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// 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 (
"fmt"
"io"
"reflect"
"runtime"
"strings"
"testing"
"github.com/google/blueprint/proptools"
)
type customModule struct {
ModuleBase
properties struct {
Default_dist_files *string
Dist_output_file *bool
}
data AndroidMkData
distFiles TaggedDistFiles
outputFile OptionalPath
// The paths that will be used as the default dist paths if no tag is
// specified.
defaultDistPaths Paths
}
const (
defaultDistFiles_None = "none"
defaultDistFiles_Default = "default"
defaultDistFiles_Tagged = "tagged"
)
func (m *customModule) GenerateAndroidBuildActions(ctx ModuleContext) {
// If the dist_output_file: true then create an output file that is stored in
// the OutputFile property of the AndroidMkEntry.
if proptools.BoolDefault(m.properties.Dist_output_file, true) {
path := PathForTesting("dist-output-file.out")
m.outputFile = OptionalPathForPath(path)
// Previous code would prioritize the DistFiles property over the OutputFile
// property in AndroidMkEntry when determining the default dist paths.
// Setting this first allows it to be overridden based on the
// default_dist_files setting replicating that previous behavior.
m.defaultDistPaths = Paths{path}
}
// Based on the setting of the default_dist_files property possibly create a
// TaggedDistFiles structure that will be stored in the DistFiles property of
// the AndroidMkEntry.
defaultDistFiles := proptools.StringDefault(m.properties.Default_dist_files, defaultDistFiles_Tagged)
switch defaultDistFiles {
case defaultDistFiles_None:
// Do nothing
case defaultDistFiles_Default:
path := PathForTesting("default-dist.out")
m.defaultDistPaths = Paths{path}
m.distFiles = MakeDefaultDistFiles(path)
case defaultDistFiles_Tagged:
// Module types that set AndroidMkEntry.DistFiles to the result of calling
// GenerateTaggedDistFiles(ctx) relied on no tag being treated as "" which
// meant that the default dist paths would be whatever was returned by
// OutputFiles(""). In order to preserve that behavior when treating no tag
// as being equal to DefaultDistTag this ensures that
// OutputFiles(DefaultDistTag) will return the same as OutputFiles("").
m.defaultDistPaths = PathsForTesting("one.out")
// This must be called after setting defaultDistPaths/outputFile as
// GenerateTaggedDistFiles calls into OutputFiles(tag) which may use those
// fields.
m.distFiles = m.GenerateTaggedDistFiles(ctx)
}
}
func (m *customModule) AndroidMk() AndroidMkData {
return AndroidMkData{
Custom: func(w io.Writer, name, prefix, moduleDir string, data AndroidMkData) {
m.data = data
},
}
}
func (m *customModule) OutputFiles(tag string) (Paths, error) {
switch tag {
case DefaultDistTag:
if m.defaultDistPaths != nil {
return m.defaultDistPaths, nil
} else {
return nil, fmt.Errorf("default dist tag is not available")
}
case "":
return PathsForTesting("one.out"), nil
case ".multiple":
return PathsForTesting("two.out", "three/four.out"), nil
case ".another-tag":
return PathsForTesting("another.out"), nil
default:
return nil, fmt.Errorf("unsupported module reference tag %q", tag)
}
}
func (m *customModule) AndroidMkEntries() []AndroidMkEntries {
return []AndroidMkEntries{
{
Class: "CUSTOM_MODULE",
DistFiles: m.distFiles,
OutputFile: m.outputFile,
},
}
}
func customModuleFactory() Module {
module := &customModule{}
module.AddProperties(&module.properties)
InitAndroidModule(module)
return module
}
// buildContextAndCustomModuleFoo creates a config object, processes the supplied
// bp module and then returns the config and the custom module called "foo".
func buildContextAndCustomModuleFoo(t *testing.T, bp string) (*TestContext, *customModule) {
t.Helper()
result := GroupFixturePreparers(
// Enable androidmk Singleton
PrepareForTestWithAndroidMk,
FixtureRegisterWithContext(func(ctx RegistrationContext) {
ctx.RegisterModuleType("custom", customModuleFactory)
}),
FixtureModifyProductVariables(func(variables FixtureProductVariables) {
variables.DeviceProduct = proptools.StringPtr("bar")
}),
FixtureWithRootAndroidBp(bp),
).RunTest(t)
module := result.ModuleForTests("foo", "").Module().(*customModule)
return result.TestContext, module
}
func TestAndroidMkSingleton_PassesUpdatedAndroidMkDataToCustomCallback(t *testing.T) {
if runtime.GOOS == "darwin" {
// Device modules are not exported on Mac, so this test doesn't work.
