platform_build_soong/android/rule_builder_test.go

746 lines
22 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"
"path/filepath"
"reflect"
"regexp"
"strings"
"testing"
"github.com/google/blueprint"
"android/soong/shared"
)
func builderContext() BuilderContext {
return BuilderContextForTesting(TestConfig("out", nil, "", map[string][]byte{
"ld": nil,
"a.o": nil,
"b.o": nil,
"cp": nil,
"a": nil,
"b": nil,
"ls": nil,
"ln": nil,
"turbine": nil,
"java": nil,
"javac": nil,
}))
}
func ExampleRuleBuilder() {
ctx := builderContext()
rule := NewRuleBuilder(pctx, ctx)
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("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_SymlinkOutputs() {
ctx := builderContext()
rule := NewRuleBuilder(pctx, ctx)
rule.Command().
Tool(PathForSource(ctx, "ln")).
FlagWithInput("-s ", PathForTesting("a.o")).
SymlinkOutput(PathForOutput(ctx, "a"))
rule.Command().Text("cp out/a out/b").
ImplicitSymlinkOutput(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())
fmt.Printf("symlink_outputs: %q\n", rule.SymlinkOutputs())
// Output:
// commands: "ln -s a.o out/a && cp out/a out/b"
// tools: ["ln"]
// inputs: ["a.o"]
// outputs: ["out/a" "out/b"]
// symlink_outputs: ["out/a" "out/b"]
}
func ExampleRuleBuilder_Temporary() {
ctx := builderContext()
rule := NewRuleBuilder(pctx, ctx)
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() {
ctx := builderContext()
rule := NewRuleBuilder(pctx, ctx)
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() {
ctx := builderContext()
rule := NewRuleBuilder(pctx, ctx)
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() {
ctx := builderContext()
rule := NewRuleBuilder(pctx, ctx)
// 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 := builderContext()
fmt.Println(NewRuleBuilder(pctx, ctx).Command().
Tool(PathForSource(ctx, "ls")).Flag("-l"))
// Output:
// ls -l
}
func ExampleRuleBuilderCommand_Flags() {
ctx := builderContext()
fmt.Println(NewRuleBuilder(pctx, ctx).Command().
Tool(PathForSource(ctx, "ls")).Flags([]string{"-l", "-a"}))
// Output:
// ls -l -a
}
func ExampleRuleBuilderCommand_FlagWithArg() {
ctx := builderContext()
fmt.Println(NewRuleBuilder(pctx, ctx).Command().
Tool(PathForSource(ctx, "ls")).
FlagWithArg("--sort=", "time"))
// Output:
// ls --sort=time
}
func ExampleRuleBuilderCommand_FlagForEachArg() {
ctx := builderContext()
fmt.Println(NewRuleBuilder(pctx, ctx).Command().
Tool(PathForSource(ctx, "ls")).
FlagForEachArg("--sort=", []string{"time", "size"}))
// Output:
// ls --sort=time --sort=size
}
func ExampleRuleBuilderCommand_FlagForEachInput() {
ctx := builderContext()
fmt.Println(NewRuleBuilder(pctx, ctx).Command().
Tool(PathForSource(ctx, "turbine")).
FlagForEachInput("--classpath ", PathsForTesting("a.jar", "b.jar")))
// Output:
// turbine --classpath a.jar --classpath b.jar
}
func ExampleRuleBuilderCommand_FlagWithInputList() {
ctx := builderContext()
fmt.Println(NewRuleBuilder(pctx, ctx).Command().
Tool(PathForSource(ctx, "java")).
FlagWithInputList("-classpath=", PathsForTesting("a.jar", "b.jar"), ":"))
// Output:
// java -classpath=a.jar:b.jar
}
func ExampleRuleBuilderCommand_FlagWithInput() {
ctx := builderContext()
fmt.Println(NewRuleBuilder(pctx, ctx).Command().
Tool(PathForSource(ctx, "java")).
FlagWithInput("-classpath=", PathForSource(ctx, "a")))
// Output:
// java -classpath=a
}
func ExampleRuleBuilderCommand_FlagWithList() {
ctx := builderContext()
fmt.Println(NewRuleBuilder(pctx, ctx).Command().
Tool(PathForSource(ctx, "ls")).
FlagWithList("--sort=", []string{"time", "size"}, ","))
// Output:
// ls --sort=time,size
}
func ExampleRuleBuilderCommand_FlagWithRspFileInputList() {
ctx := builderContext()
fmt.Println(NewRuleBuilder(pctx, ctx).Command().
Tool(PathForSource(ctx, "javac")).
