics[0]
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self.assertEqual(d.severity, Diagnostic.Warning)
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self.assertEqual(d.location.line, 1)
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self.assertEqual(d.location.column, 11)
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self.assertEqual(d.category_number, 2)
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self.assertEqual(d.category_name, 'Semantic Issue')
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def test_diagnostic_option(self):
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"""Ensure that category option properties work."""
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tu = get_tu('int f(int i) { return 7; }', all_warnings=True)
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self.assertEqual(len(tu.diagnostics), 1)
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d = tu.diagnostics[0]
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self.assertEqual(d.option, '-Wunused-parameter')
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self.assertEqual(d.disable_option, '-Wno-unused-parameter')
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def test_diagnostic_children(self):
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tu = get_tu('void f(int x) {} void g() { f(); }')
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self.assertEqual(len(tu.diagnostics), 1)
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d = tu.diagnostics[0]
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children = d.children
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self.assertEqual(len(children), 1)
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self.assertEqual(children[0].severity, Diagnostic.Note)
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self.assertRegexpMatches(children[0].spelling,
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'.*declared here')
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self.assertEqual(children[0].location.line, 1)
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self.assertEqual(children[0].location.column, 1)
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def test_diagnostic_string_repr(self):
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tu = get_tu('struct MissingSemicolon{}')
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self.assertEqual(len(tu.diagnostics), 1)
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d = tu.diagnostics[0]
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self.assertEqual(repr(d), '<Diagnostic severity 3, location <SourceLocation file \'t.c\', line 1, column 26>, spelling "expected \';\' after struct">')
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