Add java_genrule_combiner module
This module is intended to combine an implemenation generated by
java_genrule with headers from the rule's inputs.
Bug: b/285975842
Test: manual, TH
Change-Id: I9d83634ad7fa56fe5e0a6363d2891d34ac58257e
diff --git a/java/genrule_combiner_test.go b/java/genrule_combiner_test.go
new file mode 100644
index 0000000..a458952
--- /dev/null
+++ b/java/genrule_combiner_test.go
@@ -0,0 +1,237 @@
+// Copyright 2018 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 java
+
+import (
+ "reflect"
+ "testing"
+
+ "android/soong/android"
+)
+
+func TestJarGenruleCombinerSingle(t *testing.T) {
+ t.Parallel()
+ t.Helper()
+ ctx := prepareForJavaTest.RunTestWithBp(t, `
+ java_library {
+ name: "foo",
+ srcs: ["a.java"],
+ }
+
+ java_genrule {
+ name: "gen",
+ tool_files: ["b.java"],
+ cmd: "$(location b.java) $(in) $(out)",
+ out: ["gen.jar"],
+ srcs: [":foo"],
+ }
+
+ java_genrule_combiner {
+ name: "jarcomb",
+ static_libs: ["gen"],
+ headers: ["foo"],
+ }
+
+ java_library {
+ name: "bar",
+ static_libs: ["jarcomb"],
+ srcs: ["c.java"],
+ }
+
+ java_library {
+ name: "baz",
+ libs: ["jarcomb"],
+ srcs: ["c.java"],
+ }
+ `).TestContext
+
+ fooMod := ctx.ModuleForTests("foo", "android_common")
+ fooCombined := fooMod.Output("turbine-combined/foo.jar")
+ fooOutputFiles, _ := android.OtherModuleProvider(ctx.OtherModuleProviderAdaptor(), fooMod.Module(), android.OutputFilesProvider)
+ fooHeaderJars := fooOutputFiles.TaggedOutputFiles[".hjar"]
+
+ genMod := ctx.ModuleForTests("gen", "android_common")
+ gen := genMod.Output("gen.jar")
+
+ jarcombMod := ctx.ModuleForTests("jarcomb", "android_common")
+ jarcombInfo, _ := android.OtherModuleProvider(ctx.OtherModuleProviderAdaptor(), jarcombMod.Module(), JavaInfoProvider)
+ jarcombOutputFiles, _ := android.OtherModuleProvider(ctx.OtherModuleProviderAdaptor(), jarcombMod.Module(), android.OutputFilesProvider)
+
+ // Confirm that jarcomb simply forwards the jarcomb implementation and the foo headers.
+ if len(jarcombOutputFiles.DefaultOutputFiles) != 1 ||
+ android.PathRelativeToTop(jarcombOutputFiles.DefaultOutputFiles[0]) != android.PathRelativeToTop(gen.Output) {
+ t.Errorf("jarcomb Implementation %v is not [%q]",
+ android.PathsRelativeToTop(jarcombOutputFiles.DefaultOutputFiles), android.PathRelativeToTop(gen.Output))
+ }
+ jarcombHeaderJars := jarcombOutputFiles.TaggedOutputFiles[".hjar"]
+ if !reflect.DeepEqual(jarcombHeaderJars, fooHeaderJars) {
+ t.Errorf("jarcomb Header jar %v is not %q",
+ jarcombHeaderJars, fooHeaderJars)
+ }
+
+ // Confirm that JavaInfoProvider agrees.
