Files
build_soong/bp2build/cc_library_headers_conversion_test.go
Chris Parsons 5a34ffb350 Remove bp2build deps mutator
Refactor bp2build to retrieve modules directly by name, instead of via
DirectDeps. This functions properly as bp2build has no need for variant
information of the blueprint graph.

Test: USE_BAZEL_ANALYSIS=1 m fmtlib
Change-Id: Ief4b67bc56f24929871af772f3a742f07085bf8c
2021-07-22 18:09:34 -04:00

409 lines
12 KiB
Go

// Copyright 2021 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 (
"testing"
"android/soong/android"
"android/soong/cc"
)
const (
// See cc/testing.go for more context
soongCcLibraryHeadersPreamble = `
cc_defaults {
name: "linux_bionic_supported",
}
toolchain_library {
name: "libclang_rt.builtins-x86_64-android",
defaults: ["linux_bionic_supported"],
vendor_available: true,
vendor_ramdisk_available: true,
product_available: true,
recovery_available: true,
native_bridge_supported: true,
src: "",
}`
)
type bp2buildTestCase struct {
description string
moduleTypeUnderTest string
moduleTypeUnderTestFactory android.ModuleFactory
moduleTypeUnderTestBp2BuildMutator func(android.TopDownMutatorContext)
blueprint string
expectedBazelTargets []string
filesystem map[string]string
dir string
}
func TestCcLibraryHeadersLoadStatement(t *testing.T) {
testCases := []struct {
bazelTargets BazelTargets
expectedLoadStatements string
}{
{
bazelTargets: BazelTargets{
BazelTarget{
name: "cc_library_headers_target",
ruleClass: "cc_library_headers",
// Note: no bzlLoadLocation for native rules
},
},
expectedLoadStatements: ``,
},
}
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 registerCcLibraryHeadersModuleTypes(ctx android.RegistrationContext) {
cc.RegisterCCBuildComponents(ctx)
ctx.RegisterModuleType("toolchain_library", cc.ToolchainLibraryFactory)
}
func runCcLibraryHeadersTestCase(t *testing.T, tc bp2buildTestCase) {
t.Helper()
runBp2BuildTestCase(t, registerCcLibraryHeadersModuleTypes, tc)
}
func TestCcLibraryHeadersSimple(t *testing.T) {
runCcLibraryHeadersTestCase(t, bp2buildTestCase{
description: "cc_library_headers test",
moduleTypeUnderTest: "cc_library_headers",
moduleTypeUnderTestFactory: cc.LibraryHeaderFactory,
moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryHeadersBp2Build,
filesystem: map[string]string{
"lib-1/lib1a.h": "",
"lib-1/lib1b.h": "",
"lib-2/lib2a.h": "",
"lib-2/lib2b.h": "",
"dir-1/dir1a.h": "",
"dir-1/dir1b.h": "",
"dir-2/dir2a.h": "",
"dir-2/dir2b.h": "",
"arch_arm64_exported_include_dir/a.h": "",
"arch_x86_exported_include_dir/b.h": "",
"arch_x86_64_exported_include_dir/c.h": "",
},
blueprint: soongCcLibraryHeadersPreamble + `
cc_library_headers {
name: "lib-1",
export_include_dirs: ["lib-1"],
}
cc_library_headers {
name: "lib-2",
export_include_dirs: ["lib-2"],
}
cc_library_headers {
name: "foo_headers",
export_include_dirs: ["dir-1", "dir-2"],
header_libs: ["lib-1", "lib-2"],
arch: {
arm64: {
// We expect dir-1 headers to be dropped, because dir-1 is already in export_include_dirs
export_include_dirs: ["arch_arm64_exported_include_dir", "dir-1"],
},
x86: {
export_include_dirs: ["arch_x86_exported_include_dir"],
},
x86_64: {
export_include_dirs: ["arch_x86_64_exported_include_dir"],
},
},
// TODO: Also support export_header_lib_headers
}`,
