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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 bp2build
import (
"android/soong/android"
"android/soong/genrule"
"testing"
)
func TestGenerateSoongModuleTargets(t *testing.T) {
testCases := []struct {
bp string
expectedBazelTarget string
}{
{
bp: `custom {
name: "foo",
}
`,
expectedBazelTarget: `soong_module(
name = "foo",
soong_module_name = "foo",
soong_module_type = "custom",
soong_module_variant = "",
soong_module_deps = [
],
)`,
},
{
bp: `custom {
name: "foo",
ramdisk: true,
}
`,
expectedBazelTarget: `soong_module(
name = "foo",
soong_module_name = "foo",
soong_module_type = "custom",
soong_module_variant = "",
soong_module_deps = [
],
ramdisk = True,
)`,
},
{
bp: `custom {
name: "foo",
owner: "a_string_with\"quotes\"_and_\\backslashes\\\\",
}
`,
expectedBazelTarget: `soong_module(
name = "foo",
soong_module_name = "foo",
soong_module_type = "custom",
soong_module_variant = "",
soong_module_deps = [
],
owner = "a_string_with\"quotes\"_and_\\backslashes\\\\",
)`,
},
{
bp: `custom {
name: "foo",
required: ["bar"],
}
`,
expectedBazelTarget: `soong_module(
name = "foo",
soong_module_name = "foo",
soong_module_type = "custom",
soong_module_variant = "",
soong_module_deps = [
],
required = [
"bar",
],
)`,
},
{
bp: `custom {
name: "foo",
target_required: ["qux", "bazqux"],
}
`,
expectedBazelTarget: `soong_module(
name = "foo",
soong_module_name = "foo",
soong_module_type = "custom",
soong_module_variant = "",
soong_module_deps = [
],
target_required = [
"qux",
"bazqux",
],
)`,
},
{
bp: `custom {
name: "foo",
dist: {
targets: ["goal_foo"],
tag: ".foo",
},
dists: [
{
targets: ["goal_bar"],
tag: ".bar",
},
],
}
`,
expectedBazelTarget: `soong_module(
name = "foo",
soong_module_name = "foo",
soong_module_type = "custom",
soong_module_variant = "",
soong_module_deps = [
],
dist = {
"tag": ".foo",
"targets": [
"goal_foo",
],
},
dists = [
{
"tag": ".bar",
"targets": [
"goal_bar",
],
},
],
)`,
},
{
bp: `custom {
name: "foo",
required: ["bar"],
target_required: ["qux", "bazqux"],
ramdisk: true,
owner: "custom_owner",
dists: [
{
tag: ".tag",
targets: ["my_goal"],
},
],
}
`,
expectedBazelTarget: `soong_module(
name = "foo",
soong_module_name = "foo",
soong_module_type = "custom",
soong_module_variant = "",
soong_module_deps = [
],
dists = [
{
"tag": ".tag",
"targets": [
"my_goal",
],
},
],
owner = "custom_owner",
ramdisk = True,
required = [
"bar",
],
target_required = [
"qux",
"bazqux",
],
)`,
},
}
dir := "."
for _, testCase := range testCases {
config := android.TestConfig(buildDir, nil, testCase.bp, nil)
ctx := android.NewTestContext(config)
ctx.RegisterModuleType("custom", customModuleFactory)
ctx.Register()
_, errs := ctx.ParseFileList(dir, []string{"Android.bp"})
android.FailIfErrored(t, errs)
_, errs = ctx.PrepareBuildActions(config)
android.FailIfErrored(t, errs)
bazelTargets := GenerateBazelTargets(ctx.Context.Context, QueryView)[dir]
if actualCount, expectedCount := len(bazelTargets), 1; actualCount != expectedCount {
t.Fatalf("Expected %d bazel target, got %d", expectedCount, actualCount)
}
actualBazelTarget := bazelTargets[0]
if actualBazelTarget.content != testCase.expectedBazelTarget {
t.Errorf(
"Expected generated Bazel target to be '%s', got '%s'",
testCase.expectedBazelTarget,
actualBazelTarget.content,
)
}
}
}
func TestGenerateBazelTargetModules(t *testing.T) {
testCases := []struct {
bp string
expectedBazelTarget string
}{
{
bp: `custom {
name: "foo",
string_list_prop: ["a", "b"],
string_prop: "a",
}`,
expectedBazelTarget: `custom(
name = "foo",
string_list_prop = [
"a",
"b",
],
string_prop = "a",
)`,
},
}
dir := "."
