1 files changed, 118 insertions, 0 deletions
diff --git a/tools/scan-build-py/tests/functional/cases/test_from_cmd.py b/tools/scan-build-py/tests/functional/cases/test_from_cmd.py
new file mode 100644
index 0000000000..fe7ecf6991
--- /dev/null
+++ b/tools/scan-build-py/tests/functional/cases/test_from_cmd.py
@@ -0,0 +1,118 @@
+# -*- coding: utf-8 -*-
+#                     The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+
+from ...unit import fixtures
+from . import make_args, check_call_and_report, create_empty_file
+import unittest
+
+import os
+import os.path
+import glob
+
+
+class OutputDirectoryTest(unittest.TestCase):
+
+    @staticmethod
+    def run_analyzer(outdir, args, cmd):
+        return check_call_and_report(
+            ['scan-build', '--intercept-first', '-o', outdir] + args,
+            cmd)
+
+    def test_regular_keeps_report_dir(self):
+        with fixtures.TempDir() as tmpdir:
+            make = make_args(tmpdir) + ['build_regular']
+            outdir = self.run_analyzer(tmpdir, [], make)
+            self.assertTrue(os.path.isdir(outdir))
+
+    def test_clear_deletes_report_dir(self):
+        with fixtures.TempDir() as tmpdir:
+            make = make_args(tmpdir) + ['build_clean']
+            outdir = self.run_analyzer(tmpdir, [], make)
+            self.assertFalse(os.path.isdir(outdir))
+
+    def test_clear_keeps_report_dir_when_asked(self):
+        with fixtures.TempDir() as tmpdir:
+            make = make_args(tmpdir) + ['build_clean']
+            outdir = self.run_analyzer(tmpdir, ['--keep-empty'], make)
+            self.assertTrue(os.path.isdir(outdir))
+
+
+class RunAnalyzerTest(unittest.TestCase):
+
+    @staticmethod
+    def get_plist_count(directory):
+        return len(glob.glob(os.path.join(directory, 'report-*.plist')))
+
+    def test_interposition_works(self):
+        with fixtures.TempDir() as tmpdir:
+            make = make_args(tmpdir) + ['build_regular']
+            outdir = check_call_and_report(
+                ['scan-build', '--plist', '-o', tmpdir, '--override-compiler'],
+                make)
+
+            self.assertTrue(os.path.isdir(outdir))
+            self.assertEqual(self.get_plist_count(outdir), 5)
+
+    def test_intercept_wrapper_works(self):
+        with fixtures.TempDir() as tmpdir:
+            make = make_args(tmpdir) + ['build_regular']
+            outdir = check_call_and_report(
+                ['scan-build', '--plist', '-o', tmpdir, '--intercept-first',
+                 '--override-compiler'],
+                make)
+
+            self.assertTrue(os.path.isdir(outdir))
+            self.assertEqual(self.get_plist_count(outdir), 5)
+
+    def test_intercept_library_works(self):
+        with fixtures.TempDir() as tmpdir:
+            make = make_args(tmpdir) + ['build_regular']
+            outdir = check_call_and_report(
+                ['scan-build', '--plist', '-o', tmpdir, '--intercept-first'],
+                make)
+
+            self.assertTrue(os.path.isdir(outdir))
+            self.assertEqual(self.get_plist_count(outdir), 5)
+
+    @staticmethod
+    def compile_empty_source_file(target_dir, is_cxx):
+        compiler = '$CXX' if is_cxx else '$CC'
+        src_file_name = 'test.cxx' if is_cxx else 'test.c'
+        src_file = os.path.join(target_dir, src_file_name)
+        obj_file = os.path.join(target_dir, 'test.o')
+        create_empty_file(src_file)
+        command = ' '.join([compiler, '-c', src_file, '-o', obj_file])
+        return ['sh', '-c', command]
+
+    def test_interposition_cc_works(self):
+        with fixtures.TempDir() as tmpdir:
+            outdir = check_call_and_report(
+                ['scan-build', '--plist', '-o', tmpdir, '--override-compiler'],
+                self.compile_empty_source_file(tmpdir, False))
+            self.assertEqual(self.get_plist_count(outdir), 1)
+
+    def test_interposition_cxx_works(self):
+        with fixtures.TempDir() as tmpdir:
+            outdir = check_call_and_report(
+                ['scan-build', '--plist', '-o', tmpdir, '--override-compiler'],
+                self.compile_empty_source_file(tmpdir, True))
+            self.assertEqual(self.get_plist_count(outdir), 1)
+
+    def test_intercept_cc_works(self):
+        with fixtures.TempDir() as tmpdir:
+            outdir = check_call_and_report(
+                ['scan-build', '--plist', '-o', tmpdir, '--override-compiler',
+                 '--intercept-first'],
+                self.compile_empty_source_file(tmpdir, False))
+            self.assertEqual(self.get_plist_count(outdir), 1)
+
+    def test_intercept_cxx_works(self):
+        with fixtures.TempDir() as tmpdir:
+            outdir = check_call_and_report(
+                ['scan-build', '--plist', '-o', tmpdir, '--override-compiler',
+                 '--intercept-first'],
+                self.compile_empty_source_file(tmpdir, True))
+            self.assertEqual(self.get_plist_count(outdir), 1)