import os from clang.cindex import Config if "CLANG_LIBRARY_PATH" in os.environ: Config.set_library_path(os.environ["CLANG_LIBRARY_PATH"]) from clang.cindex import * from .util import get_tu import unittest # FIXME: We need support for invalid translation units to test better. class TestDiagnostics(unittest.TestCase): def test_diagnostic_warning(self): tu = get_tu("int f0() {}\n") self.assertEqual(len(tu.diagnostics), 1) self.assertEqual(tu.diagnostics[0].severity, Diagnostic.Warning) self.assertEqual(tu.diagnostics[0].location.line, 1) self.assertEqual(tu.diagnostics[0].location.column, 11) self.assertEqual( tu.diagnostics[0].spelling, "non-void function does not return a value" ) def test_diagnostic_note(self): # FIXME: We aren't getting notes here for some reason. tu = get_tu("#define A x\nvoid *A = 1;\n") self.assertEqual(len(tu.diagnostics), 1) self.assertEqual(tu.diagnostics[0].severity, Diagnostic.Error) self.assertEqual(tu.diagnostics[0].location.line, 2) self.assertEqual(tu.diagnostics[0].location.column, 7) self.assertIn("incompatible", tu.diagnostics[0].spelling) # self.assertEqual(tu.diagnostics[1].severity, Diagnostic.Note) # self.assertEqual(tu.diagnostics[1].location.line, 1) # self.assertEqual(tu.diagnostics[1].location.column, 11) # self.assertEqual(tu.diagnostics[1].spelling, 'instantiated from') def test_diagnostic_fixit(self): tu = get_tu("struct { int f0; } x = { f0 : 1 };") self.assertEqual(len(tu.diagnostics), 1) self.assertEqual(tu.diagnostics[0].severity, Diagnostic.Warning) self.assertEqual(tu.diagnostics[0].location.line, 1) self.assertEqual(tu.diagnostics[0].location.column, 26) self.assertRegex(tu.diagnostics[0].spelling, "use of GNU old-style.*") self.assertEqual(len(tu.diagnostics[0].fixits), 1) self.assertEqual(tu.diagnostics[0].fixits[0].range.start.line, 1) self.assertEqual(tu.diagnostics[0].fixits[0].range.start.column, 26) self.assertEqual(tu.diagnostics[0].fixits[0].range.end.line, 1) self.assertEqual(tu.diagnostics[0].fixits[0].range.end.column, 30) self.assertEqual(tu.diagnostics[0].fixits[0].value, ".f0 = ") def test_diagnostic_range(self): tu = get_tu('void f() { int i = "a"; }') self.assertEqual(len(tu.diagnostics), 1) self.assertEqual(tu.diagnostics[0].severity, Diagnostic.Error) self.assertEqual(tu.diagnostics[0].location.line, 1) self.assertEqual(tu.diagnostics[0].location.column, 16) self.assertRegex(tu.diagnostics[0].spelling, "incompatible pointer to.*") self.assertEqual(len(tu.diagnostics[0].fixits), 0) self.assertEqual(len(tu.diagnostics[0].ranges), 1) self.assertEqual(tu.diagnostics[0].ranges[0].start.line, 1) self.assertEqual(tu.diagnostics[0].ranges[0].start.column, 20) self.assertEqual(tu.diagnostics[0].ranges[0].end.line, 1) self.assertEqual(tu.diagnostics[0].ranges[0].end.column, 23) with self.assertRaises(IndexError): tu.diagnostics[0].ranges[1].start.line def test_diagnostic_category(self): """Ensure that category properties work.""" tu = get_tu("int f(int i) { return 7; }", all_warnings=True) self.assertEqual(len(tu.diagnostics), 1) d = tu.diagnostics[0] self.assertEqual(d.severity, Diagnostic.Warning) self.assertEqual(d.location.line, 1) self.assertEqual(d.location.column, 11) self.assertEqual(d.category_number, 2) self.assertEqual(d.category_name, "Semantic Issue") def test_diagnostic_option(self): """Ensure that category option properties work.""" tu = get_tu("int f(int i) { return 7; }", all_warnings=True) self.assertEqual(len(tu.diagnostics), 1) d = tu.diagnostics[0] self.assertEqual(d.option, "-Wunused-parameter") self.assertEqual(d.disable_option, "-Wno-unused-parameter") def test_diagnostic_children(self): tu = get_tu("void f(int x) {} void g() { f(); }") self.assertEqual(len(tu.diagnostics), 1) d = tu.diagnostics[0] children = d.children self.assertEqual(len(children), 1) self.assertEqual(children[0].severity, Diagnostic.Note) self.assertRegex(children[0].spelling, ".*declared here") self.assertEqual(children[0].location.line, 1) self.assertEqual(children[0].location.column, 6) def test_diagnostic_string_repr(self): tu = get_tu("struct MissingSemicolon{}") self.assertEqual(len(tu.diagnostics), 1) d = tu.diagnostics[0] self.assertEqual( repr(d), ", spelling \"expected ';' after struct\">", )