111 lines
4.9 KiB
Python
111 lines
4.9 KiB
Python
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import os
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from clang.cindex import Config
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if 'CLANG_LIBRARY_PATH' in os.environ:
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Config.set_library_path(os.environ['CLANG_LIBRARY_PATH'])
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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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'non-void function does not return a value')
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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.assertRegex(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"; }')
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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.assertRegex(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, 23)
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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.assertRegex(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, 6)
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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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