72 lines
2.3 KiB
Go
72 lines
2.3 KiB
Go
// Copyright 2020 Google Inc. 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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package android
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import (
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"testing"
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)
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func init() {
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// This variable uses ExistentPathForSource on a PackageVarContext, which is a PathContext
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// that is not a PathGlobContext. That requires the deps to be stored in the Config.
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pctx.VariableFunc("test_ninja_deps_variable", func(ctx PackageVarContext) string {
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// Using ExistentPathForSource to look for a file that does not exist in a directory that
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// does exist (test_ninja_deps) from a PackageVarContext adds a dependency from build.ninja
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// to the directory.
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if ExistentPathForSource(ctx, "test_ninja_deps/does_not_exist").Valid() {
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return "true"
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} else {
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return "false"
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}
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})
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}
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func testNinjaDepsSingletonFactory() Singleton {
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return testNinjaDepsSingleton{}
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}
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type testNinjaDepsSingleton struct{}
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func (testNinjaDepsSingleton) GenerateBuildActions(ctx SingletonContext) {
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// Reference the test_ninja_deps_variable in a build statement so Blueprint is forced to
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// evaluate it.
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ctx.Build(pctx, BuildParams{
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Rule: Cp,
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Input: PathForTesting("foo"),
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Output: PathForOutput(ctx, "test_ninja_deps_out"),
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Args: map[string]string{
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"cpFlags": "${test_ninja_deps_variable}",
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},
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})
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}
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func TestNinjaDeps(t *testing.T) {
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fs := MockFS{
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"test_ninja_deps/exists": nil,
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}
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result := GroupFixturePreparers(
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FixtureRegisterWithContext(func(ctx RegistrationContext) {
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ctx.RegisterSingletonType("test_ninja_deps_singleton", testNinjaDepsSingletonFactory)
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ctx.RegisterSingletonType("ninja_deps_singleton", ninjaDepsSingletonFactory)
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}),
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fs.AddToFixture(),
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).RunTest(t)
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// Verify that the ninja file has a dependency on the test_ninja_deps directory.
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if g, w := result.NinjaDeps, "test_ninja_deps"; !InList(w, g) {
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t.Errorf("expected %q in %q", w, g)
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}
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}
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