bazel-skylib/tests/new_sets_tests.bzl

270 lines
9.7 KiB
Python

# Copyright 2018 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 new_sets.bzl."""
load("//lib:new_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.new_set_equals`, which in turn
# calls `sets.is_equal`.
env = unittest.begin(ctx)
asserts.true(env, sets.is_equal(sets.make(), sets.make()))
asserts.false(env, sets.is_equal(sets.make(), sets.make([1])))
asserts.false(env, sets.is_equal(sets.make([1]), sets.make()))
asserts.true(env, sets.is_equal(sets.make([1]), sets.make([1])))
asserts.false(env, sets.is_equal(sets.make([1]), sets.make([1, 2])))
asserts.false(env, sets.is_equal(sets.make([1]), sets.make([2])))
asserts.false(env, sets.is_equal(sets.make([1]), sets.make([1, 2])))
# If passing a list, verify that duplicate elements are ignored.
asserts.true(env, sets.is_equal(sets.make([1, 1]), sets.make([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(sets.make(), sets.make()))
asserts.true(env, sets.is_subset(sets.make(), sets.make([1])))
asserts.false(env, sets.is_subset(sets.make([1]), sets.make()))
asserts.true(env, sets.is_subset(sets.make([1]), sets.make([1])))
asserts.true(env, sets.is_subset(sets.make([1]), sets.make([1, 2])))
asserts.false(env, sets.is_subset(sets.make([1]), sets.make([2])))
# If passing a list, verify that duplicate elements are ignored.
asserts.true(env, sets.is_subset(sets.make([1, 1]), sets.make([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(sets.make(), sets.make()))
asserts.true(env, sets.disjoint(sets.make(), sets.make([1])))
asserts.true(env, sets.disjoint(sets.make([1]), sets.make()))
asserts.false(env, sets.disjoint(sets.make([1]), sets.make([1])))
asserts.false(env, sets.disjoint(sets.make([1]), sets.make([1, 2])))
asserts.true(env, sets.disjoint(sets.make([1]), sets.make([2])))
# If passing a list, verify that duplicate elements are ignored.
asserts.false(env, sets.disjoint(sets.make([1, 1]), sets.make([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.new_set_equals(env, sets.make(), sets.intersection(sets.make(), sets.make()))
asserts.new_set_equals(env, sets.make(), sets.intersection(sets.make(), sets.make([1])))
asserts.new_set_equals(env, sets.make(), sets.intersection(sets.make([1]), sets.make()))
asserts.new_set_equals(env, sets.make([1]), sets.intersection(sets.make([1]), sets.make([1])))
asserts.new_set_equals(env, sets.make([1]), sets.intersection(sets.make([1]), sets.make([1, 2])))
asserts.new_set_equals(env, sets.make(), sets.intersection(sets.make([1]), sets.make([2])))
# If passing a list, verify that duplicate elements are ignored.
asserts.new_set_equals(env, sets.make([1]), sets.intersection(sets.make([1, 1]), sets.make([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.new_set_equals(env, sets.make(), sets.union())
asserts.new_set_equals(env, sets.make([1]), sets.union(sets.make([1])))
asserts.new_set_equals(env, sets.make(), sets.union(sets.make(), sets.make()))
asserts.new_set_equals(env, sets.make([1]), sets.union(sets.make(), sets.make([1])))
asserts.new_set_equals(env, sets.make([1]), sets.union(sets.make([1]), sets.make()))
asserts.new_set_equals(env, sets.make([1]), sets.union(sets.make([1]), sets.make([1])))
asserts.new_set_equals(env, sets.make([1, 2]), sets.union(sets.make([1]), sets.make([1, 2])))
asserts.new_set_equals(env, sets.make([1, 2]), sets.union(sets.make([1]), sets.make([2])))
# If passing a list, verify that duplicate elements are ignored.
asserts.new_set_equals(env, sets.make([1, 2]), sets.union(sets.make([1, 1]), sets.make([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.new_set_equals(env, sets.make(), sets.difference(sets.make(), sets.make()))
asserts.new_set_equals(env, sets.make(), sets.difference(sets.make(), sets.make([1])))
asserts.new_set_equals(env, sets.make([1]), sets.difference(sets.make([1]), sets.make()))
asserts.new_set_equals(env, sets.make(), sets.difference(sets.make([1]), sets.make([1])))
asserts.new_set_equals(env, sets.make(), sets.difference(sets.make([1]), sets.make([1, 2])))
asserts.new_set_equals(env, sets.make([1]), sets.difference(sets.make([1]), sets.make([2])))
# If passing a list, verify that duplicate elements are ignored.
asserts.new_set_equals(env, sets.make([2]), sets.difference(sets.make([1, 2]), sets.make([1, 1])))
unittest.end(env)
difference_test = unittest.make(_difference_test)
def _to_list_test(ctx):
"""Unit tests for sets.to_list."""
