michael@0: # This Source Code Form is subject to the terms of the Mozilla Public
michael@0: # License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0: # You can obtain one at http://mozilla.org/MPL/2.0/.
michael@0: from __future__ import unicode_literals
michael@0: 
michael@0: import unittest
michael@0: 
michael@0: from mozunit import (
michael@0:     main,
michael@0: )
michael@0: 
michael@0: from dumbmake.dumbmake import (
michael@0:     add_extra_dependencies,
michael@0:     all_dependencies,
michael@0:     dependency_map,
michael@0:     indentation,
michael@0: )
michael@0: 
michael@0: class TestDumbmake(unittest.TestCase):
michael@0:     def test_indentation(self):
michael@0:         self.assertEqual(indentation(""), 0)
michael@0:         self.assertEqual(indentation("x"), 0)
michael@0:         self.assertEqual(indentation(" x"), 1)
michael@0:         self.assertEqual(indentation("\tx"), 1)
michael@0:         self.assertEqual(indentation(" \tx"), 2)
michael@0:         self.assertEqual(indentation("\t x"), 2)
michael@0:         self.assertEqual(indentation(" x  "), 1)
michael@0:         self.assertEqual(indentation("\tx\t"), 1)
michael@0:         self.assertEqual(indentation("  x"), 2)
michael@0:         self.assertEqual(indentation("    x"), 4)
michael@0: 
michael@0:     def test_dependency_map(self):
michael@0:         self.assertEqual(dependency_map([]), {})
michael@0:         self.assertEqual(dependency_map(["a"]), {"a": []})
michael@0:         self.assertEqual(dependency_map(["a", "b"]), {"a": [], "b": []})
michael@0:         self.assertEqual(dependency_map(["a", "b", "c"]), {"a": [], "b": [], "c": []})
michael@0:         # indentation
michael@0:         self.assertEqual(dependency_map(["a", "\tb", "a", "\tc"]), {"a": [], "b": ["a"], "c": ["a"]})
michael@0:         self.assertEqual(dependency_map(["a", "\tb", "\t\tc"]), {"a": [], "b": ["a"], "c": ["b", "a"]})
michael@0:         self.assertEqual(dependency_map(["a", "\tb", "\t\tc", "\td", "\te", "f"]), {"a": [], "b": ["a"], "c": ["b", "a"], "d": ["a"], "e": ["a"], "f": []})
michael@0:         # irregular indentation
michael@0:         self.assertEqual(dependency_map(["\ta", "b"]), {"a": [], "b": []})
michael@0:         self.assertEqual(dependency_map(["a", "\t\t\tb", "\t\tc"]), {"a": [], "b": ["a"], "c": ["a"]})
michael@0:         self.assertEqual(dependency_map(["a", "\t\tb", "\t\t\tc", "\t\td", "\te", "f"]), {"a": [], "b": ["a"], "c": ["b", "a"], "d": ["a"], "e": ["a"], "f": []})
michael@0:         # repetitions
michael@0:         self.assertEqual(dependency_map(["a", "\tb", "a", "\tb"]), {"a": [], "b": ["a"]})
michael@0:         self.assertEqual(dependency_map(["a", "\tb", "\t\tc", "b", "\td", "\t\te"]), {"a": [], "b": ["a"], "d": ["b"], "e": ["d", "b"], "c": ["b", "a"]})
michael@0:         # cycles are okay
michael@0:         self.assertEqual(dependency_map(["a", "\tb", "\t\ta"]), {"a": ["b", "a"], "b": ["a"]})
michael@0: 
michael@0:     def test_all_dependencies(self):
michael@0:         dm = {"a": [], "b": ["a"], "c": ["b", "a"], "d": ["a"], "e": ["a"], "f": []}
michael@0:         self.assertEqual(all_dependencies("a", dependency_map=dm), [])
michael@0:         self.assertEqual(all_dependencies("b", dependency_map=dm), ["a"])
michael@0:         self.assertEqual(all_dependencies("c", "a", "b", dependency_map=dm), ["b", "a"])
michael@0:         self.assertEqual(all_dependencies("d", dependency_map=dm), ["a"])
michael@0:         self.assertEqual(all_dependencies("d", "f", "c", dependency_map=dm), ["b", "a"])
michael@0:         self.assertEqual(all_dependencies("a", "b", dependency_map=dm), ["a"])
michael@0:         self.assertEqual(all_dependencies("b", "b", dependency_map=dm), ["a"])
michael@0: 
michael@0:     def test_missing_entry(self):
michael@0:         # a depends on b, which is missing
michael@0:         dm = {"a": ["b"]}
michael@0:         self.assertEqual(all_dependencies("a", dependency_map=dm), ["b"])
michael@0:         self.assertEqual(all_dependencies("a", "b", dependency_map=dm), ["b"])
michael@0:         self.assertEqual(all_dependencies("b", dependency_map=dm), [])
michael@0: 
michael@0:     def test_two_dependencies(self):
michael@0:         dm = {"a": ["c"], "b": ["c"], "c": []}
michael@0:         # suppose a and b both depend on c.  Then we want to build a and b before c...
michael@0:         self.assertEqual(all_dependencies("a", "b", dependency_map=dm), ["c"])
michael@0:         # ... but relative order is preserved.
michael@0:         self.assertEqual(all_dependencies("b", "a", dependency_map=dm), ["c"])
michael@0: 
michael@0:     def test_nested_dependencies(self):
michael@0:         # a depends on b depends on c depends on d
michael@0:         dm = {"a": ["b", "c", "d"], "b": ["c", "d"], "c": ["d"]}
michael@0:         self.assertEqual(all_dependencies("b", "a", dependency_map=dm), ["b", "c", "d"])
michael@0:         self.assertEqual(all_dependencies("c", "a", dependency_map=dm), ["b", "c", "d"])
michael@0: 
michael@0:     def test_add_extra_dependencies(self):
michael@0:         # a depends on b depends on c depends on d
michael@0:         dm = {"a": ["b", "c", "d"], "b": ["c", "d"], "c": ["d"]}
michael@0:         # Edge cases.
michael@0:         self.assertEqual(list(add_extra_dependencies([], dependency_map=dm)),
michael@0:                          [])
michael@0:         self.assertEqual(list(add_extra_dependencies([(None, "package")], dependency_map=dm)),
michael@0:                          [(None, "package")])
michael@0:         # Easy expansion.
michael@0:         self.assertEqual(list(add_extra_dependencies([("b", None)], dependency_map=dm)),
michael@0:                          [("b", None), ("c", None), ("d", None)])
michael@0:         # Expansion with two groups -- each group is handled independently.
michael@0:         self.assertEqual(list(add_extra_dependencies([("b", None),
michael@0:                                                       (None, "package"),
michael@0:                                                       ("c", None)], dependency_map=dm)),
michael@0:                          [("b", None), (None, "package"),
michael@0:                           ("c", None), ("d", None)])
michael@0:         # Two groups, no duplicate dependencies in each group.
michael@0:         self.assertEqual(list(add_extra_dependencies([("a", None), ("b", None),
michael@0:                                                       (None, "package"), (None, "install"),
michael@0:                                                       ("c", None), ("d", None)], dependency_map=dm)),
michael@0:                          [("a", None), ("b", None), (None, "package"),
michael@0:                           (None, "install"), ("c", None), ("d", None)])
michael@0: 
michael@0: if __name__ == '__main__':
michael@0:     main()