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