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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 (
"fmt"
"strings"
"testing"
"android/soong/android"
"android/soong/python"
)
func TestGenerateSoongModuleTargets(t *testing.T) {
testCases := []struct {
description string
bp string
expectedBazelTarget string
}{
{
description: "only name",
bp: `custom { name: "foo" }
`,
expectedBazelTarget: `soong_module(
name = "foo",
soong_module_name = "foo",
soong_module_type = "custom",
soong_module_variant = "",
soong_module_deps = [
],
bool_prop = False,
string_prop = "",
)`,
},
{
description: "handles bool",
bp: `custom {
name: "foo",
bool_prop: true,
}
`,
expectedBazelTarget: `soong_module(
name = "foo",
soong_module_name = "foo",
soong_module_type = "custom",
soong_module_variant = "",
soong_module_deps = [
],
bool_prop = True,
string_prop = "",
)`,
},
{
description: "string escaping",
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 = [
],
bool_prop = False,
owner = "a_string_with\"quotes\"_and_\\backslashes\\\\",
string_prop = "",
)`,
},
{
description: "single item string list",
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 = [
],
bool_prop = False,
required = ["bar"],
string_prop = "",
)`,
},
{
description: "list of strings",
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 = [
],
bool_prop = False,
string_prop = "",
target_required = [
"qux",
"bazqux",
],
)`,
},
{
description: "dist/dists",
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 = [
],
bool_prop = False,
dist = {
"tag": ".foo",
"targets": ["goal_foo"],
},
dists = [{
"tag": ".bar",
"targets": ["goal_bar"],
}],
string_prop = "",
)`,
},
{
description: "put it together",
bp: `custom {
name: "foo",
required: ["bar"],
target_required: ["qux", "bazqux"],
bool_prop: 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 = [
],
bool_prop = True,
dists = [{
"tag": ".tag",
"targets": ["my_goal"],
}],
owner = "custom_owner",
required = ["bar"],
string_prop = "",
target_required = [
"qux",
"bazqux",
],
)`,
},
}
dir := "."
for _, testCase := range testCases {
t.Run(testCase.description, func(t *testing.T) {
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)
codegenCtx := NewCodegenContext(config, *ctx.Context, QueryView)
bazelTargets, err := generateBazelTargetsForDir(codegenCtx, dir)
android.FailIfErrored(t, err)
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 := []bp2buildTestCase{
{
description: "string ptr props",
blueprint: `custom {
name: "foo",
string_ptr_prop: "",
bazel_module: { bp2build_available: true },
}`,
expectedBazelTargets: []string{
makeBazelTarget("custom", "foo", attrNameToString{
"string_ptr_prop": `""`,
}),
},
},
{
description: "string props",
blueprint: `custom {
name: "foo",
string_list_prop: ["a", "b"],
string_ptr_prop: "a",
bazel_module: { bp2build_available: true },
}`,
expectedBazelTargets: []string{
makeBazelTarget("custom", "foo", attrNameToString{
"string_list_prop": `[
"a",
"b",
]`,
"string_ptr_prop": `"a"`,
}),
},
},
{
description: "control characters",
blueprint: `custom {
name: "foo",
string_list_prop: ["\t", "\n"],
string_ptr_prop: "a\t\n\r",
bazel_module: { bp2build_available: true },
}`,
expectedBazelTargets: []string{
makeBazelTarget("custom", "foo", attrNameToString{
"string_list_prop": `[
"\t",
"\n",
]`,
"string_ptr_prop": `"a\t\n\r"`,
}),
},
},
{
description: "handles dep",
blueprint: `custom {
name: "has_dep",
arch_paths: [":dep"],
