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# 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 partial.bzl."""
load("//lib:partial.bzl", "partial")
load("//lib:unittest.bzl", "asserts", "unittest")
def _make_noargs_nokwargs():
"""Test utility for no args no kwargs case"""
return 1
def _make_args_nokwargs(arg1, arg2, arg3):
"""Test utility for args no kwargs case"""
return arg1 + arg2 + arg3
def _make_args_kwargs(arg1, arg2, arg3, **kwargs):
"""Test utility for args and kwargs case"""
return arg1 + arg2 + arg3 + kwargs["x"] + kwargs["y"]
def _call_noargs_nokwargs(call_arg1):
"""Test utility no args no kwargs case where values passed from call site"""
return call_arg1
def _call_args_nokwargs(func_arg1, call_arg1):
"""Test utility for args no kwargs case where values passed from call site"""
return func_arg1 + call_arg1
def _call_args_kwargs(func_arg1, call_arg1, func_mult, call_mult):
"""Test utility for args and kwargs case where values passed from call site"""
return (func_arg1 + call_arg1) * func_mult * call_mult
def _make_call_test(ctx):
"""Unit tests for partial.make and partial.call."""
env = unittest.begin(ctx)
# Test cases where there are no args (or kwargs) at the make site, only
# at the call site.
foo = partial.make(_make_noargs_nokwargs)
asserts.equals(env, 1, partial.call(foo))
foo = partial.make(_make_args_nokwargs)
asserts.equals(env, 6, partial.call(foo, 1, 2, 3))
foo = partial.make(_make_args_kwargs)
asserts.equals(env, 15, partial.call(foo, 1, 2, 3, x = 4, y = 5))
# Test cases where there are args (and/or kwargs) at the make site and the
# call site.
foo = partial.make(_call_noargs_nokwargs, 100)
asserts.equals(env, 100, partial.call(foo))
foo = partial.make(_call_args_nokwargs, 100)
asserts.equals(env, 112, partial.call(foo, 12))
foo = partial.make(_call_args_kwargs, 100, func_mult = 10)
asserts.equals(env, 2240, partial.call(foo, 12, call_mult = 2))
# Test case where there are args and kwargs ath the make site, and the call
# site overrides some make site args.
foo = partial.make(_call_args_kwargs, 100, func_mult = 10)
asserts.equals(env, 1120, partial.call(foo, 12, func_mult = 5, call_mult = 2))
return unittest.end(env)
make_call_test = unittest.make(_make_call_test)
def _is_instance_test(ctx):
"""Unit test for partial.is_instance."""
env = unittest.begin(ctx)
# We happen to use make_call_test here, but it could be any valid test rule.
asserts.true(env, partial.is_instance(partial.make(make_call_test)))
asserts.true(env, partial.is_instance(partial.make(make_call_test, timeout = "short")))
asserts.true(env, partial.is_instance(partial.make(make_call_test, timeout = "short", tags = ["foo"])))
asserts.false(env, partial.is_instance(None))
asserts.false(env, partial.is_instance({}))
asserts.false(env, partial.is_instance(struct(foo = 1)))
asserts.false(env, partial.is_instance(struct(function = "not really function")))
return unittest.end(env)
is_instance_test = unittest.make(_is_instance_test)
def partial_test_suite():
"""Creates the test targets and test suite for partial.bzl tests."""
unittest.suite(
"partial_tests",
make_call_test,
is_instance_test,
)
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