for _, testCase := range testCases {
config := android.TestConfig(buildDir, nil, testCase.bp, nil)
ctx := android.NewTestContext(config)
ctx.RegisterModuleType("custom", customModuleFactory)
ctx.RegisterBp2BuildMutator("custom", customBp2BuildMutator)
ctx.RegisterForBazelConversion()
_, errs := ctx.ParseFileList(dir, []string{"Android.bp"})
android.FailIfErrored(t, errs)
_, errs = ctx.ResolveDependencies(config)
android.FailIfErrored(t, errs)
bazelTargets := GenerateBazelTargets(ctx.Context.Context, Bp2Build)[dir]
if actualCount, expectedCount := len(bazelTargets), 1; actualCount != expectedCount {
t.Fatalf("Expected %d bazel target, got %d", expectedCount, actualCount)
}
actualBazelTarget := bazelTargets[0]
if actualBazelTarget.content != testCase.expectedBazelTarget {
t.Errorf(
"Expected generated Bazel target to be '%s', got '%s'",
testCase.expectedBazelTarget,
actualBazelTarget.content,
)
}
}
}
func TestLoadStatements(t *testing.T) {
testCases := []struct {
bazelTargets BazelTargets
expectedLoadStatements string
}{
{
bazelTargets: BazelTargets{
BazelTarget{
name: "foo",
ruleClass: "cc_library",
bzlLoadLocation: "//build/bazel/rules:cc.bzl",
},
},
expectedLoadStatements: `load("//build/bazel/rules:cc.bzl", "cc_library")`,
},
{
bazelTargets: BazelTargets{
BazelTarget{
name: "foo",
ruleClass: "cc_library",
bzlLoadLocation: "//build/bazel/rules:cc.bzl",
},
BazelTarget{
name: "bar",
ruleClass: "cc_library",
bzlLoadLocation: "//build/bazel/rules:cc.bzl",
},
},
expectedLoadStatements: `load("//build/bazel/rules:cc.bzl", "cc_library")`,
},
{
bazelTargets: BazelTargets{
BazelTarget{
name: "foo",
ruleClass: "cc_library",
bzlLoadLocation: "//build/bazel/rules:cc.bzl",
},
BazelTarget{
name: "bar",
ruleClass: "cc_binary",
bzlLoadLocation: "//build/bazel/rules:cc.bzl",
},
},
expectedLoadStatements: `load("//build/bazel/rules:cc.bzl", "cc_binary", "cc_library")`,
},
{
bazelTargets: BazelTargets{
BazelTarget{
name: "foo",
ruleClass: "cc_library",
bzlLoadLocation: "//build/bazel/rules:cc.bzl",
},
BazelTarget{
name: "bar",
ruleClass: "cc_binary",
bzlLoadLocation: "//build/bazel/rules:cc.bzl",
},
BazelTarget{
name: "baz",
ruleClass: "java_binary",
bzlLoadLocation: "//build/bazel/rules:java.bzl",
},
},
expectedLoadStatements: `load("//build/bazel/rules:cc.bzl", "cc_binary", "cc_library")
load("//build/bazel/rules:java.bzl", "java_binary")`,
},
{
bazelTargets: BazelTargets{
BazelTarget{
name: "foo",
ruleClass: "cc_binary",
bzlLoadLocation: "//build/bazel/rules:cc.bzl",
},
BazelTarget{
name: "bar",
ruleClass: "java_binary",
bzlLoadLocation: "//build/bazel/rules:java.bzl",
},
BazelTarget{
name: "baz",
ruleClass: "genrule",
// Note: no bzlLoadLocation for native rules
},
},
expectedLoadStatements: `load("//build/bazel/rules:cc.bzl", "cc_binary")
load("//build/bazel/rules:java.bzl", "java_binary")`,
},
}
for _, testCase := range testCases {
actual := testCase.bazelTargets.LoadStatements()
expected := testCase.expectedLoadStatements
if actual != expected {
t.Fatalf("Expected load statements to be %s, got %s", expected, actual)
}
}
}
func TestGenerateBazelTargetModules_OneToMany_LoadedFromStarlark(t *testing.T) {
testCases := []struct {
bp string
expectedBazelTarget string
expectedBazelTargetCount int
expectedLoadStatements string
}{
{
bp: `custom {
name: "bar",
}`,
expectedBazelTarget: `my_library(
name = "bar",
)
my_proto_library(
name = "bar_my_proto_library_deps",
)
proto_library(
name = "bar_proto_library_deps",
)`,
expectedBazelTargetCount: 3,
expectedLoadStatements: `load("//build/bazel/rules:proto.bzl", "my_proto_library", "proto_library")
load("//build/bazel/rules:rules.bzl", "my_library")`,
},
}
dir := "."
