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bazel-skylib/tests/types_tests.bzl
TechSY730 3154dbbc41 Add types.is_set() to test whether an arbitrary object is a set as defined by new_sets.bzl. (#181)
* Add sets.is_set() to test whether an arbitrary object is a set.

Since using sets requires special API, it can be useful to determine
whether an object is a set so special handling can be used.
For example, if a method wants to be able to take a list or a set.
2019-09-17 10:21:44 -04:00

249 lines
7.4 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 types.bzl."""
load("//lib:types.bzl", "types")
load("//lib:unittest.bzl", "asserts", "unittest")
load("//lib:new_sets.bzl", "sets")
def _a_function():
"""A dummy function for testing."""
pass
def _is_string_test(ctx):
"""Unit tests for types.is_string."""
env = unittest.begin(ctx)
asserts.true(env, types.is_string(""))
asserts.true(env, types.is_string("string"))
asserts.false(env, types.is_string(4))
asserts.false(env, types.is_string([1]))
asserts.false(env, types.is_string({}))
asserts.false(env, types.is_string(()))
asserts.false(env, types.is_string(True))
asserts.false(env, types.is_string(None))
asserts.false(env, types.is_string(_a_function))
asserts.false(env, types.is_string(depset()))
return unittest.end(env)
is_string_test = unittest.make(_is_string_test)
def _is_bool_test(ctx):
"""Unit tests for types.is_bool."""
env = unittest.begin(ctx)
asserts.true(env, types.is_bool(True))
asserts.true(env, types.is_bool(False))
asserts.false(env, types.is_bool(4))
asserts.false(env, types.is_bool([1]))
asserts.false(env, types.is_bool({}))
asserts.false(env, types.is_bool(()))
asserts.false(env, types.is_bool(""))
asserts.false(env, types.is_bool(None))
asserts.false(env, types.is_bool(_a_function))
asserts.false(env, types.is_bool(depset()))
return unittest.end(env)
is_bool_test = unittest.make(_is_bool_test)
def _is_list_test(ctx):
"""Unit tests for types.is_list."""
env = unittest.begin(ctx)
asserts.true(env, types.is_list([]))
asserts.true(env, types.is_list([1]))
asserts.false(env, types.is_list(4))
asserts.false(env, types.is_list("s"))
asserts.false(env, types.is_list({}))
asserts.false(env, types.is_list(()))
asserts.false(env, types.is_list(True))
asserts.false(env, types.is_list(None))
asserts.false(env, types.is_list(_a_function))
asserts.false(env, types.is_list(depset()))
return unittest.end(env)
is_list_test = unittest.make(_is_list_test)
def _is_none_test(ctx):
"""Unit tests for types.is_none."""
env = unittest.begin(ctx)
asserts.true(env, types.is_none(None))
asserts.false(env, types.is_none(4))
asserts.false(env, types.is_none("s"))
asserts.false(env, types.is_none({}))
asserts.false(env, types.is_none(()))
asserts.false(env, types.is_none(True))
asserts.false(env, types.is_none([]))
asserts.false(env, types.is_none([1]))
asserts.false(env, types.is_none(_a_function))
asserts.false(env, types.is_none(depset()))
return unittest.end(env)
is_none_test = unittest.make(_is_none_test)
def _is_int_test(ctx):
"""Unit tests for types.is_int."""
env = unittest.begin(ctx)
asserts.true(env, types.is_int(1))
asserts.true(env, types.is_int(-1))
asserts.false(env, types.is_int("s"))
asserts.false(env, types.is_int({}))
asserts.false(env, types.is_int(()))
asserts.false(env, types.is_int(True))
asserts.false(env, types.is_int([]))
asserts.false(env, types.is_int([1]))
asserts.false(env, types.is_int(None))
asserts.false(env, types.is_int(_a_function))
asserts.false(env, types.is_int(depset()))
return unittest.end(env)
is_int_test = unittest.make(_is_int_test)
def _is_tuple_test(ctx):
"""Unit tests for types.is_tuple."""
env = unittest.begin(ctx)
asserts.true(env, types.is_tuple(()))
asserts.true(env, types.is_tuple((1,)))
asserts.false(env, types.is_tuple(1))
asserts.false(env, types.is_tuple("s"))
asserts.false(env, types.is_tuple({}))
asserts.false(env, types.is_tuple(True))
asserts.false(env, types.is_tuple([]))
asserts.false(env, types.is_tuple([1]))
asserts.false(env, types.is_tuple(None))
asserts.false(env, types.is_tuple(_a_function))
asserts.false(env, types.is_tuple(depset()))
return unittest.end(env)
is_tuple_test = unittest.make(_is_tuple_test)
def _is_dict_test(ctx):
"""Unit tests for types.is_dict."""
env = unittest.begin(ctx)
asserts.true(env, types.is_dict({}))
asserts.true(env, types.is_dict({"key": "value"}))
asserts.false(env, types.is_dict(1))
asserts.false(env, types.is_dict("s"))
asserts.false(env, types.is_dict(()))
asserts.false(env, types.is_dict(True))
asserts.false(env, types.is_dict([]))
asserts.false(env, types.is_dict([1]))
asserts.false(env, types.is_dict(None))
asserts.false(env, types.is_dict(_a_function))
asserts.false(env, types.is_dict(depset()))
return unittest.end(env)
is_dict_test = unittest.make(_is_dict_test)
def _is_function_test(ctx):
"""Unit tests for types.is_function."""
env = unittest.begin(ctx)
asserts.true(env, types.is_function(_a_function))
asserts.false(env, types.is_function({}))
asserts.false(env, types.is_function(1))
asserts.false(env, types.is_function("s"))
asserts.false(env, types.is_function(()))
asserts.false(env, types.is_function(True))
asserts.false(env, types.is_function([]))
asserts.false(env, types.is_function([1]))
asserts.false(env, types.is_function(None))
asserts.false(env, types.is_function(depset()))
return unittest.end(env)
is_function_test = unittest.make(_is_function_test)
def _is_depset_test(ctx):
"""Unit tests for types.is_depset."""
env = unittest.begin(ctx)
asserts.true(env, types.is_depset(depset()))
asserts.true(env, types.is_depset(depset(["foo"])))
asserts.true(env, types.is_depset(
depset(["foo"], transitive = [depset(["bar", "baz"])]),
))
asserts.false(env, types.is_depset({}))
asserts.false(env, types.is_depset(1))
asserts.false(env, types.is_depset("s"))
asserts.false(env, types.is_depset(()))
asserts.false(env, types.is_depset(True))
asserts.false(env, types.is_depset([]))
asserts.false(env, types.is_depset([1]))
asserts.false(env, types.is_depset(None))
return unittest.end(env)
is_depset_test = unittest.make(_is_depset_test)
def _is_set_test(ctx):
"""Unit test for types.is_set."""
env = unittest.begin(ctx)
asserts.true(env, types.is_set(sets.make()))
asserts.true(env, types.is_set(sets.make([1])))
asserts.false(env, types.is_set(None))
asserts.false(env, types.is_set({}))
asserts.false(env, types.is_set(struct(foo = 1)))
asserts.false(env, types.is_set(struct(_values = "not really values")))
return unittest.end(env)
is_set_test = unittest.make(_is_set_test)
def types_test_suite():
"""Creates the test targets and test suite for types.bzl tests."""
unittest.suite(
"types_tests",
is_list_test,
is_string_test,
is_bool_test,
is_none_test,
is_int_test,
is_tuple_test,
is_dict_test,
is_function_test,
is_depset_test,
is_set_test,
)