FlagWithRspFileInputList("@", PathsForTesting("a.java", "b.java")).
NinjaEscapedString())
// Output:
// javac @$out.rsp
}
func ExampleRuleBuilderCommand_String() {
ctx := builderContext()
fmt.Println(NewRuleBuilder(pctx, ctx).Command().
Text("FOO=foo").
Text("echo $FOO").
String())
// Output:
// FOO=foo echo $FOO
}
func ExampleRuleBuilderCommand_NinjaEscapedString() {
ctx := builderContext()
fmt.Println(NewRuleBuilder(pctx, ctx).Command().
Text("FOO=foo").
Text("echo $FOO").
NinjaEscapedString())
// Output:
// FOO=foo echo $$FOO
}
func TestRuleBuilder(t *testing.T) {
fs := map[string][]byte{
"dep_fixer": nil,
"input": nil,
"Implicit": nil,
"Input": nil,
"OrderOnly": nil,
"OrderOnlys": nil,
"Tool": nil,
"input2": nil,
"tool2": nil,
"input3": nil,
}
pathCtx := PathContextForTesting(TestConfig("out", nil, "", fs))
ctx := builderContextForTests{
PathContext: pathCtx,
}
addCommands := func(rule *RuleBuilder) {
cmd := rule.Command().
DepFile(PathForOutput(ctx, "DepFile")).
Flag("Flag").
FlagWithArg("FlagWithArg=", "arg").
FlagWithDepFile("FlagWithDepFile=", PathForOutput(ctx, "depfile")).
FlagWithInput("FlagWithInput=", PathForSource(ctx, "input")).
FlagWithOutput("FlagWithOutput=", PathForOutput(ctx, "output")).
Implicit(PathForSource(ctx, "Implicit")).
ImplicitDepFile(PathForOutput(ctx, "ImplicitDepFile")).
ImplicitOutput(PathForOutput(ctx, "ImplicitOutput")).
Input(PathForSource(ctx, "Input")).
Output(PathForOutput(ctx, "Output")).
OrderOnly(PathForSource(ctx, "OrderOnly")).
SymlinkOutput(PathForOutput(ctx, "SymlinkOutput")).
ImplicitSymlinkOutput(PathForOutput(ctx, "ImplicitSymlinkOutput")).
Text("Text").
Tool(PathForSource(ctx, "Tool"))
rule.Command().
Text("command2").
DepFile(PathForOutput(ctx, "depfile2")).
Input(PathForSource(ctx, "input2")).
Output(PathForOutput(ctx, "output2")).
OrderOnlys(PathsForSource(ctx, []string{"OrderOnlys"})).
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"))
}
wantInputs := PathsForSource(ctx, []string{"Implicit", "Input", "input", "input2", "input3"})
wantOutputs := PathsForOutput(ctx, []string{"ImplicitOutput", "ImplicitSymlinkOutput", "Output", "SymlinkOutput", "output", "output2", "output3"})
wantDepFiles := PathsForOutput(ctx, []string{"DepFile", "depfile", "ImplicitDepFile", "depfile2"})
wantTools := PathsForSource(ctx, []string{"Tool", "tool2"})
wantOrderOnlys := PathsForSource(ctx, []string{"OrderOnly", "OrderOnlys"})
wantSymlinkOutputs := PathsForOutput(ctx, []string{"ImplicitSymlinkOutput", "SymlinkOutput"})
t.Run("normal", func(t *testing.T) {
rule := NewRuleBuilder(pctx, ctx)
addCommands(rule)
wantCommands := []string{
"out/DepFile Flag FlagWithArg=arg FlagWithDepFile=out/depfile FlagWithInput=input FlagWithOutput=out/output Input out/Output out/SymlinkOutput Text Tool after command2 old cmd",
"command2 out/depfile2 input2 out/output2 tool2",
"command3 input3 out/output2 out/output3",
}
wantDepMergerCommand := "out/host/" + ctx.Config().PrebuiltOS() + "/bin/dep_fixer out/DepFile out/depfile out/ImplicitDepFile out/depfile2"
if g, w := rule.Commands(), wantCommands; !reflect.DeepEqual(g, w) {
t.Errorf("\nwant rule.Commands() = %#v\n got %#v", w, g)
}
if g, w := rule.Inputs(), wantInputs; !reflect.DeepEqual(w, g) {
t.Errorf("\nwant rule.Inputs() = %#v\n got %#v", w, g)
}
if g, w := rule.Outputs(), wantOutputs; !reflect.DeepEqual(w, g) {
