platform_build_soong/android/rule_builder_test.go
Colin Cross baa676f671 Fix RuleBuilder.Restat
RuleBuilder.Restat wasn't being propagated to the rule.

Test: rule_builder_test.go
Change-Id: Ie64c8076692ea10a0c47ed5a8832e3f553bea0fc
2019-03-05 03:17:33 +00:00

395 lines
11 KiB
Go

// 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/ioutil"
"os"
"path/filepath"
"reflect"
"strings"
"testing"
)
func pathContext() PathContext {
return PathContextForTesting(TestConfig("out", nil),
map[string][]byte{
"ld": nil,
"a.o": nil,
"b.o": nil,
"cp": nil,
"a": nil,
"b": nil,
"ls": nil,
"turbine": nil,
"java": nil,
})
}
func ExampleRuleBuilder() {
rule := NewRuleBuilder()
ctx := pathContext()
rule.Command().
Tool(PathForSource(ctx, "ld")).
Inputs(PathsForTesting("a.o", "b.o")).
FlagWithOutput("-o ", PathForOutput(ctx, "linked"))
rule.Command().Text("echo success")
// To add the command to the build graph:
// rule.Build(pctx, ctx, "link", "link")
fmt.Printf("commands: %q\n", strings.Join(rule.Commands(), " && "))
fmt.Printf("tools: %q\n", rule.Tools())
fmt.Printf("inputs: %q\n", rule.Inputs())
fmt.Printf("outputs: %q\n", rule.Outputs())
// Output:
// commands: "ld a.o b.o -o out/linked && echo success"
// tools: ["ld"]
// inputs: ["a.o" "b.o"]
// outputs: ["out/linked"]
}
func ExampleRuleBuilder_Temporary() {
rule := NewRuleBuilder()
ctx := pathContext()
rule.Command().
Tool(PathForSource(ctx, "cp")).
Input(PathForSource(ctx, "a")).
Output(PathForOutput(ctx, "b"))
rule.Command().
Tool(PathForSource(ctx, "cp")).
Input(PathForOutput(ctx, "b")).
Output(PathForOutput(ctx, "c"))
rule.Temporary(PathForOutput(ctx, "b"))
fmt.Printf("commands: %q\n", strings.Join(rule.Commands(), " && "))
fmt.Printf("tools: %q\n", rule.Tools())
fmt.Printf("inputs: %q\n", rule.Inputs())
fmt.Printf("outputs: %q\n", rule.Outputs())
// Output:
// commands: "cp a out/b && cp out/b out/c"
// tools: ["cp"]
// inputs: ["a"]
// outputs: ["out/c"]
}
func ExampleRuleBuilder_DeleteTemporaryFiles() {
rule := NewRuleBuilder()
ctx := pathContext()
rule.Command().
Tool(PathForSource(ctx, "cp")).
Input(PathForSource(ctx, "a")).
Output(PathForOutput(ctx, "b"))
rule.Command().
Tool(PathForSource(ctx, "cp")).
Input(PathForOutput(ctx, "b")).
Output(PathForOutput(ctx, "c"))
rule.Temporary(PathForOutput(ctx, "b"))
rule.DeleteTemporaryFiles()
fmt.Printf("commands: %q\n", strings.Join(rule.Commands(), " && "))
fmt.Printf("tools: %q\n", rule.Tools())
fmt.Printf("inputs: %q\n", rule.Inputs())
fmt.Printf("outputs: %q\n", rule.Outputs())
// Output:
// commands: "cp a out/b && cp out/b out/c && rm -f out/b"
// tools: ["cp"]
// inputs: ["a"]
// outputs: ["out/c"]
}
func ExampleRuleBuilder_Installs() {
rule := NewRuleBuilder()
ctx := pathContext()
out := PathForOutput(ctx, "linked")
rule.Command().
Tool(PathForSource(ctx, "ld")).
Inputs(PathsForTesting("a.o", "b.o")).
FlagWithOutput("-o ", out)
rule.Install(out, "/bin/linked")
rule.Install(out, "/sbin/linked")
fmt.Printf("rule.Installs().String() = %q\n", rule.Installs().String())
// Output:
// rule.Installs().String() = "out/linked:/bin/linked out/linked:/sbin/linked"
}
func ExampleRuleBuilderCommand() {
rule := NewRuleBuilder()
ctx := pathContext()
// chained
rule.Command().
Tool(PathForSource(ctx, "ld")).
Inputs(PathsForTesting("a.o", "b.o")).