expectedBazelTargets: []string{`cc_library_headers(
name = "foo_headers",
copts = [
"-I.",
"-I$(BINDIR)/.",
],
implementation_deps = [
":lib-1",
":lib-2",
],
includes = [
"dir-1",
"dir-2",
] + select({
"//build/bazel/platforms/arch:arm64": ["arch_arm64_exported_include_dir"],
"//build/bazel/platforms/arch:x86": ["arch_x86_exported_include_dir"],
"//build/bazel/platforms/arch:x86_64": ["arch_x86_64_exported_include_dir"],
"//conditions:default": [],
}),
)`, `cc_library_headers(
name = "lib-1",
copts = [
"-I.",
"-I$(BINDIR)/.",
],
includes = ["lib-1"],
)`, `cc_library_headers(
name = "lib-2",
copts = [
"-I.",
"-I$(BINDIR)/.",
],
includes = ["lib-2"],
)`},
})
}
func TestCcLibraryHeadersOSSpecificHeader(t *testing.T) {
runCcLibraryHeadersTestCase(t, bp2buildTestCase{
description: "cc_library_headers test with os-specific header_libs props",
moduleTypeUnderTest: "cc_library_headers",
moduleTypeUnderTestFactory: cc.LibraryHeaderFactory,
moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryHeadersBp2Build,
filesystem: map[string]string{},
blueprint: soongCcLibraryPreamble + `
cc_library_headers { name: "android-lib" }
cc_library_headers { name: "base-lib" }
cc_library_headers { name: "darwin-lib" }
cc_library_headers { name: "fuchsia-lib" }
cc_library_headers { name: "linux-lib" }
cc_library_headers { name: "linux_bionic-lib" }
cc_library_headers { name: "windows-lib" }
cc_library_headers {
name: "foo_headers",
header_libs: ["base-lib"],
target: {
android: { header_libs: ["android-lib"] },
darwin: { header_libs: ["darwin-lib"] },
fuchsia: { header_libs: ["fuchsia-lib"] },
linux_bionic: { header_libs: ["linux_bionic-lib"] },
linux_glibc: { header_libs: ["linux-lib"] },
windows: { header_libs: ["windows-lib"] },
},
bazel_module: { bp2build_available: true },
}`,
expectedBazelTargets: []string{`cc_library_headers(
name = "android-lib",
copts = [
"-I.",
"-I$(BINDIR)/.",
],
)`, `cc_library_headers(
name = "base-lib",
copts = [
"-I.",
"-I$(BINDIR)/.",
],
)`, `cc_library_headers(
name = "darwin-lib",
copts = [
"-I.",
"-I$(BINDIR)/.",
],
)`, `cc_library_headers(
name = "foo_headers",
copts = [
"-I.",
"-I$(BINDIR)/.",
],
implementation_deps = [":base-lib"] + select({
"//build/bazel/platforms/os:android": [":android-lib"],
"//build/bazel/platforms/os:darwin": [":darwin-lib"],
"//build/bazel/platforms/os:fuchsia": [":fuchsia-lib"],
"//build/bazel/platforms/os:linux": [":linux-lib"],
"//build/bazel/platforms/os:linux_bionic": [":linux_bionic-lib"],
"//build/bazel/platforms/os:windows": [":windows-lib"],
"//conditions:default": [],
}),
)`, `cc_library_headers(
name = "fuchsia-lib",
copts = [
"-I.",
"-I$(BINDIR)/.",
],
)`, `cc_library_headers(
name = "linux-lib",
copts = [
"-I.",
"-I$(BINDIR)/.",
],
)`, `cc_library_headers(
name = "linux_bionic-lib",
copts = [
"-I.",
"-I$(BINDIR)/.",
],
)`, `cc_library_headers(
name = "windows-lib",
copts = [
"-I.",
"-I$(BINDIR)/.",
],
)`},
})
}
func TestCcLibraryHeadersOsSpecficHeaderLibsExportHeaderLibHeaders(t *testing.T) {
runCcLibraryHeadersTestCase(t, bp2buildTestCase{
description: "cc_library_headers test with os-specific header_libs and export_header_lib_headers props",
moduleTypeUnderTest: "cc_library_headers",
moduleTypeUnderTestFactory: cc.LibraryHeaderFactory,
moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryHeadersBp2Build,
filesystem: map[string]string{},
blueprint: soongCcLibraryPreamble + `
cc_library_headers { name: "android-lib" }
cc_library_headers { name: "exported-lib" }
cc_library_headers {
name: "foo_headers",
target: {
android: { header_libs: ["android-lib"], export_header_lib_headers: ["exported-lib"] },
},
}`,
expectedBazelTargets: []string{`cc_library_headers(
name = "android-lib",
copts = [
"-I.",
"-I$(BINDIR)/.",
],
)`, `cc_library_headers(
name = "exported-lib",
copts = [
"-I.",
"-I$(BINDIR)/.",
],
)`, `cc_library_headers(
name = "foo_headers",
copts = [
"-I.",
"-I$(BINDIR)/.",
],
deps = select({
"//build/bazel/platforms/os:android": [":exported-lib"],
"//conditions:default": [],
}),
implementation_deps = select({
"//build/bazel/platforms/os:android": [":android-lib"],
"//conditions:default": [],
}),
)`},
})
}
func TestCcLibraryHeadersArchAndTargetExportSystemIncludes(t *testing.T) {
runCcLibraryHeadersTestCase(t, bp2buildTestCase{
description: "cc_library_headers test with arch-specific and target-specific export_system_include_dirs props",
moduleTypeUnderTest: "cc_library_headers",
moduleTypeUnderTestFactory: cc.LibraryHeaderFactory,
moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryHeadersBp2Build,
filesystem: map[string]string{},
blueprint: soongCcLibraryPreamble + `cc_library_headers {
name: "foo_headers",
export_system_include_dirs: [
"shared_include_dir",
],
target: {
android: {
export_system_include_dirs: [
"android_include_dir",
],
},
linux_glibc: {
export_system_include_dirs: [
"linux_include_dir",
],
},
darwin: {
export_system_include_dirs: [
"darwin_include_dir",
],
},
},
arch: {
arm: {
export_system_include_dirs: [
"arm_include_dir",
],
},
x86_64: {
export_system_include_dirs: [
"x86_64_include_dir",
],
},
},
}`,
expectedBazelTargets: []string{`cc_library_headers(
name = "foo_headers",
copts = [
"-I.",
"-I$(BINDIR)/.",
],
includes = ["shared_include_dir"] + select({
"//build/bazel/platforms/arch:arm": ["arm_include_dir"],
"//build/bazel/platforms/arch:x86_64": ["x86_64_include_dir"],
"//conditions:default": [],
}) + select({
"//build/bazel/platforms/os:android": ["android_include_dir"],
"//build/bazel/platforms/os:darwin": ["darwin_include_dir"],
"//build/bazel/platforms/os:linux": ["linux_include_dir"],
"//conditions:default": [],
}),
)`},
})
}
func TestCcLibraryHeadersNoCrtIgnored(t *testing.T) {
runCcLibraryHeadersTestCase(t, bp2buildTestCase{
description: "cc_library_headers test",
moduleTypeUnderTest: "cc_library_headers",
moduleTypeUnderTestFactory: cc.LibraryHeaderFactory,
moduleTypeUnderTestBp2BuildMutator: cc.CcLibraryHeadersBp2Build,
filesystem: map[string]string{
"lib-1/lib1a.h": "",
"lib-1/lib1b.h": "",
"lib-2/lib2a.h": "",
"lib-2/lib2b.h": "",
"dir-1/dir1a.h": "",
"dir-1/dir1b.h": "",
"dir-2/dir2a.h": "",
"dir-2/dir2b.h": "",
"arch_arm64_exported_include_dir/a.h": "",
"arch_x86_exported_include_dir/b.h": "",
"arch_x86_64_exported_include_dir/c.h": "",
},
blueprint: soongCcLibraryHeadersPreamble + `
cc_library_headers {
name: "lib-1",
export_include_dirs: ["lib-1"],
no_libcrt: true,
}`,
expectedBazelTargets: []string{`cc_library_headers(
name = "lib-1",
copts = [
"-I.",
"-I$(BINDIR)/.",
],
includes = ["lib-1"],
)`},
})
}