bazel_module: { bp2build_available: true },
}
custom {
name: "dep",
arch_paths: ["abc"],
bazel_module: { bp2build_available: true },
}`,
expectedBazelTargets: []string{
makeBazelTarget("custom", "dep", attrNameToString{
"arch_paths": `["abc"]`,
}),
makeBazelTarget("custom", "has_dep", attrNameToString{
"arch_paths": `[":dep"]`,
}),
},
},
{
description: "arch-variant srcs",
blueprint: `custom {
name: "arch_paths",
arch: {
x86: { arch_paths: ["x86.txt"] },
x86_64: { arch_paths: ["x86_64.txt"] },
arm: { arch_paths: ["arm.txt"] },
arm64: { arch_paths: ["arm64.txt"] },
},
target: {
linux: { arch_paths: ["linux.txt"] },
bionic: { arch_paths: ["bionic.txt"] },
host: { arch_paths: ["host.txt"] },
not_windows: { arch_paths: ["not_windows.txt"] },
android: { arch_paths: ["android.txt"] },
linux_musl: { arch_paths: ["linux_musl.txt"] },
musl: { arch_paths: ["musl.txt"] },
linux_glibc: { arch_paths: ["linux_glibc.txt"] },
glibc: { arch_paths: ["glibc.txt"] },
linux_bionic: { arch_paths: ["linux_bionic.txt"] },
darwin: { arch_paths: ["darwin.txt"] },
windows: { arch_paths: ["windows.txt"] },
},
multilib: {
lib32: { arch_paths: ["lib32.txt"] },
lib64: { arch_paths: ["lib64.txt"] },
},
bazel_module: { bp2build_available: true },
}`,
expectedBazelTargets: []string{
makeBazelTarget("custom", "arch_paths", attrNameToString{
"arch_paths": `select({
"//build/bazel/platforms/arch:arm": [
"arm.txt",
"lib32.txt",
],
"//build/bazel/platforms/arch:arm64": [
"arm64.txt",
"lib64.txt",
],
"//build/bazel/platforms/arch:x86": [
"x86.txt",
"lib32.txt",
],
"//build/bazel/platforms/arch:x86_64": [
"x86_64.txt",
"lib64.txt",
],
"//conditions:default": [],
}) + select({
"//build/bazel/platforms/os:android": [
"linux.txt",
"bionic.txt",
"android.txt",
],
"//build/bazel/platforms/os:darwin": [
"host.txt",
"darwin.txt",
"not_windows.txt",
],
"//build/bazel/platforms/os:linux": [
"host.txt",
"linux.txt",
"glibc.txt",
"linux_glibc.txt",
"not_windows.txt",
],
"//build/bazel/platforms/os:linux_bionic": [
"host.txt",
"linux.txt",
"bionic.txt",
"linux_bionic.txt",
"not_windows.txt",
],
"//build/bazel/platforms/os:linux_musl": [
"host.txt",
"linux.txt",
"musl.txt",
"linux_musl.txt",
"not_windows.txt",
],
"//build/bazel/platforms/os:windows": [
"host.txt",
"windows.txt",
],
"//conditions:default": [],
})`,
}),
},
},
{
description: "arch-variant deps",
blueprint: `custom {
name: "has_dep",
arch: {
x86: {
arch_paths: [":dep"],
},
},
bazel_module: { bp2build_available: true },
}
custom {
name: "dep",
arch_paths: ["abc"],
bazel_module: { bp2build_available: true },
}`,
expectedBazelTargets: []string{
makeBazelTarget("custom", "dep", attrNameToString{
"arch_paths": `["abc"]`,
}),
makeBazelTarget("custom", "has_dep", attrNameToString{
"arch_paths": `select({
"//build/bazel/platforms/arch:x86": [":dep"],
"//conditions:default": [],
})`,
}),
},
},
{
description: "embedded props",
blueprint: `custom {
name: "embedded_props",
embedded_prop: "abc",
bazel_module: { bp2build_available: true },
}`,
expectedBazelTargets: []string{
makeBazelTarget("custom", "embedded_props", attrNameToString{
"embedded_attr": `"abc"`,
}),
},
},
{
description: "ptr to embedded props",
blueprint: `custom {
name: "ptr_to_embedded_props",
other_embedded_prop: "abc",
bazel_module: { bp2build_available: true },
}`,
expectedBazelTargets: []string{
makeBazelTarget("custom", "ptr_to_embedded_props", attrNameToString{
"other_embedded_attr": `"abc"`,
}),
},
},
}
dir := "."
