First crack at adding a GYP_GENERATOR for determining various things

test/analyzer/gyptest-analyzer.py

Index: test/analyzer/gyptest-analyzer.py
diff --git a/test/analyzer/gyptest-analyzer.py b/test/analyzer/gyptest-analyzer.py
new file mode 100644
index 0000000000000000000000000000000000000000..a42748f0a2cf67b71d5cf9b84ba31f97bfc148f3
--- /dev/null
+++ b/test/analyzer/gyptest-analyzer.py
@@ -0,0 +1,76 @@
+#!/usr/bin/env python
+# Copyright (c) 2014 Google Inc. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+"""Tests for analyzer
+"""
+
+import TestGyp
+
+found = 'Found dependency\n'
+not_found = 'No dependencies\n'
+
+def __CreateTestFile(files):
+  f = open('test_file', 'w')
+  for file in files:
+    f.write(file + '\n')
+  f.close()
+
+test = TestGyp.TestGypCustom(format='analyzer')
+
+# Verifies file_path must be specified.
+test.run_gyp('test.gyp',
+             stdout='Must specify files to analyze via file_path generator '
+             'flag\n')
+
+# Trivial test of a source.
+__CreateTestFile(['foo.c'])
+test.run_gyp('test.gyp', '-Gfile_path=test_file', stdout=found)
+
+# Conditional source that is excluded.
+__CreateTestFile(['conditional_source.c'])
+test.run_gyp('test.gyp', '-Gfile_path=test_file', stdout=not_found)
+
+# Conditional source that is included by way of argument.
+__CreateTestFile(['conditional_source.c'])
+test.run_gyp('test.gyp', '-Gfile_path=test_file', '-Dtest_variable=1',
+             stdout=found)
+
+# Two unknown files.
+__CreateTestFile(['unknown1.c', 'unoknow2.cc'])
+test.run_gyp('test.gyp', '-Gfile_path=test_file', stdout=not_found)
+
+# Two unknown files.
+__CreateTestFile(['unknown1.c', 'subdir/subdir_sourcex.c'])
+test.run_gyp('test.gyp', '-Gfile_path=test_file', stdout=not_found)
+
+# Included dependency
+__CreateTestFile(['unknown1.c', 'subdir/subdir_source.c'])
+test.run_gyp('test.gyp', '-Gfile_path=test_file', stdout=found)
+
+# Included inputs to actions.
+__CreateTestFile(['action_input.c'])
+test.run_gyp('test.gyp', '-Gfile_path=test_file', stdout=found)
+
+# Don't consider outputs.
+__CreateTestFile(['action_output.c'])
+test.run_gyp('test.gyp', '-Gfile_path=test_file', stdout=not_found)
+
+# Rule inputs.
+__CreateTestFile(['rule_input.c'])
+test.run_gyp('test.gyp', '-Gfile_path=test_file', stdout=found)
+
+# Ignore patch specified with PRODUCT_DIR.
+__CreateTestFile(['product_dir_input.c'])
+test.run_gyp('test.gyp', '-Gfile_path=test_file', stdout=not_found)
+
+# Path specified via a variable.
+__CreateTestFile(['subdir/subdir_source2.c'])
+test.run_gyp('test.gyp', '-Gfile_path=test_file', stdout=found)
+
+# Verifies paths with // are fixed up correctly.
+__CreateTestFile(['parent_source.c'])
+test.run_gyp('test.gyp', '-Gfile_path=test_file', stdout=found)
+
+test.pass_test()