t.Errorf("\nwant rule.Outputs() = %#v\n got %#v", w, g)
}
if g, w := rule.SymlinkOutputs(), wantSymlinkOutputs; !reflect.DeepEqual(w, g) {
t.Errorf("\nwant rule.SymlinkOutputs() = %#v\n got %#v", w, g)
}
if g, w := rule.DepFiles(), wantDepFiles; !reflect.DeepEqual(w, g) {
t.Errorf("\nwant rule.DepFiles() = %#v\n got %#v", w, g)
}
if g, w := rule.Tools(), wantTools; !reflect.DeepEqual(w, g) {
t.Errorf("\nwant rule.Tools() = %#v\n got %#v", w, g)
}
if g, w := rule.OrderOnlys(), wantOrderOnlys; !reflect.DeepEqual(w, g) {
t.Errorf("\nwant rule.OrderOnlys() = %#v\n got %#v", w, g)
}
if g, w := rule.depFileMergerCmd(rule.DepFiles()).String(), wantDepMergerCommand; g != w {
t.Errorf("\nwant rule.depFileMergerCmd() = %#v\n got %#v", w, g)
}
})
t.Run("sbox", func(t *testing.T) {
rule := NewRuleBuilder(pctx, ctx).Sbox(PathForOutput(ctx, ""),
PathForOutput(ctx, "sbox.textproto"))
addCommands(rule)
wantCommands := []string{
"__SBOX_SANDBOX_DIR__/out/DepFile Flag FlagWithArg=arg FlagWithDepFile=__SBOX_SANDBOX_DIR__/out/depfile FlagWithInput=input FlagWithOutput=__SBOX_SANDBOX_DIR__/out/output Input __SBOX_SANDBOX_DIR__/out/Output __SBOX_SANDBOX_DIR__/out/SymlinkOutput Text Tool after command2 old cmd",
"command2 __SBOX_SANDBOX_DIR__/out/depfile2 input2 __SBOX_SANDBOX_DIR__/out/output2 tool2",
"command3 input3 __SBOX_SANDBOX_DIR__/out/output2 __SBOX_SANDBOX_DIR__/out/output3",
}
wantDepMergerCommand := "out/host/" + ctx.Config().PrebuiltOS() + "/bin/dep_fixer __SBOX_SANDBOX_DIR__/out/DepFile __SBOX_SANDBOX_DIR__/out/depfile __SBOX_SANDBOX_DIR__/out/ImplicitDepFile __SBOX_SANDBOX_DIR__/out/depfile2"
if g, w := rule.Commands(), wantCommands; !reflect.DeepEqual(g, w) {
t.Errorf("\nwant rule.Commands() = %#v\n got %#v", w, g)
}
if g, w := rule.Inputs(), wantInputs; !reflect.DeepEqual(w, g) {
t.Errorf("\nwant rule.Inputs() = %#v\n got %#v", w, g)
}
if g, w := rule.Outputs(), wantOutputs; !reflect.DeepEqual(w, g) {
t.Errorf("\nwant rule.Outputs() = %#v\n got %#v", w, g)
}
if g, w := rule.DepFiles(), wantDepFiles; !reflect.DeepEqual(w, g) {
t.Errorf("\nwant rule.DepFiles() = %#v\n got %#v", w, g)
}
if g, w := rule.Tools(), wantTools; !reflect.DeepEqual(w, g) {
t.Errorf("\nwant rule.Tools() = %#v\n got %#v", w, g)
}
if g, w := rule.OrderOnlys(), wantOrderOnlys; !reflect.DeepEqual(w, g) {
t.Errorf("\nwant rule.OrderOnlys() = %#v\n got %#v", w, g)
}
if g, w := rule.depFileMergerCmd(rule.DepFiles()).String(), wantDepMergerCommand; g != w {
t.Errorf("\nwant rule.depFileMergerCmd() = %#v\n got %#v", w, g)
}
})
}
func testRuleBuilderFactory() Module {
module := &testRuleBuilderModule{}
module.AddProperties(&module.properties)
InitAndroidModule(module)
return module
}
type testRuleBuilderModule struct {
ModuleBase
properties struct {
Srcs []string
Restat bool
Sbox bool
}
}
func (t *testRuleBuilderModule) GenerateAndroidBuildActions(ctx ModuleContext) {
in := PathsForSource(ctx, t.properties.Srcs)
out := PathForModuleOut(ctx, "gen", ctx.ModuleName())
outDep := PathForModuleOut(ctx, "gen", ctx.ModuleName()+".d")
outDir := PathForModuleOut(ctx, "gen")
manifestPath := PathForModuleOut(ctx, "sbox.textproto")
testRuleBuilder_Build(ctx, in, out, outDep, outDir, manifestPath, t.properties.Restat, t.properties.Sbox)
}
type testRuleBuilderSingleton struct{}
func testRuleBuilderSingletonFactory() Singleton {
return &testRuleBuilderSingleton{}
}