for _, testCase := range testCases {
t.Run(testCase.description, func(t *testing.T) {
config := android.TestConfig(buildDir, nil, testCase.blueprint, nil)
ctx := android.NewTestContext(config)
registerCustomModuleForBp2buildConversion(ctx)
_, errs := ctx.ParseFileList(dir, []string{"Android.bp"})
if errored(t, testCase, errs) {
return
}
_, errs = ctx.ResolveDependencies(config)
if errored(t, testCase, errs) {
return
}
codegenCtx := NewCodegenContext(config, *ctx.Context, Bp2Build)
bazelTargets, err := generateBazelTargetsForDir(codegenCtx, dir)
android.FailIfErrored(t, err)
if actualCount, expectedCount := len(bazelTargets), len(testCase.expectedBazelTargets); actualCount != expectedCount {
t.Errorf("Expected %d bazel target (%s),\ngot %d (%s)", expectedCount, testCase.expectedBazelTargets, actualCount, bazelTargets)
} else {
for i, expectedBazelTarget := range testCase.expectedBazelTargets {
actualBazelTarget := bazelTargets[i]
if actualBazelTarget.content != expectedBazelTarget {
t.Errorf(
"Expected generated Bazel target to be '%s', got '%s'",
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",
one_to_many_prop: true,
bazel_module: { bp2build_available: true },
}`,
expectedBazelTarget: `my_library(
name = "bar",
)
proto_library(
name = "bar_proto_library_deps",
)
my_proto_library(
name = "bar_my_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.RegisterForBazelConversion()
_, errs := ctx.ParseFileList(dir, []string{"Android.bp"})
android.FailIfErrored(t, errs)
_, errs = ctx.ResolveDependencies(config)
android.FailIfErrored(t, errs)
codegenCtx := NewCodegenContext(config, *ctx.Context, Bp2Build)
bazelTargets, err := generateBazelTargetsForDir(codegenCtx, dir)
android.FailIfErrored(t, err)
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 := []bp2buildTestCase{
{
description: "filegroup with does not specify srcs",
moduleTypeUnderTest: "filegroup",
moduleTypeUnderTestFactory: android.FileGroupFactory,
blueprint: `filegroup {
name: "fg_foo",
bazel_module: { bp2build_available: true },
}`,
expectedBazelTargets: []string{
makeBazelTarget("filegroup", "fg_foo", map[string]string{}),
},
},
{
description: "filegroup with no srcs",
moduleTypeUnderTest: "filegroup",
moduleTypeUnderTestFactory: android.FileGroupFactory,
blueprint: `filegroup {
name: "fg_foo",
srcs: [],
bazel_module: { bp2build_available: true },
}`,
expectedBazelTargets: []string{
makeBazelTarget("filegroup", "fg_foo", map[string]string{}),
},
},
{
description: "filegroup with srcs",
moduleTypeUnderTest: "filegroup",
moduleTypeUnderTestFactory: android.FileGroupFactory,
blueprint: `filegroup {
name: "fg_foo",
srcs: ["a", "b"],
bazel_module: { bp2build_available: true },
}`,
expectedBazelTargets: []string{
makeBazelTarget("filegroup", "fg_foo", map[string]string{
"srcs": `[
"a",
"b",
]`,
}),
},
},
{
description: "filegroup with excludes srcs",
moduleTypeUnderTest: "filegroup",
moduleTypeUnderTestFactory: android.FileGroupFactory,
blueprint: `filegroup {
name: "fg_foo",
srcs: ["a", "b"],
exclude_srcs: ["a"],
bazel_module: { bp2build_available: true },
}`,
expectedBazelTargets: []string{
makeBazelTarget("filegroup", "fg_foo", map[string]string{
"srcs": `["b"]`,
}),
},
},
{
description: "filegroup with glob",
moduleTypeUnderTest: "filegroup",
moduleTypeUnderTestFactory: android.FileGroupFactory,
