270 lines
9.8 KiB
Python
270 lines
9.8 KiB
Python
# Copyright 2018 The Bazel Authors. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Unit tests for new_sets.bzl."""
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load("//lib:new_sets.bzl", "sets")
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load("//lib:unittest.bzl", "asserts", "unittest")
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def _is_equal_test(ctx):
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"""Unit tests for sets.is_equal."""
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# Note that if this test fails, the results for the other `sets` tests will
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# be inconclusive because they use `asserts.new_set_equals`, which in turn
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# calls `sets.is_equal`.
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env = unittest.begin(ctx)
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asserts.true(env, sets.is_equal(sets.make(), sets.make()))
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asserts.false(env, sets.is_equal(sets.make(), sets.make([1])))
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asserts.false(env, sets.is_equal(sets.make([1]), sets.make()))
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asserts.true(env, sets.is_equal(sets.make([1]), sets.make([1])))
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asserts.false(env, sets.is_equal(sets.make([1]), sets.make([1, 2])))
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asserts.false(env, sets.is_equal(sets.make([1]), sets.make([2])))
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asserts.false(env, sets.is_equal(sets.make([1]), sets.make([1, 2])))
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# If passing a list, verify that duplicate elements are ignored.
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asserts.true(env, sets.is_equal(sets.make([1, 1]), sets.make([1])))
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return unittest.end(env)
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is_equal_test = unittest.make(_is_equal_test)
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def _is_subset_test(ctx):
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"""Unit tests for sets.is_subset."""
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env = unittest.begin(ctx)
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asserts.true(env, sets.is_subset(sets.make(), sets.make()))
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asserts.true(env, sets.is_subset(sets.make(), sets.make([1])))
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asserts.false(env, sets.is_subset(sets.make([1]), sets.make()))
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asserts.true(env, sets.is_subset(sets.make([1]), sets.make([1])))
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asserts.true(env, sets.is_subset(sets.make([1]), sets.make([1, 2])))
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asserts.false(env, sets.is_subset(sets.make([1]), sets.make([2])))
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# If passing a list, verify that duplicate elements are ignored.
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asserts.true(env, sets.is_subset(sets.make([1, 1]), sets.make([1, 2])))
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return unittest.end(env)
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is_subset_test = unittest.make(_is_subset_test)
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def _disjoint_test(ctx):
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"""Unit tests for sets.disjoint."""
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env = unittest.begin(ctx)
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asserts.true(env, sets.disjoint(sets.make(), sets.make()))
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asserts.true(env, sets.disjoint(sets.make(), sets.make([1])))
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asserts.true(env, sets.disjoint(sets.make([1]), sets.make()))
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asserts.false(env, sets.disjoint(sets.make([1]), sets.make([1])))
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asserts.false(env, sets.disjoint(sets.make([1]), sets.make([1, 2])))
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asserts.true(env, sets.disjoint(sets.make([1]), sets.make([2])))
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# If passing a list, verify that duplicate elements are ignored.
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asserts.false(env, sets.disjoint(sets.make([1, 1]), sets.make([1, 2])))
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return unittest.end(env)
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disjoint_test = unittest.make(_disjoint_test)
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def _intersection_test(ctx):
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"""Unit tests for sets.intersection."""
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env = unittest.begin(ctx)
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asserts.new_set_equals(env, sets.make(), sets.intersection(sets.make(), sets.make()))
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asserts.new_set_equals(env, sets.make(), sets.intersection(sets.make(), sets.make([1])))
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asserts.new_set_equals(env, sets.make(), sets.intersection(sets.make([1]), sets.make()))
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asserts.new_set_equals(env, sets.make([1]), sets.intersection(sets.make([1]), sets.make([1])))
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asserts.new_set_equals(env, sets.make([1]), sets.intersection(sets.make([1]), sets.make([1, 2])))
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asserts.new_set_equals(env, sets.make(), sets.intersection(sets.make([1]), sets.make([2])))
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# If passing a list, verify that duplicate elements are ignored.
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asserts.new_set_equals(env, sets.make([1]), sets.intersection(sets.make([1, 1]), sets.make([1, 2])))
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return unittest.end(env)
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intersection_test = unittest.make(_intersection_test)
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def _union_test(ctx):
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"""Unit tests for sets.union."""
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env = unittest.begin(ctx)
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asserts.new_set_equals(env, sets.make(), sets.union())
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asserts.new_set_equals(env, sets.make([1]), sets.union(sets.make([1])))
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asserts.new_set_equals(env, sets.make(), sets.union(sets.make(), sets.make()))
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asserts.new_set_equals(env, sets.make([1]), sets.union(sets.make(), sets.make([1])))
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asserts.new_set_equals(env, sets.make([1]), sets.union(sets.make([1]), sets.make()))
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asserts.new_set_equals(env, sets.make([1]), sets.union(sets.make([1]), sets.make([1])))
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asserts.new_set_equals(env, sets.make([1, 2]), sets.union(sets.make([1]), sets.make([1, 2])))
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asserts.new_set_equals(env, sets.make([1, 2]), sets.union(sets.make([1]), sets.make([2])))
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# If passing a list, verify that duplicate elements are ignored.
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asserts.new_set_equals(env, sets.make([1, 2]), sets.union(sets.make([1, 1]), sets.make([1, 2])))
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return unittest.end(env)
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union_test = unittest.make(_union_test)
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def _difference_test(ctx):
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"""Unit tests for sets.difference."""
