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# Copyright 2017 The Bazel Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Unit tests for sets.bzl."""
load("//lib:sets.bzl", "sets")
load("//lib:unittest.bzl", "asserts", "unittest")
def _is_equal_test(ctx):
"""Unit tests for sets.is_equal."""
# Note that if this test fails, the results for the other `sets` tests will
# be inconclusive because they use `asserts.set_equals`, which in turn calls
# `sets.is_equal`.
env = unittest.begin(ctx)
asserts.true(env, sets.is_equal([], []))
asserts.false(env, sets.is_equal([], [1]))
asserts.false(env, sets.is_equal([1], []))
asserts.true(env, sets.is_equal([1], [1]))
asserts.false(env, sets.is_equal([1], [1, 2]))
asserts.false(env, sets.is_equal([1], [2]))
asserts.false(env, sets.is_equal([1], depset([1, 2])))
# Verify that the implementation is not using == on the sets directly.
asserts.true(env, sets.is_equal(depset([1]), depset([1])))
# If passing a list, verify that duplicate elements are ignored.
asserts.true(env, sets.is_equal([1, 1], [1]))
unittest.end(env)
is_equal_test = unittest.make(_is_equal_test)
def _is_subset_test(ctx):
"""Unit tests for sets.is_subset."""
env = unittest.begin(ctx)
asserts.true(env, sets.is_subset([], []))
asserts.true(env, sets.is_subset([], [1]))
asserts.false(env, sets.is_subset([1], []))
asserts.true(env, sets.is_subset([1], [1]))
asserts.true(env, sets.is_subset([1], [1, 2]))
asserts.false(env, sets.is_subset([1], [2]))
asserts.true(env, sets.is_subset([1], depset([1, 2])))
# If passing a list, verify that duplicate elements are ignored.
asserts.true(env, sets.is_subset([1, 1], [1, 2]))
unittest.end(env)
is_subset_test = unittest.make(_is_subset_test)
def _disjoint_test(ctx):
"""Unit tests for sets.disjoint."""
env = unittest.begin(ctx)
asserts.true(env, sets.disjoint([], []))
asserts.true(env, sets.disjoint([], [1]))
asserts.true(env, sets.disjoint([1], []))
asserts.false(env, sets.disjoint([1], [1]))
asserts.false(env, sets.disjoint([1], [1, 2]))
asserts.true(env, sets.disjoint([1], [2]))
asserts.true(env, sets.disjoint([1], depset([2])))
# If passing a list, verify that duplicate elements are ignored.
asserts.false(env, sets.disjoint([1, 1], [1, 2]))
unittest.end(env)
disjoint_test = unittest.make(_disjoint_test)
def _intersection_test(ctx):
"""Unit tests for sets.intersection."""
env = unittest.begin(ctx)
asserts.set_equals(env, [], sets.intersection([], []))
asserts.set_equals(env, [], sets.intersection([], [1]))
asserts.set_equals(env, [], sets.intersection([1], []))
asserts.set_equals(env, [1], sets.intersection([1], [1]))
asserts.set_equals(env, [1], sets.intersection([1], [1, 2]))
asserts.set_equals(env, [], sets.intersection([1], [2]))
asserts.set_equals(env, [1], sets.intersection([1], depset([1])))
# If passing a list, verify that duplicate elements are ignored.
asserts.set_equals(env, [1], sets.intersection([1, 1], [1, 2]))
unittest.end(env)
intersection_test = unittest.make(_intersection_test)
def _union_test(ctx):
"""Unit tests for sets.union."""
env = unittest.begin(ctx)
asserts.set_equals(env, [], sets.union())
asserts.set_equals(env, [1], sets.union([1]))
asserts.set_equals(env, [], sets.union([], []))
asserts.set_equals(env, [1], sets.union([], [1]))
asserts.set_equals(env, [1], sets.union([1], []))
asserts.set_equals(env, [1], sets.union([1], [1]))
asserts.set_equals(env, [1, 2], sets.union([1], [1, 2]))
asserts.set_equals(env, [1, 2], sets.union([1], [2]))
asserts.set_equals(env, [1], sets.union([1], depset([1])))
# If passing a list, verify that duplicate elements are ignored.
asserts.set_equals(env, [1, 2], sets.union([1, 1], [1, 2]))
unittest.end(env)
union_test = unittest.make(_union_test)
def _difference_test(ctx):
"""Unit tests for sets.difference."""
env = unittest.begin(ctx)
asserts.set_equals(env, [], sets.difference([], []))
asserts.set_equals(env, [], sets.difference([], [1]))
asserts.set_equals(env, [1], sets.difference([1], []))
asserts.set_equals(env, [], sets.difference([1], [1]))
asserts.set_equals(env, [], sets.difference([1], [1, 2]))
asserts.set_equals(env, [1], sets.difference([1], [2]))
asserts.set_equals(env, [], sets.difference([1], depset([1])))
# If passing a list, verify that duplicate elements are ignored.
asserts.set_equals(env, [2], sets.difference([1, 2], [1, 1]))
unittest.end(env)
difference_test = unittest.make(_difference_test)
def sets_test_suite():
"""Creates the test targets and test suite for sets.bzl tests."""
unittest.suite(
"sets_tests",
disjoint_test,
intersection_test,
is_equal_test,
is_subset_test,
difference_test,
union_test,
)