t.SkipNow()
}
bp := `
custom {
name: "foo",
required: ["bar"],
host_required: ["baz"],
target_required: ["qux"],
}
`
_, m := buildContextAndCustomModuleFoo(t, bp)
assertEqual := func(expected interface{}, actual interface{}) {
if !reflect.DeepEqual(expected, actual) {
t.Errorf("%q expected, but got %q", expected, actual)
}
}
assertEqual([]string{"bar"}, m.data.Required)
assertEqual([]string{"baz"}, m.data.Host_required)
assertEqual([]string{"qux"}, m.data.Target_required)
}
func TestGenerateDistContributionsForMake(t *testing.T) {
dc := &distContributions{
copiesForGoals: []*copiesForGoals{
{
goals: "my_goal",
copies: []distCopy{
distCopyForTest("one.out", "one.out"),
distCopyForTest("two.out", "other.out"),
},
},
},
}
makeOutput := generateDistContributionsForMake(dc)
assertStringEquals(t, `.PHONY: my_goal
$(call dist-for-goals,my_goal,one.out:one.out)
$(call dist-for-goals,my_goal,two.out:other.out)
`, strings.Join(makeOutput, ""))
}
func TestGetDistForGoals(t *testing.T) {
bp := `
custom {
name: "foo",
dist: {
targets: ["my_goal", "my_other_goal"],
tag: ".multiple",
},
dists: [
{
targets: ["my_second_goal"],
tag: ".multiple",
},
{
targets: ["my_third_goal"],
dir: "test/dir",
},
{
targets: ["my_fourth_goal"],
suffix: ".suffix",
},
{
targets: ["my_fifth_goal"],
dest: "new-name",
},
{
targets: ["my_sixth_goal"],
dest: "new-name",
dir: "some/dir",
suffix: ".suffix",
},
],
}
`
expectedAndroidMkLines := []string{
".PHONY: my_second_goal\n",
"$(call dist-for-goals,my_second_goal,two.out:two.out)\n",
"$(call dist-for-goals,my_second_goal,three/four.out:four.out)\n",
".PHONY: my_third_goal\n",
"$(call dist-for-goals,my_third_goal,one.out:test/dir/one.out)\n",
".PHONY: my_fourth_goal\n",
"$(call dist-for-goals,my_fourth_goal,one.out:one.suffix.out)\n",
".PHONY: my_fifth_goal\n",
"$(call dist-for-goals,my_fifth_goal,one.out:new-name)\n",
".PHONY: my_sixth_goal\n",
"$(call dist-for-goals,my_sixth_goal,one.out:some/dir/new-name.suffix)\n",
".PHONY: my_goal my_other_goal\n",
"$(call dist-for-goals,my_goal my_other_goal,two.out:two.out)\n",
"$(call dist-for-goals,my_goal my_other_goal,three/four.out:four.out)\n",
}
ctx, module := buildContextAndCustomModuleFoo(t, bp)
entries := AndroidMkEntriesForTest(t, ctx, module)
if len(entries) != 1 {
t.Errorf("Expected a single AndroidMk entry, got %d", len(entries))
}
androidMkLines := entries[0].GetDistForGoals(module)
if len(androidMkLines) != len(expectedAndroidMkLines) {
t.Errorf(
"Expected %d AndroidMk lines, got %d:\n%v",
len(expectedAndroidMkLines),
len(androidMkLines),
androidMkLines,
)
}
for idx, line := range androidMkLines {
expectedLine := expectedAndroidMkLines[idx]
if line != expectedLine {
t.Errorf(
"Expected AndroidMk line to be '%s', got '%s'",
expectedLine,
line,
)
}
}
}
func distCopyForTest(from, to string) distCopy {
return distCopy{PathForTesting(from), to}
}
func TestGetDistContributions(t *testing.T) {
compareContributions := func(d1 *distContributions, d2 *distContributions) error {
if d1 == nil || d2 == nil {
if d1 != d2 {
return fmt.Errorf("pointer mismatch, expected both to be nil but they were %p and %p", d1, d2)
} else {
return nil
}
}
if expected, actual := len(d1.copiesForGoals), len(d2.copiesForGoals); expected != actual {
return fmt.Errorf("length mismatch, expected %d found %d", expected, actual)
}
for i, copies1 := range d1.copiesForGoals {
copies2 := d2.copiesForGoals[i]
if expected, actual := copies1.goals, copies2.goals; expected != actual {
return fmt.Errorf("goals mismatch at position %d: expected %q found %q", i, expected, actual)
}
if expected, actual := len(copies1.copies), len(copies2.copies); expected != actual {
return fmt.Errorf("length mismatch in copy instructions at position %d, expected %d found %d", i, expected, actual)
}
for j, c1 := range copies1.copies {
c2 := copies2.copies[j]
if expected, actual := NormalizePathForTesting(c1.from), NormalizePathForTesting(c2.from); expected != actual {
return fmt.Errorf("paths mismatch at position %d.%d: expected %q found %q", i, j, expected, actual)
}
if expected, actual := c1.dest, c2.dest; expected != actual {
return fmt.Errorf("dest mismatch at position %d.%d: expected %q found %q", i, j, expected, actual)
}
}
}
return nil
}