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env = unittest.begin(ctx)
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asserts.new_set_equals(env, sets.make(), sets.difference(sets.make(), sets.make()))
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asserts.new_set_equals(env, sets.make(), sets.difference(sets.make(), sets.make([1])))
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asserts.new_set_equals(env, sets.make([1]), sets.difference(sets.make([1]), sets.make()))
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asserts.new_set_equals(env, sets.make(), sets.difference(sets.make([1]), sets.make([1])))
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asserts.new_set_equals(env, sets.make(), sets.difference(sets.make([1]), sets.make([1, 2])))
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asserts.new_set_equals(env, sets.make([1]), sets.difference(sets.make([1]), sets.make([2])))
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# If passing a list, verify that duplicate elements are ignored.
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asserts.new_set_equals(env, sets.make([2]), sets.difference(sets.make([1, 2]), sets.make([1, 1])))
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return unittest.end(env)
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difference_test = unittest.make(_difference_test)
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def _to_list_test(ctx):
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"""Unit tests for sets.to_list."""
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env = unittest.begin(ctx)
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asserts.equals(env, [], sets.to_list(sets.make()))
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asserts.equals(env, [1], sets.to_list(sets.make([1, 1, 1])))
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asserts.equals(env, [1, 2, 3], sets.to_list(sets.make([1, 2, 3])))
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return unittest.end(env)
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to_list_test = unittest.make(_to_list_test)
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def _make_test(ctx):
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"""Unit tests for sets.make."""
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env = unittest.begin(ctx)
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asserts.equals(env, {}, sets.make()._values)
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asserts.equals(env, {x: None for x in [1, 2, 3]}, sets.make([1, 1, 2, 2, 3, 3])._values)
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return unittest.end(env)
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make_test = unittest.make(_make_test)
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def _copy_test(ctx):
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"""Unit tests for sets.copy."""
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env = unittest.begin(ctx)
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asserts.new_set_equals(env, sets.copy(sets.make()), sets.make())
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asserts.new_set_equals(env, sets.copy(sets.make([1, 2, 3])), sets.make([1, 2, 3]))
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# Ensure mutating the copy does not mutate the original
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original = sets.make([1, 2, 3])
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copy = sets.copy(original)
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copy._values[5] = None
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asserts.false(env, sets.is_equal(original, copy))
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return unittest.end(env)
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copy_test = unittest.make(_copy_test)
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def _insert_test(ctx):
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"""Unit tests for sets.insert."""
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env = unittest.begin(ctx)
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asserts.new_set_equals(env, sets.make([1, 2, 3]), sets.insert(sets.make([1, 2]), 3))
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# Ensure mutating the inserted set does mutate the original set.
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original = sets.make([1, 2, 3])
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after_insert = sets.insert(original, 4)
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asserts.new_set_equals(
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env,
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original,
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after_insert,
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msg = "Insert creates a new set which is an O(n) operation, insert should be O(1).",
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)
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return unittest.end(env)
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insert_test = unittest.make(_insert_test)
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def _contains_test(ctx):
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"""Unit tests for sets.contains."""
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env = unittest.begin(ctx)
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asserts.false(env, sets.contains(sets.make(), 1))
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asserts.true(env, sets.contains(sets.make([1]), 1))
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asserts.true(env, sets.contains(sets.make([1, 2]), 1))
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asserts.false(env, sets.contains(sets.make([2, 3]), 1))
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return unittest.end(env)
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contains_test = unittest.make(_contains_test)
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def _length_test(ctx):
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"""Unit test for sets.length."""
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env = unittest.begin(ctx)
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asserts.equals(env, 0, sets.length(sets.make()))
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asserts.equals(env, 1, sets.length(sets.make([1])))
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asserts.equals(env, 2, sets.length(sets.make([1, 2])))
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return unittest.end(env)
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length_test = unittest.make(_length_test)
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def _remove_test(ctx):
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"""Unit test for sets.remove."""
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env = unittest.begin(ctx)
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asserts.new_set_equals(env, sets.make([1, 2]), sets.remove(sets.make([1, 2, 3]), 3))
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# Ensure mutating the inserted set does mutate the original set.
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original = sets.make([1, 2, 3])
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after_removal = sets.remove(original, 3)
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asserts.new_set_equals(env, original, after_removal)
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return unittest.end(env)
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remove_test = unittest.make(_remove_test)
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def _repr_str_test(ctx):
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"""Unit test for sets.repr and sets.str."""
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env = unittest.begin(ctx)
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asserts.equals(env, "[]", sets.repr(sets.make()))
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asserts.equals(env, "[1]", sets.repr(sets.make([1])))
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asserts.equals(env, "[1, 2]", sets.repr(sets.make([1, 2])))
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asserts.equals(env, "[]", sets.str(sets.make()))
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asserts.equals(env, "[1]", sets.str(sets.make([1])))
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asserts.equals(env, "[1, 2]", sets.str(sets.make([1, 2])))
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return unittest.end(env)
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repr_str_test = unittest.make(_repr_str_test)
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def new_sets_test_suite():
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"""Creates the test targets and test suite for new_sets.bzl tests."""
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unittest.suite(
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"new_sets_tests",
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disjoint_test,
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intersection_test,
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is_equal_test,
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is_subset_test,
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difference_test,
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union_test,
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to_list_test,
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make_test,
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copy_test,
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insert_test,
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contains_test,
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length_test,
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remove_test,
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repr_str_test,
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)
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