diff options
Diffstat (limited to 'bp2build/cc_conversion_test.go')
| -rw-r--r-- | bp2build/cc_conversion_test.go | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/bp2build/cc_conversion_test.go b/bp2build/cc_conversion_test.go new file mode 100644 index 000000000..3cd37628f --- /dev/null +++ b/bp2build/cc_conversion_test.go @@ -0,0 +1,221 @@ +// 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 ( + "android/soong/android" + "android/soong/cc" + "strings" + "testing" +) + +const ( + // See cc/testing.go for more context + soongCcLibraryPreamble = ` +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: "", +} + +toolchain_library { + name: "libatomic", + defaults: ["linux_bionic_supported"], + vendor_available: true, + vendor_ramdisk_available: true, + product_available: true, + recovery_available: true, + native_bridge_supported: true, + src: "", +}` +) + +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 TestCcLibraryHeadersBp2Build(t *testing.T) { + testCases := []struct { + description string + moduleTypeUnderTest string + moduleTypeUnderTestFactory android.ModuleFactory + moduleTypeUnderTestBp2BuildMutator func(android.TopDownMutatorContext) + preArchMutators []android.RegisterMutatorFunc + depsMutators []android.RegisterMutatorFunc + bp string + expectedBazelTargets []string + filesystem map[string]string + dir string + }{ + { + 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": "", + }, + bp: soongCcLibraryPreamble + ` +cc_library_headers { + name: "lib-1", + export_include_dirs: ["lib-1"], + bazel_module: { bp2build_available: true }, +} + +cc_library_headers { + name: "lib-2", + export_include_dirs: ["lib-2"], + bazel_module: { bp2build_available: true }, +} + +cc_library_headers { + name: "foo_headers", + export_include_dirs: ["dir-1", "dir-2"], + header_libs: ["lib-1", "lib-2"], + export_header_lib_headers: ["lib-1", "lib-2"], + bazel_module: { bp2build_available: true }, +}`, + expectedBazelTargets: []string{`cc_library_headers( + name = "foo_headers", + deps = [ + ":lib-1", + ":lib-2", + ], + hdrs = [ + "dir-1/dir1a.h", + "dir-1/dir1b.h", + "dir-2/dir2a.h", + "dir-2/dir2b.h", + ], + includes = [ + "dir-1", + "dir-2", + ], +)`, `cc_library_headers( + name = "lib-1", + hdrs = [ + "lib-1/lib1a.h", + "lib-1/lib1b.h", + ], + includes = [ + "lib-1", + ], +)`, `cc_library_headers( + name = "lib-2", + hdrs = [ + "lib-2/lib2a.h", + "lib-2/lib2b.h", + ], + includes = [ + "lib-2", + ], +)`}, + }, + } + + dir := "." + for _, testCase := range testCases { + filesystem := make(map[string][]byte) + toParse := []string{ + "Android.bp", + } + for f, content := range testCase.filesystem { + if strings.HasSuffix(f, "Android.bp") { + toParse = append(toParse, f) + } + filesystem[f] = []byte(content) + } + config := android.TestConfig(buildDir, nil, testCase.bp, filesystem) + ctx := android.NewTestContext(config) + + cc.RegisterCCBuildComponents(ctx) + ctx.RegisterModuleType("toolchain_library", cc.ToolchainLibraryFactory) + + ctx.RegisterModuleType(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestFactory) + for _, m := range testCase.depsMutators { + ctx.DepsBp2BuildMutators(m) + } + ctx.RegisterBp2BuildMutator(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestBp2BuildMutator) + ctx.RegisterForBazelConversion() + + _, errs := ctx.ParseFileList(dir, toParse) + if Errored(t, testCase.description, errs) { + continue + } + _, errs = ctx.ResolveDependencies(config) + if Errored(t, testCase.description, errs) { + continue + } + + checkDir := dir + if testCase.dir != "" { + checkDir = testCase.dir + } + bazelTargets := GenerateBazelTargets(ctx.Context.Context, Bp2Build)[checkDir] + if actualCount, expectedCount := len(bazelTargets), len(testCase.expectedBazelTargets); actualCount != expectedCount { + t.Errorf("%s: Expected %d bazel target, got %d", testCase.description, expectedCount, actualCount) + } else { + for i, target := range bazelTargets { + if w, g := testCase.expectedBazelTargets[i], target.content; w != g { + t.Errorf( + "%s: Expected generated Bazel target to be '%s', got '%s'", + testCase.description, + w, + g, + ) + } + } + } + } +} |