formatContributions := func(d *distContributions) string {
buf := &strings.Builder{}
if d == nil {
fmt.Fprint(buf, "nil")
} else {
for _, copiesForGoals := range d.copiesForGoals {
fmt.Fprintf(buf, " Goals: %q {\n", copiesForGoals.goals)
for _, c := range copiesForGoals.copies {
fmt.Fprintf(buf, " %s -> %s\n", NormalizePathForTesting(c.from), c.dest)
}
fmt.Fprint(buf, " }\n")
}
}
return buf.String()
}
testHelper := func(t *testing.T, name, bp string, expectedContributions *distContributions) {
t.Helper()
t.Run(name, func(t *testing.T) {
t.Helper()
ctx, module := buildContextAndCustomModuleFoo(t, bp)
entries := AndroidMkEntriesForTest(t, ctx, module)
if len(entries) != 1 {
t.Errorf("Expected a single AndroidMk entry, got %d", len(entries))
}
distContributions := entries[0].getDistContributions(module)
if err := compareContributions(expectedContributions, distContributions); err != nil {
t.Errorf("%s\nExpected Contributions\n%sActualContributions\n%s",
err,
formatContributions(expectedContributions),
formatContributions(distContributions))
}
})
}
testHelper(t, "dist-without-tag", `
custom {
name: "foo",
dist: {
targets: ["my_goal"]
}
}
`,
&distContributions{
copiesForGoals: []*copiesForGoals{
{
goals: "my_goal",
copies: []distCopy{
distCopyForTest("one.out", "one.out"),
},
},
},
})
testHelper(t, "dist-with-tag", `
custom {
name: "foo",
dist: {
targets: ["my_goal"],
tag: ".another-tag",
}
}
`,
&distContributions{
copiesForGoals: []*copiesForGoals{
{
goals: "my_goal",
copies: []distCopy{
distCopyForTest("another.out", "another.out"),
},
},
},
})
testHelper(t, "append-artifact-with-product", `
custom {
name: "foo",
dist: {
targets: ["my_goal"],
append_artifact_with_product: true,
}
}
`, &distContributions{
copiesForGoals: []*copiesForGoals{
{
goals: "my_goal",
copies: []distCopy{
distCopyForTest("one.out", "one_bar.out"),
},
},
},
})
testHelper(t, "dists-with-tag", `
custom {
name: "foo",
dists: [
{
targets: ["my_goal"],
tag: ".another-tag",
},
],
}
`,
&distContributions{
copiesForGoals: []*copiesForGoals{
{
goals: "my_goal",
copies: []distCopy{
distCopyForTest("another.out", "another.out"),
},
},
},
})
testHelper(t, "multiple-dists-with-and-without-tag", `
custom {
name: "foo",
dists: [
{
targets: ["my_goal"],
},
{
targets: ["my_second_goal", "my_third_goal"],
},
],
}
`,
&distContributions{
copiesForGoals: []*copiesForGoals{
{
goals: "my_goal",
copies: []distCopy{
distCopyForTest("one.out", "one.out"),
},
},
{
goals: "my_second_goal my_third_goal",
copies: []distCopy{
distCopyForTest("one.out", "one.out"),
},
},
},
})
testHelper(t, "dist-plus-dists-without-tags", `
custom {
name: "foo",
dist: {
targets: ["my_goal"],
},
dists: [
{
targets: ["my_second_goal", "my_third_goal"],
},
],
}
`,
&distContributions{
copiesForGoals: []*copiesForGoals{
{
goals: "my_second_goal my_third_goal",
copies: []distCopy{
distCopyForTest("one.out", "one.out"),
},
},
{
goals: "my_goal",
copies: []distCopy{
distCopyForTest("one.out", "one.out"),
},
},
},
})
testHelper(t, "dist-plus-dists-with-tags", `
custom {
name: "foo",
dist: {
targets: ["my_goal", "my_other_goal"],
tag: ".multiple",
},
dists: [
{
targets: ["my_second_goal"],
tag: ".multiple",
},
{
targets: ["my_third_goal"],
dir: "test/dir",
},
{
targets: ["my_fourth_goal"],
suffix: ".suffix",
},
{
targets: ["my_fifth_goal"],
dest: "new-name",
},
{
targets: ["my_sixth_goal"],
dest: "new-name",
dir: "some/dir",
suffix: ".suffix",
},
],
}
`,
&distContributions{
copiesForGoals: []*copiesForGoals{
{
goals: "my_second_goal",
copies: []distCopy{
distCopyForTest("two.out", "two.out"),
distCopyForTest("three/four.out", "four.out"),
},
},
{
goals: "my_third_goal",
copies: []distCopy{
distCopyForTest("one.out", "test/dir/one.out"),
},
},
{
goals: "my_fourth_goal",
copies: []distCopy{
distCopyForTest("one.out", "one.suffix.out"),
},
},
{
goals: "my_fifth_goal",
copies: []distCopy{
distCopyForTest("one.out", "new-name"),
},
},
{
goals: "my_sixth_goal",
copies: []distCopy{
distCopyForTest("one.out", "some/dir/new-name.suffix"),
},
},
{
goals: "my_goal my_other_goal",
copies: []distCopy{
distCopyForTest("two.out", "two.out"),
distCopyForTest("three/four.out", "four.out"),
},
},
},
})
// The above test the default values of default_dist_files and use_output_file.
