first commit

server/node_modules/node-gyp/gyp/pylib/gyp/common_test.py

@@ -0,0 +1,78 @@
+#!/usr/bin/env python3
+
+# Copyright (c) 2012 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.
+
+"""Unit tests for the common.py file."""
+
+import gyp.common
+import unittest
+import sys
+
+
+class TestTopologicallySorted(unittest.TestCase):
+    def test_Valid(self):
+        """Test that sorting works on a valid graph with one possible order."""
+        graph = {
+            "a": ["b", "c"],
+            "b": [],
+            "c": ["d"],
+            "d": ["b"],
+        }
+
+        def GetEdge(node):
+            return tuple(graph[node])
+
+        self.assertEqual(
+            gyp.common.TopologicallySorted(graph.keys(), GetEdge), ["a", "c", "d", "b"]
+        )
+
+    def test_Cycle(self):
+        """Test that an exception is thrown on a cyclic graph."""
+        graph = {
+            "a": ["b"],
+            "b": ["c"],
+            "c": ["d"],
+            "d": ["a"],
+        }
+
+        def GetEdge(node):
+            return tuple(graph[node])
+
+        self.assertRaises(
+            gyp.common.CycleError, gyp.common.TopologicallySorted, graph.keys(), GetEdge
+        )
+
+
+class TestGetFlavor(unittest.TestCase):
+    """Test that gyp.common.GetFlavor works as intended"""
+
+    original_platform = ""
+
+    def setUp(self):
+        self.original_platform = sys.platform
+
+    def tearDown(self):
+        sys.platform = self.original_platform
+
+    def assertFlavor(self, expected, argument, param):
+        sys.platform = argument
+        self.assertEqual(expected, gyp.common.GetFlavor(param))
+
+    def test_platform_default(self):
+        self.assertFlavor("freebsd", "freebsd9", {})
+        self.assertFlavor("freebsd", "freebsd10", {})
+        self.assertFlavor("openbsd", "openbsd5", {})
+        self.assertFlavor("solaris", "sunos5", {})
+        self.assertFlavor("solaris", "sunos", {})
+        self.assertFlavor("linux", "linux2", {})
+        self.assertFlavor("linux", "linux3", {})
+        self.assertFlavor("linux", "linux", {})
+
+    def test_param(self):
+        self.assertFlavor("foobar", "linux2", {"flavor": "foobar"})
+
+
+if __name__ == "__main__":
+    unittest.main()