func (t *testRuleBuilderSingleton) GenerateBuildActions(ctx SingletonContext) {
in := PathForSource(ctx, "bar")
out := PathForOutput(ctx, "singleton/gen/baz")
outDep := PathForOutput(ctx, "singleton/gen/baz.d")
outDir := PathForOutput(ctx, "singleton/gen")
manifestPath := PathForOutput(ctx, "singleton/sbox.textproto")
testRuleBuilder_Build(ctx, Paths{in}, out, outDep, outDir, manifestPath, true, false)
}
func testRuleBuilder_Build(ctx BuilderContext, in Paths, out, outDep, outDir, manifestPath WritablePath, restat, sbox bool) {
rule := NewRuleBuilder(pctx, ctx)
if sbox {
rule.Sbox(outDir, manifestPath)
}
rule.Command().Tool(PathForSource(ctx, "cp")).Inputs(in).Output(out).ImplicitDepFile(outDep)
if restat {
rule.Restat()
}
rule.Build("rule", "desc")
}
func TestRuleBuilder_Build(t *testing.T) {
fs := map[string][]byte{
"bar": nil,
"cp": nil,
}
bp := `
rule_builder_test {
name: "foo",
srcs: ["bar"],
restat: true,
}
rule_builder_test {
name: "foo_sbox",
srcs: ["bar"],
sbox: true,
}
`
config := TestConfig(buildDir, nil, bp, fs)
ctx := NewTestContext(config)
ctx.RegisterModuleType("rule_builder_test", testRuleBuilderFactory)
ctx.RegisterSingletonType("rule_builder_test", 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, wantCommand, wantOutput, wantDepfile string, wantRestat bool, extraImplicits, extraCmdDeps []string) {
t.Helper()
command := params.RuleParams.Command
re := regexp.MustCompile(" # hash of input list: [a-z0-9]*$")
command = re.ReplaceAllLiteralString(command, "")
if command != wantCommand {
t.Errorf("\nwant RuleParams.Command = %q\n got %q", wantCommand, params.RuleParams.Command)
}
wantDeps := append([]string{"cp"}, extraCmdDeps...)
if !reflect.DeepEqual(params.RuleParams.CommandDeps, wantDeps) {
t.Errorf("\nwant RuleParams.CommandDeps = %q\n got %q", wantDeps, params.RuleParams.CommandDeps)
}
if params.RuleParams.Restat != wantRestat {
t.Errorf("want RuleParams.Restat = %v, got %v", wantRestat, params.RuleParams.Restat)
}
wantImplicits := append([]string{"bar"}, extraImplicits...)
if !reflect.DeepEqual(params.Implicits.Strings(), wantImplicits) {
t.Errorf("want Implicits = [%q], got %q", "bar", params.Implicits.Strings())
}
if params.Output.String() != wantOutput {
t.Errorf("want Output = %q, got %q", wantOutput, params.Output)
}
if len(params.ImplicitOutputs) != 0 {
t.Errorf("want ImplicitOutputs = [], got %q", params.ImplicitOutputs.Strings())
}
if params.Depfile.String() != wantDepfile {
t.Errorf("want Depfile = %q, got %q", wantDepfile, params.Depfile)
}
if params.Deps != blueprint.DepsGCC {
t.Errorf("want Deps = %q, got %q", blueprint.DepsGCC, params.Deps)
}
}
t.Run("module", func(t *testing.T) {
outFile := filepath.Join(buildDir, ".intermediates", "foo", "gen", "foo")
check(t, ctx.ModuleForTests("foo", "").Rule("rule"),
"cp bar "+outFile,
outFile, outFile+".d", true, nil, nil)
})
t.Run("sbox", func(t *testing.T) {
outDir := filepath.Join(buildDir, ".intermediates", "foo_sbox")
outFile := filepath.Join(outDir, "gen/foo_sbox")
depFile := filepath.Join(outDir, "gen/foo_sbox.d")
manifest := filepath.Join(outDir, "sbox.textproto")
sbox := filepath.Join(buildDir, "host", config.PrebuiltOS(), "bin/sbox")
sandboxPath := shared.TempDirForOutDir(buildDir)
cmd := `rm -rf ` + outDir + `/gen && ` +
sbox + ` --sandbox-path ` + sandboxPath + ` --manifest ` + manifest
check(t, ctx.ModuleForTests("foo_sbox", "").Output("gen/foo_sbox"),