blueprint: `filegroup {
name: "fg_foo",
srcs: ["**/*.txt"],
bazel_module: { bp2build_available: true },
}`,
expectedBazelTargets: []string{
makeBazelTarget("filegroup", "fg_foo", map[string]string{
"srcs": `[
"other/a.txt",
"other/b.txt",
"other/subdir/a.txt",
]`,
}),
},
filesystem: map[string]string{
"other/a.txt": "",
"other/b.txt": "",
"other/subdir/a.txt": "",
"other/file": "",
},
},
{
description: "filegroup with glob in subdir",
moduleTypeUnderTest: "filegroup",
moduleTypeUnderTestFactory: android.FileGroupFactory,
dir: "other",
filesystem: map[string]string{
"other/Android.bp": `filegroup {
name: "fg_foo",
srcs: ["**/*.txt"],
bazel_module: { bp2build_available: true },
}`,
"other/a.txt": "",
"other/b.txt": "",
"other/subdir/a.txt": "",
"other/file": "",
},
expectedBazelTargets: []string{
makeBazelTarget("filegroup", "fg_foo", map[string]string{
"srcs": `[
"a.txt",
"b.txt",
"subdir/a.txt",
]`,
}),
},
},
{
description: "depends_on_other_dir_module",
moduleTypeUnderTest: "filegroup",
moduleTypeUnderTestFactory: android.FileGroupFactory,
blueprint: `filegroup {
name: "fg_foo",
srcs: [
":foo",
"c",
],
bazel_module: { bp2build_available: true },
}`,
filesystem: map[string]string{
"other/Android.bp": `filegroup {
name: "foo",
srcs: ["a", "b"],
bazel_module: { bp2build_available: true },
}`,
},
expectedBazelTargets: []string{
makeBazelTarget("filegroup", "fg_foo", map[string]string{
"srcs": `[
"//other:foo",
"c",
]`,
}),
},
},
{
description: "depends_on_other_unconverted_module_error",
moduleTypeUnderTest: "filegroup",
moduleTypeUnderTestFactory: android.FileGroupFactory,
unconvertedDepsMode: errorModulesUnconvertedDeps,
blueprint: `filegroup {
name: "foobar",
srcs: [
":foo",
"c",
],
bazel_module: { bp2build_available: true },
}`,
expectedErr: fmt.Errorf(`"foobar" depends on unconverted modules: foo`),
filesystem: map[string]string{
"other/Android.bp": `filegroup {
name: "foo",
srcs: ["a", "b"],
}`,
},
},
}
for _, testCase := range testCases {
t.Run(testCase.description, func(t *testing.T) {
runBp2BuildTestCase(t, func(ctx android.RegistrationContext) {}, testCase)
})
}
}
type bp2buildMutator = func(android.TopDownMutatorContext)
func TestAllowlistingBp2buildTargetsExplicitly(t *testing.T) {
testCases := []struct {
moduleTypeUnderTest string
moduleTypeUnderTestFactory android.ModuleFactory
bp string
expectedCount int
description string
}{
{
description: "explicitly unavailable",
moduleTypeUnderTest: "filegroup",
moduleTypeUnderTestFactory: android.FileGroupFactory,
bp: `filegroup {
name: "foo",
srcs: ["a", "b"],
bazel_module: { bp2build_available: false },
}`,
expectedCount: 0,
},
{
description: "implicitly unavailable",
moduleTypeUnderTest: "filegroup",
moduleTypeUnderTestFactory: android.FileGroupFactory,
bp: `filegroup {
name: "foo",
srcs: ["a", "b"],
}`,
expectedCount: 0,
},
{
description: "explicitly available",
moduleTypeUnderTest: "filegroup",
moduleTypeUnderTestFactory: android.FileGroupFactory,
bp: `filegroup {
name: "foo",
srcs: ["a", "b"],
bazel_module: { bp2build_available: true },
}`,
expectedCount: 1,
},
{
description: "generates more than 1 target if needed",
moduleTypeUnderTest: "custom",
moduleTypeUnderTestFactory: customModuleFactory,
bp: `custom {
name: "foo",
one_to_many_prop: true,
bazel_module: { bp2build_available: true },
}`,
expectedCount: 3,
},
}
dir := "."
