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#!/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()
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