env = unittest.begin(ctx)
asserts.equals(env, [], sets.to_list(sets.make()))
asserts.equals(env, [1], sets.to_list(sets.make([1, 1, 1])))
asserts.equals(env, [1, 2, 3], sets.to_list(sets.make([1, 2, 3])))
unittest.end(env)
to_list_test = unittest.make(_to_list_test)
def _make_test(ctx):
"""Unit tests for sets.make."""
env = unittest.begin(ctx)
asserts.equals(env, {}, sets.make()._values)
asserts.equals(env, {x: None for x in [1, 2, 3]}, sets.make([1, 1, 2, 2, 3, 3])._values)
unittest.end(env)
make_test = unittest.make(_make_test)
def _copy_test(ctx):
"""Unit tests for sets.copy."""
env = unittest.begin(ctx)
asserts.new_set_equals(env, sets.copy(sets.make()), sets.make())
asserts.new_set_equals(env, sets.copy(sets.make([1, 2, 3])), sets.make([1, 2, 3]))
# Ensure mutating the copy does not mutate the original
original = sets.make([1, 2, 3])
copy = sets.copy(original)
copy._values[5] = None
asserts.false(env, sets.is_equal(original, copy))
unittest.end(env)
copy_test = unittest.make(_copy_test)
def _insert_test(ctx):
"""Unit tests for sets.insert."""
env = unittest.begin(ctx)
asserts.new_set_equals(env, sets.make([1, 2, 3]), sets.insert(sets.make([1, 2]), 3))
# Ensure mutating the inserted set does mutate the original set.
original = sets.make([1, 2, 3])
after_insert = sets.insert(original, 4)
asserts.new_set_equals(
env,
original,
after_insert,
msg = "Insert creates a new set which is an O(n) operation, insert should be O(1).",
)
unittest.end(env)
insert_test = unittest.make(_insert_test)
def _contains_test(ctx):
"""Unit tests for sets.contains."""
env = unittest.begin(ctx)
asserts.false(env, sets.contains(sets.make(), 1))
asserts.true(env, sets.contains(sets.make([1]), 1))
asserts.true(env, sets.contains(sets.make([1, 2]), 1))
asserts.false(env, sets.contains(sets.make([2, 3]), 1))
unittest.end(env)
contains_test = unittest.make(_contains_test)
def _length_test(ctx):
"""Unit test for sets.length."""
env = unittest.begin(ctx)
asserts.equals(env, 0, sets.length(sets.make()))
asserts.equals(env, 1, sets.length(sets.make([1])))
asserts.equals(env, 2, sets.length(sets.make([1, 2])))
unittest.end(env)
length_test = unittest.make(_length_test)
def _remove_test(ctx):
"""Unit test for sets.remove."""
env = unittest.begin(ctx)
asserts.new_set_equals(env, sets.make([1, 2]), sets.remove(sets.make([1, 2, 3]), 3))
# Ensure mutating the inserted set does mutate the original set.
original = sets.make([1, 2, 3])
after_removal = sets.remove(original, 3)
asserts.new_set_equals(env, original, after_removal)
unittest.end(env)
remove_test = unittest.make(_remove_test)
def _repr_str_test(ctx):
"""Unit test for sets.repr and sets.str."""
env = unittest.begin(ctx)
asserts.equals(env, "[]", sets.repr(sets.make()))
asserts.equals(env, "[1]", sets.repr(sets.make([1])))
asserts.equals(env, "[1, 2]", sets.repr(sets.make([1, 2])))
asserts.equals(env, "[]", sets.str(sets.make()))
asserts.equals(env, "[1]", sets.str(sets.make([1])))
asserts.equals(env, "[1, 2]", sets.str(sets.make([1, 2])))
unittest.end(env)
repr_str_test = unittest.make(_repr_str_test)
def new_sets_test_suite():
"""Creates the test targets and test suite for new_sets.bzl tests."""
unittest.suite(
"new_sets_tests",
disjoint_test,
intersection_test,
is_equal_test,
is_subset_test,
difference_test,
union_test,
to_list_test,
make_test,
copy_test,
insert_test,
contains_test,
length_test,
remove_test,
repr_str_test,
)