for _, testCase := range testCases {
t.Run(testCase.description, func(t *testing.T) {
config := android.TestConfig(buildDir, nil, testCase.bp, nil)
ctx := android.NewTestContext(config)
ctx.RegisterModuleType(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestFactory)
ctx.RegisterForBazelConversion()
_, errs := ctx.ParseFileList(dir, []string{"Android.bp"})
android.FailIfErrored(t, errs)
_, errs = ctx.ResolveDependencies(config)
android.FailIfErrored(t, errs)
codegenCtx := NewCodegenContext(config, *ctx.Context, Bp2Build)
bazelTargets, err := generateBazelTargetsForDir(codegenCtx, dir)
android.FailIfErrored(t, err)
if actualCount := len(bazelTargets); actualCount != testCase.expectedCount {
t.Fatalf("%s: Expected %d bazel target, got %d", testCase.description, testCase.expectedCount, actualCount)
}
})
}
}
func TestAllowlistingBp2buildTargetsWithConfig(t *testing.T) {
testCases := []struct {
moduleTypeUnderTest string
moduleTypeUnderTestFactory android.ModuleFactory
expectedCount map[string]int
description string
bp2buildConfig android.Bp2BuildConfig
checkDir string
fs map[string]string
}{
{
description: "test bp2build config package and subpackages config",
moduleTypeUnderTest: "filegroup",
moduleTypeUnderTestFactory: android.FileGroupFactory,
expectedCount: map[string]int{
"migrated": 1,
"migrated/but_not_really": 0,
"migrated/but_not_really/but_really": 1,
"not_migrated": 0,
"also_not_migrated": 0,
},
bp2buildConfig: android.Bp2BuildConfig{
"migrated": android.Bp2BuildDefaultTrueRecursively,
"migrated/but_not_really": android.Bp2BuildDefaultFalse,
"not_migrated": android.Bp2BuildDefaultFalse,
},
fs: map[string]string{
"migrated/Android.bp": `filegroup { name: "a" }`,
"migrated/but_not_really/Android.bp": `filegroup { name: "b" }`,
"migrated/but_not_really/but_really/Android.bp": `filegroup { name: "c" }`,
"not_migrated/Android.bp": `filegroup { name: "d" }`,
"also_not_migrated/Android.bp": `filegroup { name: "e" }`,
},
},
{
description: "test bp2build config opt-in and opt-out",
moduleTypeUnderTest: "filegroup",
moduleTypeUnderTestFactory: android.FileGroupFactory,
expectedCount: map[string]int{
"package-opt-in": 2,
"package-opt-in/subpackage": 0,
"package-opt-out": 1,
"package-opt-out/subpackage": 0,
},
bp2buildConfig: android.Bp2BuildConfig{
"package-opt-in": android.Bp2BuildDefaultFalse,
"package-opt-out": android.Bp2BuildDefaultTrueRecursively,
},
fs: map[string]string{
"package-opt-in/Android.bp": `
filegroup { name: "opt-in-a" }
filegroup { name: "opt-in-b", bazel_module: { bp2build_available: true } }
filegroup { name: "opt-in-c", bazel_module: { bp2build_available: true } }
`,
"package-opt-in/subpackage/Android.bp": `
filegroup { name: "opt-in-d" } // parent package not configured to DefaultTrueRecursively
`,
"package-opt-out/Android.bp": `
filegroup { name: "opt-out-a" }
filegroup { name: "opt-out-b", bazel_module: { bp2build_available: false } }
filegroup { name: "opt-out-c", bazel_module: { bp2build_available: false } }
`,
"package-opt-out/subpackage/Android.bp": `
filegroup { name: "opt-out-g", bazel_module: { bp2build_available: false } }
filegroup { name: "opt-out-h", bazel_module: { bp2build_available: false } }
`,
},
},
}
dir := "."
for _, testCase := range testCases {
fs := make(map[string][]byte)
toParse := []string{
"Android.bp",
}
for f, content := range testCase.fs {
if strings.HasSuffix(f, "Android.bp") {
toParse = append(toParse, f)
}
fs[f] = []byte(content)
}
config := android.TestConfig(buildDir, nil, "", fs)
ctx := android.NewTestContext(config)
ctx.RegisterModuleType(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestFactory)
ctx.RegisterBp2BuildConfig(testCase.bp2buildConfig)
ctx.RegisterForBazelConversion()
_, errs := ctx.ParseFileList(dir, toParse)
android.FailIfErrored(t, errs)
_, errs = ctx.ResolveDependencies(config)
android.FailIfErrored(t, errs)
codegenCtx := NewCodegenContext(config, *ctx.Context, Bp2Build)
// For each directory, test that the expected number of generated targets is correct.