FlagWithOutput("-o ", PathForOutput(ctx, "linked"))
// unchained
cmd := rule.Command()
cmd.Tool(PathForSource(ctx, "ld"))
cmd.Inputs(PathsForTesting("a.o", "b.o"))
cmd.FlagWithOutput("-o ", PathForOutput(ctx, "linked"))
// mixed:
cmd = rule.Command().Tool(PathForSource(ctx, "ld"))
cmd.Inputs(PathsForTesting("a.o", "b.o"))
cmd.FlagWithOutput("-o ", PathForOutput(ctx, "linked"))
}
func ExampleRuleBuilderCommand_Flag() {
ctx := pathContext()
fmt.Println(NewRuleBuilder().Command().
Tool(PathForSource(ctx, "ls")).Flag("-l"))
// Output:
// ls -l
}
func ExampleRuleBuilderCommand_FlagWithArg() {
ctx := pathContext()
fmt.Println(NewRuleBuilder().Command().
Tool(PathForSource(ctx, "ls")).
FlagWithArg("--sort=", "time"))
// Output:
// ls --sort=time
}
func ExampleRuleBuilderCommand_FlagForEachArg() {
ctx := pathContext()
fmt.Println(NewRuleBuilder().Command().
Tool(PathForSource(ctx, "ls")).
FlagForEachArg("--sort=", []string{"time", "size"}))
// Output:
// ls --sort=time --sort=size
}
func ExampleRuleBuilderCommand_FlagForEachInput() {
ctx := pathContext()
fmt.Println(NewRuleBuilder().Command().
Tool(PathForSource(ctx, "turbine")).
FlagForEachInput("--classpath ", PathsForTesting("a.jar", "b.jar")))
// Output:
// turbine --classpath a.jar --classpath b.jar
}
func ExampleRuleBuilderCommand_FlagWithInputList() {
ctx := pathContext()
fmt.Println(NewRuleBuilder().Command().
Tool(PathForSource(ctx, "java")).
FlagWithInputList("-classpath=", PathsForTesting("a.jar", "b.jar"), ":"))
// Output:
// java -classpath=a.jar:b.jar
}
func ExampleRuleBuilderCommand_FlagWithInput() {
ctx := pathContext()
fmt.Println(NewRuleBuilder().Command().
Tool(PathForSource(ctx, "java")).
FlagWithInput("-classpath=", PathForSource(ctx, "a")))
// Output:
// java -classpath=a
}
func ExampleRuleBuilderCommand_FlagWithList() {
ctx := pathContext()
fmt.Println(NewRuleBuilder().Command().
Tool(PathForSource(ctx, "ls")).
FlagWithList("--sort=", []string{"time", "size"}, ","))
// Output:
// ls --sort=time,size
}
func TestRuleBuilder(t *testing.T) {
rule := NewRuleBuilder()
fs := map[string][]byte{
"input": nil,
"Implicit": nil,
"Input": nil,
"Tool": nil,
"input2": nil,
"tool2": nil,
"input3": nil,
}
ctx := PathContextForTesting(TestConfig("out", nil), fs)
cmd := rule.Command().
Flag("Flag").
FlagWithArg("FlagWithArg=", "arg").
FlagWithInput("FlagWithInput=", PathForSource(ctx, "input")).
FlagWithOutput("FlagWithOutput=", PathForOutput(ctx, "output")).
Implicit(PathForSource(ctx, "Implicit")).
ImplicitOutput(PathForOutput(ctx, "ImplicitOutput")).
Input(PathForSource(ctx, "Input")).
Output(PathForOutput(ctx, "Output")).
Text("Text").
Tool(PathForSource(ctx, "Tool"))
rule.Command().
Text("command2").
Input(PathForSource(ctx, "input2")).
Output(PathForOutput(ctx, "output2")).
Tool(PathForSource(ctx, "tool2"))
// Test updates to the first command after the second command has been started
cmd.Text("after command2")
// Test updating a command when the previous update did not replace the cmd variable
cmd.Text("old cmd")
// Test a command that uses the output of a previous command as an input
rule.Command().
Text("command3").
Input(PathForSource(ctx, "input3")).
Input(PathForOutput(ctx, "output2")).