cmd, outFile, depFile, false, []string{manifest}, []string{sbox})
})
t.Run("singleton", func(t *testing.T) {
outFile := filepath.Join(buildDir, "singleton/gen/baz")
check(t, ctx.SingletonForTests("rule_builder_test").Rule("rule"),
"cp bar "+outFile, outFile, outFile+".d", true, nil, nil)
})
}
func Test_ninjaEscapeExceptForSpans(t *testing.T) {
type args struct {
s string
spans [][2]int
}
tests := []struct {
name string
args args
want string
}{
{
name: "empty",
args: args{
s: "",
},
want: "",
},
{
name: "unescape none",
args: args{
s: "$abc",
},
want: "$$abc",
},
{
name: "unescape all",
args: args{
s: "$abc",
spans: [][2]int{{0, 4}},
},
want: "$abc",
},
{
name: "unescape first",
args: args{
s: "$abc$",
spans: [][2]int{{0, 1}},
},
want: "$abc$$",
},
{
name: "unescape last",
args: args{
s: "$abc$",
spans: [][2]int{{4, 5}},
},
want: "$$abc$",
},
{
name: "unescape middle",
args: args{
s: "$a$b$c$",
spans: [][2]int{{2, 5}},
},
want: "$$a$b$c$$",
},
{
name: "unescape multiple",
args: args{
s: "$a$b$c$",
spans: [][2]int{{2, 3}, {4, 5}},
},
want: "$$a$b$c$$",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := ninjaEscapeExceptForSpans(tt.args.s, tt.args.spans); got != tt.want {
t.Errorf("ninjaEscapeExceptForSpans() = %v, want %v", got, tt.want)
}
})
}
}
func TestRuleBuilderHashInputs(t *testing.T) {
// The basic idea here is to verify that the command (in the case of a
// non-sbox rule) or the sbox textproto manifest contain a hash of the
// inputs.
// By including a hash of the inputs, we cause the rule to re-run if
// the list of inputs changes because the command line or a dependency
// changes.
bp := `
rule_builder_test {
name: "hash0",
srcs: ["in1.txt", "in2.txt"],
}
rule_builder_test {
name: "hash0_sbox",
srcs: ["in1.txt", "in2.txt"],
sbox: true,
}
rule_builder_test {
name: "hash1",
srcs: ["in1.txt", "in2.txt", "in3.txt"],
}
rule_builder_test {
name: "hash1_sbox",
srcs: ["in1.txt", "in2.txt", "in3.txt"],
sbox: true,
}
`
testcases := []struct {
name string
expectedHash string
}{
{
name: "hash0",
// sha256 value obtained from: echo -en 'in1.txt\nin2.txt' | sha256sum
expectedHash: "18da75b9b1cc74b09e365b4ca2e321b5d618f438cc632b387ad9dc2ab4b20e9d",
},
{
name: "hash1",
// sha256 value obtained from: echo -en 'in1.txt\nin2.txt\nin3.txt' | sha256sum
expectedHash: "a38d432a4b19df93140e1f1fe26c97ff0387dae01fe506412b47208f0595fb45",
},
}
config := TestConfig(buildDir, nil, bp, nil)
ctx := NewTestContext(config)
ctx.RegisterModuleType("rule_builder_test", testRuleBuilderFactory)
ctx.Register()
_, errs := ctx.ParseFileList(".", []string{"Android.bp"})
FailIfErrored(t, errs)
_, errs = ctx.PrepareBuildActions(config)
FailIfErrored(t, errs)
for _, test := range testcases {
t.Run(test.name, func(t *testing.T) {
t.Run("sbox", func(t *testing.T) {
gen := ctx.ModuleForTests(test.name+"_sbox", "")
manifest := RuleBuilderSboxProtoForTests(t, gen.Output("sbox.textproto"))
hash := manifest.Commands[0].GetInputHash()
if g, w := hash, test.expectedHash; g != w {
t.Errorf("Expected has %q, got %q", w, g)
}
})
t.Run("", func(t *testing.T) {
gen := ctx.ModuleForTests(test.name+"", "")
command := gen.Output("gen/" + test.name).RuleParams.Command
if g, w := command, " # hash of input list: "+test.expectedHash; !strings.HasSuffix(g, w) {
t.Errorf("Expected command line to end with %q, got %q", w, g)
}
})
})
}
}