for dir, expectedCount := range testCase.expectedCount {
bazelTargets, err := generateBazelTargetsForDir(codegenCtx, dir)
android.FailIfErrored(t, err)
if actualCount := len(bazelTargets); actualCount != expectedCount {
t.Fatalf(
"%s: Expected %d bazel target for %s package, got %d",
testCase.description,
expectedCount,
dir,
actualCount)
}
}
}
}
func TestCombineBuildFilesBp2buildTargets(t *testing.T) {
testCases := []bp2buildTestCase{
{
description: "filegroup bazel_module.label",
moduleTypeUnderTest: "filegroup",
moduleTypeUnderTestFactory: android.FileGroupFactory,
blueprint: `filegroup {
name: "fg_foo",
bazel_module: { label: "//other:fg_foo" },
}`,
expectedBazelTargets: []string{
`// BUILD file`,
},
filesystem: map[string]string{
"other/BUILD.bazel": `// BUILD file`,
},
},
{
description: "multiple bazel_module.label same BUILD",
moduleTypeUnderTest: "filegroup",
moduleTypeUnderTestFactory: android.FileGroupFactory,
blueprint: `filegroup {
name: "fg_foo",
bazel_module: { label: "//other:fg_foo" },
}
filegroup {
name: "foo",
bazel_module: { label: "//other:foo" },
}`,
expectedBazelTargets: []string{
`// BUILD file`,
},
filesystem: map[string]string{
"other/BUILD.bazel": `// BUILD file`,
},
},
{
description: "filegroup bazel_module.label and bp2build in subdir",
moduleTypeUnderTest: "filegroup",
moduleTypeUnderTestFactory: android.FileGroupFactory,
dir: "other",
blueprint: ``,
filesystem: map[string]string{
"other/Android.bp": `filegroup {
name: "fg_foo",
bazel_module: {
bp2build_available: true,
},
}
filegroup {
name: "fg_bar",
bazel_module: {
label: "//other:fg_bar"
},
}`,
"other/BUILD.bazel": `// definition for fg_bar`,
},
expectedBazelTargets: []string{
makeBazelTarget("filegroup", "fg_foo", map[string]string{}),
`// definition for fg_bar`,
},
},
{
description: "filegroup bazel_module.label and filegroup bp2build",
moduleTypeUnderTest: "filegroup",
moduleTypeUnderTestFactory: android.FileGroupFactory,
filesystem: map[string]string{
"other/BUILD.bazel": `// BUILD file`,
},
blueprint: `filegroup {
name: "fg_foo",
bazel_module: {
label: "//other:fg_foo",
},
}
filegroup {
name: "fg_bar",
bazel_module: {
bp2build_available: true,
},
}`,
expectedBazelTargets: []string{
makeBazelTarget("filegroup", "fg_bar", map[string]string{}),
`// BUILD file`,
},
},
}
dir := "."
for _, testCase := range testCases {
t.Run(testCase.description, func(t *testing.T) {
fs := make(map[string][]byte)
toParse := []string{
"Android.bp",
}
for f, content := range testCase.filesystem {
if strings.HasSuffix(f, "Android.bp") {
toParse = append(toParse, f)
}
fs[f] = []byte(content)
}
config := android.TestConfig(buildDir, nil, testCase.blueprint, fs)
ctx := android.NewTestContext(config)
ctx.RegisterModuleType(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestFactory)
ctx.RegisterForBazelConversion()
_, errs := ctx.ParseFileList(dir, toParse)
if errored(t, testCase, errs) {
return
}
_, errs = ctx.ResolveDependencies(config)
if errored(t, testCase, errs) {
return
}
checkDir := dir
if testCase.dir != "" {
checkDir = testCase.dir
}
codegenCtx := NewCodegenContext(config, *ctx.Context, Bp2Build)
bazelTargets, err := generateBazelTargetsForDir(codegenCtx, checkDir)
android.FailIfErrored(t, err)
bazelTargets.sort()
actualCount := len(bazelTargets)
expectedCount := len(testCase.expectedBazelTargets)
if actualCount != expectedCount {
t.Errorf("Expected %d bazel target, got %d\n%s", expectedCount, actualCount, bazelTargets)
}
if !strings.Contains(bazelTargets.String(), "Section: Handcrafted targets. ") {
t.Errorf("Expected string representation of bazelTargets to contain handcrafted section header.")