// The following tests explicitly test the different combinations of those settings.
testHelper(t, "tagged-dist-files-no-output", `
custom {
name: "foo",
default_dist_files: "tagged",
dist_output_file: false,
dists: [
{
targets: ["my_goal"],
},
{
targets: ["my_goal"],
tag: ".multiple",
},
],
}
`, &distContributions{
copiesForGoals: []*copiesForGoals{
{
goals: "my_goal",
copies: []distCopy{
distCopyForTest("one.out", "one.out"),
},
},
{
goals: "my_goal",
copies: []distCopy{
distCopyForTest("two.out", "two.out"),
distCopyForTest("three/four.out", "four.out"),
},
},
},
})
testHelper(t, "default-dist-files-no-output", `
custom {
name: "foo",
default_dist_files: "default",
dist_output_file: false,
dists: [
{
targets: ["my_goal"],
},
{
targets: ["my_goal"],
tag: ".multiple",
},
],
}
`, &distContributions{
copiesForGoals: []*copiesForGoals{
{
goals: "my_goal",
copies: []distCopy{
distCopyForTest("default-dist.out", "default-dist.out"),
},
},
{
goals: "my_goal",
copies: []distCopy{
distCopyForTest("two.out", "two.out"),
distCopyForTest("three/four.out", "four.out"),
},
},
},
})
testHelper(t, "no-dist-files-no-output", `
custom {
name: "foo",
default_dist_files: "none",
dist_output_file: false,
dists: [
// The following is silently ignored because there is not default file
// in either the dist files or the output file.
{
targets: ["my_goal"],
},
{
targets: ["my_goal"],
tag: ".multiple",
},
],
}
`, &distContributions{
copiesForGoals: []*copiesForGoals{
{
goals: "my_goal",
copies: []distCopy{
distCopyForTest("two.out", "two.out"),
distCopyForTest("three/four.out", "four.out"),
},
},
},
})
testHelper(t, "tagged-dist-files-default-output", `
custom {
name: "foo",
default_dist_files: "tagged",
dist_output_file: true,
dists: [
{
targets: ["my_goal"],
},
{
targets: ["my_goal"],
tag: ".multiple",
},
],
}
`, &distContributions{
copiesForGoals: []*copiesForGoals{
{
goals: "my_goal",
copies: []distCopy{
distCopyForTest("one.out", "one.out"),
},
},
{
goals: "my_goal",
copies: []distCopy{
distCopyForTest("two.out", "two.out"),
distCopyForTest("three/four.out", "four.out"),
},
},
},
})
testHelper(t, "default-dist-files-default-output", `
custom {
name: "foo",
default_dist_files: "default",
dist_output_file: true,
dists: [
{
targets: ["my_goal"],
},
{
targets: ["my_goal"],
tag: ".multiple",
},
],
}
`, &distContributions{
copiesForGoals: []*copiesForGoals{
{
goals: "my_goal",
copies: []distCopy{
distCopyForTest("default-dist.out", "default-dist.out"),
},
},
{
goals: "my_goal",
copies: []distCopy{
distCopyForTest("two.out", "two.out"),
distCopyForTest("three/four.out", "four.out"),
},
},
},
})
testHelper(t, "no-dist-files-default-output", `
custom {
name: "foo",
default_dist_files: "none",
dist_output_file: true,
dists: [
{
targets: ["my_goal"],
},
{
targets: ["my_goal"],
tag: ".multiple",
},
],
}
`, &distContributions{
copiesForGoals: []*copiesForGoals{
{
goals: "my_goal",
copies: []distCopy{
distCopyForTest("dist-output-file.out", "dist-output-file.out"),
},
},
{
goals: "my_goal",
copies: []distCopy{
distCopyForTest("two.out", "two.out"),
distCopyForTest("three/four.out", "four.out"),
},
},
},
})
}