Add test for missing defaults modules with AllowMissingDependencies

// Copyright 2019 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"

	"github.com/google/blueprint/proptools"

)

type defaultsTestProperties struct {

	Foo []string

}

type defaultsTestModule struct {

	ModuleBase

	DefaultableModuleBase

	properties defaultsTestProperties

}

func (d *defaultsTestModule) GenerateAndroidBuildActions(ctx ModuleContext) {

	ctx.Build(pctx, BuildParams{

		Rule:   Touch,

		Output: PathForModuleOut(ctx, "out"),

	})

}

func defaultsTestModuleFactory() Module {

	module := &defaultsTestModule{}

	module.AddProperties(&module.properties)

	InitDefaultableModule(module)

	InitAndroidModule(module)

	return module

}

type defaultsTestDefaults struct {

	ModuleBase

	DefaultsModuleBase

}

func defaultsTestDefaultsFactory() Module {

	defaults := &defaultsTestDefaults{}

	defaults.AddProperties(&defaultsTestProperties{})

	InitDefaultsModule(defaults)

	return defaults

}

func TestDefaultsAllowMissingDependencies(t *testing.T) {

	config := TestConfig(buildDir, nil)

	config.TestProductVariables.Allow_missing_dependencies = proptools.BoolPtr(true)

	ctx := NewTestContext()

	ctx.SetAllowMissingDependencies(true)

	ctx.RegisterModuleType("test", ModuleFactoryAdaptor(defaultsTestModuleFactory))

	ctx.RegisterModuleType("defaults", ModuleFactoryAdaptor(defaultsTestDefaultsFactory))

	ctx.PreArchMutators(RegisterDefaultsPreArchMutators)

	ctx.Register()

	bp := `

		defaults {

			name: "defaults",

			defaults: ["missing"],

			foo: ["defaults"],

		}

		test {

			name: "missing_defaults",

			defaults: ["missing"],

			foo: ["module"],

		}

		test {

			name: "missing_transitive_defaults",

			defaults: ["defaults"],

			foo: ["module"],

		}

	`

	ctx.MockFileSystem(map[string][]byte{

		"Android.bp": []byte(bp),

	})

	_, errs := ctx.ParseFileList(".", []string{"Android.bp"})

	FailIfErrored(t, errs)

	_, errs = ctx.PrepareBuildActions(config)

	FailIfErrored(t, errs)

	missingDefaults := ctx.ModuleForTests("missing_defaults", "").Output("out")

	missingTransitiveDefaults := ctx.ModuleForTests("missing_transitive_defaults", "").Output("out")

	if missingDefaults.Rule != ErrorRule {

		t.Errorf("expected missing_defaults rule to be ErrorRule, got %#v", missingDefaults.Rule)

	}

	if g, w := missingDefaults.Args["error"], "module missing_defaults missing dependencies: missing\n"; g != w {

		t.Errorf("want error %q, got %q", w, g)

	}

	// TODO: missing transitive defaults is currently not handled

	_ = missingTransitiveDefaults

}