Output(PathForOutput(ctx, "output3"))
wantCommands := []string{
"Flag FlagWithArg=arg FlagWithInput=input FlagWithOutput=out/output Input out/Output Text Tool after command2 old cmd",
"command2 input2 out/output2 tool2",
"command3 input3 out/output2 out/output3",
}
wantInputs := PathsForSource(ctx, []string{"Implicit", "Input", "input", "input2", "input3"})
wantOutputs := PathsForOutput(ctx, []string{"ImplicitOutput", "Output", "output", "output2", "output3"})
wantTools := PathsForSource(ctx, []string{"Tool", "tool2"})
if !reflect.DeepEqual(rule.Commands(), wantCommands) {
t.Errorf("\nwant rule.Commands() = %#v\n got %#v", wantCommands, rule.Commands())
}
if !reflect.DeepEqual(rule.Inputs(), wantInputs) {
t.Errorf("\nwant rule.Inputs() = %#v\n got %#v", wantInputs, rule.Inputs())
}
if !reflect.DeepEqual(rule.Outputs(), wantOutputs) {
t.Errorf("\nwant rule.Outputs() = %#v\n got %#v", wantOutputs, rule.Outputs())
}
if !reflect.DeepEqual(rule.Tools(), wantTools) {
t.Errorf("\nwant rule.Tools() = %#v\n got %#v", wantTools, rule.Tools())
}
}
func testRuleBuilderFactory() Module {
module := &testRuleBuilderModule{}
module.AddProperties(&module.properties)
InitAndroidModule(module)
return module
}
type testRuleBuilderModule struct {
ModuleBase
properties struct {
Src string
}
}
func (t *testRuleBuilderModule) GenerateAndroidBuildActions(ctx ModuleContext) {
in := PathForSource(ctx, t.properties.Src)
out := PathForModuleOut(ctx, ctx.ModuleName())
testRuleBuilder_Build(ctx, in, out)
}
type testRuleBuilderSingleton struct{}
func testRuleBuilderSingletonFactory() Singleton {
return &testRuleBuilderSingleton{}
}
func (t *testRuleBuilderSingleton) GenerateBuildActions(ctx SingletonContext) {
in := PathForSource(ctx, "bar")
out := PathForOutput(ctx, "baz")
testRuleBuilder_Build(ctx, in, out)
}
func testRuleBuilder_Build(ctx BuilderContext, in Path, out WritablePath) {
rule := NewRuleBuilder()
rule.Command().Tool(PathForSource(ctx, "cp")).Input(in).Output(out)
rule.Restat()
rule.Build(pctx, ctx, "rule", "desc")
}
func TestRuleBuilder_Build(t *testing.T) {
buildDir, err := ioutil.TempDir("", "soong_test_rule_builder")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(buildDir)
bp := `
rule_builder_test {
name: "foo",
src: "bar",
}
`
config := TestConfig(buildDir, nil)
ctx := NewTestContext()
ctx.MockFileSystem(map[string][]byte{
"Android.bp": []byte(bp),
"bar": nil,
"cp": nil,
})
ctx.RegisterModuleType("rule_builder_test", ModuleFactoryAdaptor(testRuleBuilderFactory))
ctx.RegisterSingletonType("rule_builder_test", SingletonFactoryAdaptor(testRuleBuilderSingletonFactory))
ctx.Register()
_, errs := ctx.ParseFileList(".", []string{"Android.bp"})
FailIfErrored(t, errs)
_, errs = ctx.PrepareBuildActions(config)
FailIfErrored(t, errs)
check := func(t *testing.T, params TestingBuildParams, wantOutput string) {
if len(params.RuleParams.CommandDeps) != 1 || params.RuleParams.CommandDeps[0] != "cp" {
t.Errorf("want RuleParams.CommandDeps = [%q], got %q", "cp", params.RuleParams.CommandDeps)
}
if len(params.Implicits) != 1 || params.Implicits[0].String() != "bar" {
t.Errorf("want Implicits = [%q], got %q", "bar", params.Implicits.Strings())
}
if len(params.Outputs) != 1 || params.Outputs[0].String() != wantOutput {
t.Errorf("want Outputs = [%q], got %q", wantOutput, params.Outputs.Strings())
}
if !params.RuleParams.Restat {
t.Errorf("want RuleParams.Restat = true, got %v", params.RuleParams.Restat)
}
}
t.Run("module", func(t *testing.T) {
check(t, ctx.ModuleForTests("foo", "").Rule("rule"),
filepath.Join(buildDir, ".intermediates", "foo", "foo"))
})
t.Run("singleton", func(t *testing.T) {
check(t, ctx.SingletonForTests("rule_builder_test").Rule("rule"),
filepath.Join(buildDir, "baz"))
})
}