Add tests for cppcheck-htmlreport

2012-09-09 09:58:21 -07:00 · 2012-09-09 09:58:21 -07:00 · 3cb737131b
parent 37ac74d946
commit 3cb737131b
1 changed files with 89 additions and 0 deletions
--- a/htmlreport/test_htmlreport.py
+++ b/htmlreport/test_htmlreport.py
@ -0,0 +1,89 @@
+#!/usr/bin/env python
+"""Test cppcheck-htmlreport."""
+
+import os
+import contextlib
+import shutil
+import subprocess
+import sys
+import tempfile
+
+if sys.version_info < (2, 7):
+    # For TestCase.assertIn().
+    import unittest2 as unittest
+else:
+    import unittest
+
+ROOT_DIR = os.path.split(os.path.abspath(os.path.dirname(__file__)))[0]
+CPPCHECK_BIN = os.path.join(ROOT_DIR, 'cppcheck')
+
+HTML_REPORT_BIN = os.path.join(os.path.abspath(os.path.dirname(__file__)),
+                               'cppcheck-htmlreport')
+
+
+class TestHTMLReport(unittest.TestCase):
+
+    def testError(self):
+        with runCheck(os.path.join(
+                ROOT_DIR,
+                'samples', 'memleak', 'bad.c')) as (report, output_directory):
+            self.assertIn('<html>', report)
+
+            self.assertIn('Memory leak:', report)
+            self.assertIn('bad.c', report)
+
+            detail_filename = os.path.join(output_directory, '0.html')
+            self.assertTrue(
+                os.path.exists(detail_filename))
+
+            with open(detail_filename) as input_file:
+                detail_contents = input_file.read()
+                self.assertIn('<html>', detail_contents)
+                self.assertIn('Memory leak:', detail_contents)
+
+    def testNoError(self):
+        with runCheck(os.path.join(
+                ROOT_DIR,
+                'samples', 'memleak', 'good.c')) as (report, output_directory):
+            self.assertIn('<html>', report)
+
+            self.assertNotIn('Memory leak:', report)
+            self.assertNotIn('good.c', report)
+
+            self.assertFalse(
+                os.path.exists(os.path.join(output_directory, '0.html')))
+
+
+@contextlib.contextmanager
+def runCheck(source_file):
+    """Run cppcheck and cppcheck-htmlreport.
+
+    Yield a tuple containing the resulting HTML report index and the directory
+    path.
+
+    """
+    output_directory = tempfile.mkdtemp(dir='.')
+    xml_filename = os.path.join(output_directory, 'output.xml')
+
+    with open(xml_filename, 'w') as output_file:
+        subprocess.check_call(
+            [CPPCHECK_BIN, '--xml', source_file],
+            stderr=output_file)
+
+    assert os.path.exists(xml_filename)
+
+    subprocess.check_call(
+        [HTML_REPORT_BIN,
+         '--file=' + xml_filename,
+         '--report-dir=' + output_directory])
+
+    with open(os.path.join(output_directory, 'index.html')) as index_file:
+        index_contents = index_file.read()
+
+    yield (index_contents, output_directory)
+
+    shutil.rmtree(output_directory)
+
+
+if __name__ == '__main__':
+    unittest.main()