bp2build/java_proto_conversion_test.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 (
	"fmt"
	"testing"

	"android/soong/android"
	"android/soong/java"
)

func runJavaProtoTestCase(t *testing.T, tc Bp2buildTestCase) {
	t.Helper()
	(&tc).ModuleTypeUnderTest = "java_library_static"
	(&tc).ModuleTypeUnderTestFactory = java.LibraryFactory
	RunBp2BuildTestCase(t, func(ctx android.RegistrationContext) {}, tc)
}

func TestJavaProto(t *testing.T) {
	testCases := []struct {
		protoType                string
		javaLibraryType          string
		javaLibraryNameExtension string
	}{
		{
			protoType:                "nano",
			javaLibraryType:          "java_nano_proto_library",
			javaLibraryNameExtension: "java_proto_nano",
		},
		{
			protoType:                "micro",
			javaLibraryType:          "java_micro_proto_library",
			javaLibraryNameExtension: "java_proto_micro",
		},
		{
			protoType:                "lite",
			javaLibraryType:          "java_lite_proto_library",
			javaLibraryNameExtension: "java_proto_lite",
		},
		{
			protoType:                "stream",
			javaLibraryType:          "java_stream_proto_library",
			javaLibraryNameExtension: "java_proto_stream",
		},
		{
			protoType:                "full",
			javaLibraryType:          "java_proto_library",
			javaLibraryNameExtension: "java_proto",
		},
	}

	bp := `java_library_static {
    name: "java-protos",
    proto: {
        type: "%s",
    },
    srcs: ["a.proto"],
    sdk_version: "current",
}`

	protoLibrary := MakeBazelTarget("proto_library", "java-protos_proto", AttrNameToString{
		"srcs": `["a.proto"]`,
	})

	for _, tc := range testCases {
		javaLibraryName := fmt.Sprintf("java-protos_%s", tc.javaLibraryNameExtension)

		runJavaProtoTestCase(t, Bp2buildTestCase{
			Description: fmt.Sprintf("java_proto %s", tc.protoType),
			Blueprint:   fmt.Sprintf(bp, tc.protoType),
			ExpectedBazelTargets: []string{
				protoLibrary,
				MakeBazelTarget(
					tc.javaLibraryType,
					javaLibraryName,
					AttrNameToString{
						"deps":        `[":java-protos_proto"]`,
						"sdk_version": `"current"`,
					}),
				MakeBazelTarget("java_library", "java-protos", AttrNameToString{
					"exports":     fmt.Sprintf(`[":%s"]`, javaLibraryName),
					"sdk_version": `"current"`,
				}),
				MakeNeverlinkDuplicateTarget("java_library", "java-protos"),
			},
		})
	}
}

func TestJavaProtoDefault(t *testing.T) {
	runJavaProtoTestCase(t, Bp2buildTestCase{
		Description: "java_library proto default",
		Blueprint: `java_library_static {
    name: "java-protos",
    srcs: ["a.proto"],
    java_version: "7",
    sdk_version: "current",
}
`,
		ExpectedBazelTargets: []string{
			MakeBazelTarget("proto_library", "java-protos_proto", AttrNameToString{
				"srcs": `["a.proto"]`,
			}),
			MakeBazelTarget(
				"java_lite_proto_library",
				"java-protos_java_proto_lite",
				AttrNameToString{
					"deps":         `[":java-protos_proto"]`,
					"java_version": `"7"`,
					"sdk_version":  `"current"`,
				}),
			MakeBazelTarget("java_library", "java-protos", AttrNameToString{
				"exports":      `[":java-protos_java_proto_lite"]`,
				"java_version": `"7"`,
				"sdk_version":  `"current"`,
			}),
			MakeNeverlinkDuplicateTargetWithAttrs(
				"java_library",
				"java-protos",
				AttrNameToString{
					"java_version": `"7"`,
					"sdk_version":  `"current"`,
				}),
		},
	})
}

func TestJavaLibsAndOnlyProtoSrcs(t *testing.T) {
	runJavaProtoTestCase(t, Bp2buildTestCase{
		Description:             "java_library that has only proto srcs",
		StubbedBuildDefinitions: []string{"java-lib-1", "java-lib-2"},
		Blueprint: `java_library_static {
    name: "java-protos",
    srcs: ["a.proto"],
    libs: ["java-lib-1"],
    static_libs: ["java-lib-2"],
    java_version: "7",
    sdk_version: "current",
}

java_library_static {
    name: "java-lib-1",
}

java_library_static {
    name: "java-lib-2",
}
`,
		ExpectedBazelTargets: []string{
			MakeBazelTarget("proto_library", "java-protos_proto", AttrNameToString{
				"srcs": `["a.proto"]`,
			}),
			MakeBazelTarget(
				"java_lite_proto_library",
				"java-protos_java_proto_lite",
				AttrNameToString{
					"deps": `[":java-protos_proto"]`,
					"additional_proto_deps": `[
        ":java-lib-1-neverlink",
        ":java-lib-2",
    ]`,
					"java_version": `"7"`,
					"sdk_version":  `"current"`,
				}),
			MakeBazelTarget("java_library", "java-protos", AttrNameToString{
				"exports": `[
        ":java-lib-2",
        ":java-protos_java_proto_lite",
    ]`,
				"java_version": `"7"`,
				"sdk_version":  `"current"`,
			}),
			MakeNeverlinkDuplicateTargetWithAttrs(
				"java_library",
				"java-protos",
				AttrNameToString{
					"java_version": `"7"`,
					"sdk_version":  `"current"`,
				}),
		},
	})
}

func TestJavaProtoPlugin(t *testing.T) {
	runJavaProtoTestCase(t, Bp2buildTestCase{
		Description:             "java_library proto plugin",
		StubbedBuildDefinitions: []string{"protoc-gen-test-plugin"},
		Blueprint: `java_library_static {
    name: "java-protos",
    srcs: ["a.proto"],
    proto: {
        plugin: "test-plugin",
    },
    sdk_version: "current",
}

java_library_static {
    name: "protoc-gen-test-plugin",
}
`,
		ExpectedBazelTargets: []string{
			MakeBazelTarget("proto_library", "java-protos_proto", AttrNameToString{
				"srcs": `["a.proto"]`,
			}),
			MakeBazelTarget(
				"java_lite_proto_library",
				"java-protos_java_proto_lite",
				AttrNameToString{
					"deps":        `[":java-protos_proto"]`,
					"plugin":      `":protoc-gen-test-plugin"`,
					"sdk_version": `"current"`,
				}),
			MakeBazelTarget("java_library", "java-protos", AttrNameToString{
				"exports":     `[":java-protos_java_proto_lite"]`,
				"sdk_version": `"current"`,
			}),
			MakeNeverlinkDuplicateTargetWithAttrs(
				"java_library",
				"java-protos",
				AttrNameToString{
					"sdk_version": `"current"`,
				}),
		},
	})
}