for _, testCase := range testCases {
config := android.TestConfig(buildDir, nil, testCase.bp, nil)
ctx := android.NewTestContext(config)
ctx.RegisterModuleType("custom", customModuleFactory)
ctx.RegisterBp2BuildMutator("custom_starlark", customBp2BuildMutatorFromStarlark)
ctx.RegisterForBazelConversion()
_, errs := ctx.ParseFileList(dir, []string{"Android.bp"})
android.FailIfErrored(t, errs)
_, errs = ctx.ResolveDependencies(config)
android.FailIfErrored(t, errs)
bazelTargets := GenerateBazelTargets(ctx.Context.Context, Bp2Build)[dir]
if actualCount := len(bazelTargets); actualCount != testCase.expectedBazelTargetCount {
t.Fatalf("Expected %d bazel target, got %d", testCase.expectedBazelTargetCount, actualCount)
}
actualBazelTargets := bazelTargets.String()
if actualBazelTargets != testCase.expectedBazelTarget {
t.Errorf(
"Expected generated Bazel target to be '%s', got '%s'",
testCase.expectedBazelTarget,
actualBazelTargets,
)
}
actualLoadStatements := bazelTargets.LoadStatements()
if actualLoadStatements != testCase.expectedLoadStatements {
t.Errorf(
"Expected generated load statements to be '%s', got '%s'",
testCase.expectedLoadStatements,
actualLoadStatements,
)
}
}
}
func TestModuleTypeBp2Build(t *testing.T) {
testCases := []struct {
moduleTypeUnderTest string
moduleTypeUnderTestFactory android.ModuleFactory
moduleTypeUnderTestBp2BuildMutator func(android.TopDownMutatorContext)
bp string
expectedBazelTarget string
description string
}{
{
description: "filegroup with no srcs",
moduleTypeUnderTest: "filegroup",
moduleTypeUnderTestFactory: android.FileGroupFactory,
moduleTypeUnderTestBp2BuildMutator: android.FilegroupBp2Build,
bp: `filegroup {
name: "foo",
srcs: [],
}`,
expectedBazelTarget: `filegroup(
name = "foo",
srcs = [
],
)`,
},
{
description: "filegroup with srcs",
moduleTypeUnderTest: "filegroup",
moduleTypeUnderTestFactory: android.FileGroupFactory,
moduleTypeUnderTestBp2BuildMutator: android.FilegroupBp2Build,
bp: `filegroup {
name: "foo",
srcs: ["a", "b"],
}`,
expectedBazelTarget: `filegroup(
name = "foo",
srcs = [
"a",
"b",
],
)`,
},
{
description: "genrule with command line variable replacements",
moduleTypeUnderTest: "genrule",
moduleTypeUnderTestFactory: genrule.GenRuleFactory,
moduleTypeUnderTestBp2BuildMutator: genrule.GenruleBp2Build,
bp: `genrule {
name: "foo",
out: ["foo.out"],
srcs: ["foo.in"],
tools: [":foo.tool"],
cmd: "$(location :foo.tool) --genDir=$(genDir) arg $(in) $(out)",
}`,
expectedBazelTarget: `genrule(
name = "foo",
cmd = "$(location :foo.tool) --genDir=$(GENDIR) arg $(SRCS) $(OUTS)",
outs = [
"foo.out",
],
srcs = [
"foo.in",
],
tools = [
":foo.tool",
],
)`,
},
{
description: "genrule using $(locations :label)",
moduleTypeUnderTest: "genrule",
moduleTypeUnderTestFactory: genrule.GenRuleFactory,
moduleTypeUnderTestBp2BuildMutator: genrule.GenruleBp2Build,
bp: `genrule {
name: "foo",
out: ["foo.out"],
srcs: ["foo.in"],
tools: [":foo.tools"],
cmd: "$(locations :foo.tools) -s $(out) $(in)",
}`,
expectedBazelTarget: `genrule(
name = "foo",
cmd = "$(locations :foo.tools) -s $(OUTS) $(SRCS)",
outs = [
"foo.out",
],
srcs = [
"foo.in",
],
tools = [
":foo.tools",
],
)`,
},
{
description: "genrule using $(location) label should substitute first tool label automatically",
moduleTypeUnderTest: "genrule",
moduleTypeUnderTestFactory: genrule.GenRuleFactory,
moduleTypeUnderTestBp2BuildMutator: genrule.GenruleBp2Build,