}
for i, target := range bazelTargets {
actualContent := target.content
expectedContent := testCase.expectedBazelTargets[i]
if expectedContent != actualContent {
t.Errorf(
"Expected generated Bazel target to be '%s', got '%s'",
expectedContent,
actualContent,
)
}
}
})
}
}
func TestGlobExcludeSrcs(t *testing.T) {
testCases := []bp2buildTestCase{
{
description: "filegroup top level exclude_srcs",
moduleTypeUnderTest: "filegroup",
moduleTypeUnderTestFactory: android.FileGroupFactory,
blueprint: `filegroup {
name: "fg_foo",
srcs: ["**/*.txt"],
exclude_srcs: ["c.txt"],
bazel_module: { bp2build_available: true },
}`,
filesystem: map[string]string{
"a.txt": "",
"b.txt": "",
"c.txt": "",
"dir/Android.bp": "",
"dir/e.txt": "",
"dir/f.txt": "",
},
expectedBazelTargets: []string{
makeBazelTarget("filegroup", "fg_foo", map[string]string{
"srcs": `[
"a.txt",
"b.txt",
"//dir:e.txt",
"//dir:f.txt",
]`,
}),
},
},
{
description: "filegroup in subdir exclude_srcs",
moduleTypeUnderTest: "filegroup",
moduleTypeUnderTestFactory: android.FileGroupFactory,
blueprint: "",
dir: "dir",
filesystem: map[string]string{
"dir/Android.bp": `filegroup {
name: "fg_foo",
srcs: ["**/*.txt"],
exclude_srcs: ["b.txt"],
bazel_module: { bp2build_available: true },
}
`,
"dir/a.txt": "",
"dir/b.txt": "",
"dir/subdir/Android.bp": "",
"dir/subdir/e.txt": "",
"dir/subdir/f.txt": "",
},
expectedBazelTargets: []string{
makeBazelTarget("filegroup", "fg_foo", map[string]string{
"srcs": `[
"a.txt",
"//dir/subdir:e.txt",
"//dir/subdir:f.txt",
]`,
}),
},
},
}
for _, testCase := range testCases {
t.Run(testCase.description, func(t *testing.T) {
runBp2BuildTestCaseSimple(t, testCase)
})
}
}
func TestCommonBp2BuildModuleAttrs(t *testing.T) {
testCases := []bp2buildTestCase{
{
description: "Required into data test",
moduleTypeUnderTest: "filegroup",
moduleTypeUnderTestFactory: android.FileGroupFactory,
blueprint: simpleModuleDoNotConvertBp2build("filegroup", "reqd") + `
filegroup {
name: "fg_foo",
required: ["reqd"],
bazel_module: { bp2build_available: true },
}`,
expectedBazelTargets: []string{
makeBazelTarget("filegroup", "fg_foo", map[string]string{
"data": `[":reqd"]`,
}),
},
},
{
description: "Required via arch into data test",
moduleTypeUnderTest: "python_library",
moduleTypeUnderTestFactory: python.PythonLibraryFactory,
blueprint: simpleModuleDoNotConvertBp2build("python_library", "reqdx86") +
simpleModuleDoNotConvertBp2build("python_library", "reqdarm") + `
python_library {
name: "fg_foo",
arch: {
arm: {
required: ["reqdarm"],
},
x86: {
required: ["reqdx86"],
},
},
bazel_module: { bp2build_available: true },
}`,
expectedBazelTargets: []string{
makeBazelTarget("py_library", "fg_foo", map[string]string{
"data": `select({
"//build/bazel/platforms/arch:arm": [":reqdarm"],
"//build/bazel/platforms/arch:x86": [":reqdx86"],
"//conditions:default": [],
})`,
"srcs_version": `"PY3"`,
}),
},
},
{
description: "Required appended to data test",
moduleTypeUnderTest: "python_library",
moduleTypeUnderTestFactory: python.PythonLibraryFactory,
filesystem: map[string]string{
"data.bin": "",
"src.py": "",
},
blueprint: simpleModuleDoNotConvertBp2build("python_library", "reqd") + `
python_library {
name: "fg_foo",
data: ["data.bin"],
required: ["reqd"],
bazel_module: { bp2build_available: true },
}`,
expectedBazelTargets: []string{
makeBazelTarget("py_library", "fg_foo", map[string]string{
"data": `[
"data.bin",
":reqd",
]`,
"srcs_version": `"PY3"`,
}),
},
},
{
description: "All props-to-attrs at once together test",
moduleTypeUnderTest: "filegroup",
moduleTypeUnderTestFactory: android.FileGroupFactory,
blueprint: simpleModuleDoNotConvertBp2build("filegroup", "reqd") + `
filegroup {
name: "fg_foo",
required: ["reqd"],
bazel_module: { bp2build_available: true },
}`,
expectedBazelTargets: []string{
makeBazelTarget("filegroup", "fg_foo", map[string]string{
"data": `[":reqd"]`,
}),
},
},
}
for _, tc := range testCases {
t.Run(tc.description, func(t *testing.T) {
runBp2BuildTestCaseSimple(t, tc)
})
}
}