bp: `genrule {
name: "foo",
out: ["foo.out"],
srcs: ["foo.in"],
tool_files: [":foo.tool", ":other.tool"],
cmd: "$(location) -s $(out) $(in)",
}`,
expectedBazelTarget: `genrule(
name = "foo",
cmd = "$(location :foo.tool) -s $(OUTS) $(SRCS)",
outs = [
"foo.out",
],
srcs = [
"foo.in",
],
tools = [
":foo.tool",
":other.tool",
],
)`,
},
{
description: "genrule using $(locations) label should substitute first tool label automatically",
moduleTypeUnderTest: "genrule",
moduleTypeUnderTestFactory: genrule.GenRuleFactory,
moduleTypeUnderTestBp2BuildMutator: genrule.GenruleBp2Build,
bp: `genrule {
name: "foo",
out: ["foo.out"],
srcs: ["foo.in"],
tools: [":foo.tool", ":other.tool"],
cmd: "$(locations) -s $(out) $(in)",
}`,
expectedBazelTarget: `genrule(
name = "foo",
cmd = "$(locations :foo.tool) -s $(OUTS) $(SRCS)",
outs = [
"foo.out",
],
srcs = [
"foo.in",
],
tools = [
":foo.tool",
":other.tool",
],
)`,
},
{
description: "genrule without tools or tool_files can convert successfully",
moduleTypeUnderTest: "genrule",
moduleTypeUnderTestFactory: genrule.GenRuleFactory,
moduleTypeUnderTestBp2BuildMutator: genrule.GenruleBp2Build,
bp: `genrule {
name: "foo",
out: ["foo.out"],
srcs: ["foo.in"],
cmd: "cp $(in) $(out)",
}`,
expectedBazelTarget: `genrule(
name = "foo",
cmd = "cp $(SRCS) $(OUTS)",
outs = [
"foo.out",
],
srcs = [
"foo.in",
],
)`,
},
}
dir := "."
for _, testCase := range testCases {
config := android.TestConfig(buildDir, nil, testCase.bp, nil)
ctx := android.NewTestContext(config)
ctx.RegisterModuleType(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestFactory)
ctx.RegisterBp2BuildMutator(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestBp2BuildMutator)
ctx.RegisterForBazelConversion()
_, errs := ctx.ParseFileList(dir, []string{"Android.bp"})
android.FailIfErrored(t, errs)
_, errs = ctx.ResolveDependencies(config)
android.FailIfErrored(t, errs)
bazelTargets := GenerateBazelTargets(ctx.Context.Context, Bp2Build)[dir]
if actualCount, expectedCount := len(bazelTargets), 1; actualCount != expectedCount {
t.Fatalf("%s: Expected %d bazel target, got %d", testCase.description, expectedCount, actualCount)
}
actualBazelTarget := bazelTargets[0]
if actualBazelTarget.content != testCase.expectedBazelTarget {
t.Errorf(
"%s: Expected generated Bazel target to be '%s', got '%s'",
testCase.description,
testCase.expectedBazelTarget,
actualBazelTarget.content,
)
}
}
}
type bp2buildMutator = func(android.TopDownMutatorContext)
func TestBp2BuildInlinesDefaults(t *testing.T) {
testCases := []struct {
moduleTypesUnderTest map[string]android.ModuleFactory
bp2buildMutatorsUnderTest map[string]bp2buildMutator
bp string
expectedBazelTarget string
description string
}{
{
moduleTypesUnderTest: map[string]android.ModuleFactory{
"genrule": genrule.GenRuleFactory,
"genrule_defaults": func() android.Module { return genrule.DefaultsFactory() },
},
bp2buildMutatorsUnderTest: map[string]bp2buildMutator{
"genrule": genrule.GenruleBp2Build,
},
bp: `genrule_defaults {
name: "gen_defaults",
cmd: "do-something $(in) $(out)",
}
genrule {
name: "gen",
out: ["out"],
srcs: ["in1"],
defaults: ["gen_defaults"],
}
`,
expectedBazelTarget: `genrule(
name = "gen",
cmd = "do-something $(SRCS) $(OUTS)",
outs = [
"out",
],
srcs = [
"in1",
],
)`,
description: "genrule applies properties from a genrule_defaults dependency if not specified",
},
{
moduleTypesUnderTest: map[string]android.ModuleFactory{
"genrule": genrule.GenRuleFactory,
"genrule_defaults": func() android.Module { return genrule.DefaultsFactory() },
},
bp2buildMutatorsUnderTest: map[string]bp2buildMutator{
"genrule": genrule.GenruleBp2Build,
},
bp: `genrule_defaults {
name: "gen_defaults",
out: ["out-from-defaults"],
srcs: ["in-from-defaults"],
cmd: "cmd-from-defaults",
}
genrule {
name: "gen",
out: ["out"],
srcs: ["in1"],
defaults: ["gen_defaults"],
cmd: "do-something $(in) $(out)",
}
`,
expectedBazelTarget: `genrule(
name = "gen",
cmd = "do-something $(SRCS) $(OUTS)",
outs = [
"out-from-defaults",
"out",
],
srcs = [
"in-from-defaults",
"in1",
],
)`,
description: "genrule does merges properties from a genrule_defaults dependency, latest-first",
},
{
moduleTypesUnderTest: map[string]android.ModuleFactory{
"genrule": genrule.GenRuleFactory,
"genrule_defaults": func() android.Module { return genrule.DefaultsFactory() },
},
bp2buildMutatorsUnderTest: map[string]bp2buildMutator{
"genrule": genrule.GenruleBp2Build,
},
bp: `genrule_defaults {
name: "gen_defaults1",
cmd: "cp $(in) $(out)",
}
genrule_defaults {
name: "gen_defaults2",
srcs: ["in1"],
}
genrule {
name: "gen",
out: ["out"],
defaults: ["gen_defaults1", "gen_defaults2"],
}
`,
expectedBazelTarget: `genrule(
name = "gen",
cmd = "cp $(SRCS) $(OUTS)",
outs = [
"out",
],
srcs = [
"in1",
],
)`,
description: "genrule applies properties from list of genrule_defaults",
},
{
moduleTypesUnderTest: map[string]android.ModuleFactory{
"genrule": genrule.GenRuleFactory,
"genrule_defaults": func() android.Module { return genrule.DefaultsFactory() },
},
bp2buildMutatorsUnderTest: map[string]bp2buildMutator{
"genrule": genrule.GenruleBp2Build,
},
bp: `genrule_defaults {
name: "gen_defaults1",
defaults: ["gen_defaults2"],
cmd: "cmd1 $(in) $(out)", // overrides gen_defaults2's cmd property value.
}
genrule_defaults {
name: "gen_defaults2",
defaults: ["gen_defaults3"],
cmd: "cmd2 $(in) $(out)",
out: ["out-from-2"],
srcs: ["in1"],
}
genrule_defaults {
name: "gen_defaults3",
out: ["out-from-3"],
srcs: ["srcs-from-3"],
}
genrule {
name: "gen",
out: ["out"],
defaults: ["gen_defaults1"],
}
`,
expectedBazelTarget: `genrule(
name = "gen",
cmd = "cmd1 $(SRCS) $(OUTS)",
outs = [
"out-from-3",
"out-from-2",
"out",
],
srcs = [
"srcs-from-3",
"in1",
],
)`,
description: "genrule applies properties from genrule_defaults transitively",
},
}
dir := "."
for _, testCase := range testCases {
config := android.TestConfig(buildDir, nil, testCase.bp, nil)
ctx := android.NewTestContext(config)
for m, factory := range testCase.moduleTypesUnderTest {
ctx.RegisterModuleType(m, factory)
}
for mutator, f := range testCase.bp2buildMutatorsUnderTest {
ctx.RegisterBp2BuildMutator(mutator, f)
}
ctx.RegisterForBazelConversion()
_, errs := ctx.ParseFileList(dir, []string{"Android.bp"})
android.FailIfErrored(t, errs)
_, errs = ctx.ResolveDependencies(config)
android.FailIfErrored(t, errs)
bazelTargets := GenerateBazelTargets(ctx.Context.Context, Bp2Build)[dir]
if actualCount := len(bazelTargets); actualCount != 1 {
t.Fatalf("%s: Expected 1 bazel target, got %d", testCase.description, actualCount)
}
actualBazelTarget := bazelTargets[0]
if actualBazelTarget.content != testCase.expectedBazelTarget {
t.Errorf(
"%s: Expected generated Bazel target to be '%s', got '%s'",
testCase.description,
testCase.expectedBazelTarget,
actualBazelTarget.content,
)
}
}
}