+ if len(jarcombInfo.ImplementationJars) != 1 ||
+ android.PathRelativeToTop(jarcombInfo.ImplementationJars[0]) != android.PathRelativeToTop(gen.Output) {
+ t.Errorf("jarcomb ImplementationJars %v is not [%q]",
+ android.PathsRelativeToTop(jarcombInfo.ImplementationJars), android.PathRelativeToTop(gen.Output))
+ }
+ if len(jarcombInfo.HeaderJars) != 1 ||
+ android.PathRelativeToTop(jarcombInfo.HeaderJars[0]) != android.PathRelativeToTop(fooCombined.Output) {
+ t.Errorf("jarcomb HeaderJars %v is not [%q]",
+ android.PathsRelativeToTop(jarcombInfo.HeaderJars), android.PathRelativeToTop(fooCombined.Output))
+ }
+
+ barMod := ctx.ModuleForTests("bar", "android_common")
+ bar := barMod.Output("javac/bar.jar")
+ barCombined := barMod.Output("combined/bar.jar")
+
+ // Confirm that bar uses the Implementation from gen and headerJars from foo.
+ if len(barCombined.Inputs) != 2 ||
+ barCombined.Inputs[0].String() != bar.Output.String() ||
+ barCombined.Inputs[1].String() != gen.Output.String() {
+ t.Errorf("bar combined jar inputs %v is not [%q, %q]",
+ barCombined.Inputs.Strings(), bar.Output.String(), gen.Output.String())
+ }
+
+ bazMod := ctx.ModuleForTests("baz", "android_common")
+ baz := bazMod.Output("javac/baz.jar")
+
+ string_in_list := func(s string, l []string) bool {
+ for _, v := range l {
+ if s == v {
+ return true
+ }
+ }
+ return false
+ }
+
+ // Confirm that baz uses the headerJars from foo.
+ bazImplicitsRel := android.PathsRelativeToTop(baz.Implicits)
+ for _, v := range android.PathsRelativeToTop(fooHeaderJars) {
+ if !string_in_list(v, bazImplicitsRel) {
+ t.Errorf("baz Implicits %v does not contain %q", bazImplicitsRel, v)
+ }
+ }
+}
+
+func TestJarGenruleCombinerMulti(t *testing.T) {
+ t.Parallel()
+ t.Helper()
+ ctx := prepareForJavaTest.RunTestWithBp(t, `
+ java_library {
+ name: "foo1",
+ srcs: ["foo1_a.java"],
+ }
+
+ java_library {
+ name: "foo2",
+ srcs: ["foo2_a.java"],
+ }
+
+ java_genrule {
+ name: "gen1",
+ tool_files: ["b.java"],
+ cmd: "$(location b.java) $(in) $(out)",
+ out: ["gen1.jar"],
+ srcs: [":foo1"],
+ }
+
+ java_genrule {
+ name: "gen2",
+ tool_files: ["b.java"],
+ cmd: "$(location b.java) $(in) $(out)",
+ out: ["gen2.jar"],
+ srcs: [":foo2"],
+ }
+
+ // Combine multiple java_genrule modules.
+ java_genrule_combiner {
+ name: "jarcomb",
+ static_libs: ["gen1", "gen2"],
+ headers: ["foo1", "foo2"],
+ }
+
+ java_library {
+ name: "bar",
+ static_libs: ["jarcomb"],
+ srcs: ["c.java"],
+ }
+
+ java_library {
+ name: "baz",
+ libs: ["jarcomb"],
+ srcs: ["c.java"],
+ }
+ `).TestContext
+
+ gen1Mod := ctx.ModuleForTests("gen1", "android_common")
+ gen1 := gen1Mod.Output("gen1.jar")
+ gen2Mod := ctx.ModuleForTests("gen2", "android_common")
+ gen2 := gen2Mod.Output("gen2.jar")
+
+ jarcombMod := ctx.ModuleForTests("jarcomb", "android_common")
+ jarcomb := jarcombMod.Output("combined/jarcomb.jar")
+ jarcombTurbine := jarcombMod.Output("turbine-combined/jarcomb.jar")
+ _ = jarcombTurbine
+ jarcombInfo, _ := android.OtherModuleProvider(ctx.OtherModuleProviderAdaptor(), jarcombMod.Module(), JavaInfoProvider)
+ _ = jarcombInfo
+ jarcombOutputFiles, _ := android.OtherModuleProvider(ctx.OtherModuleProviderAdaptor(), jarcombMod.Module(), android.OutputFilesProvider)
+ jarcombHeaderJars := jarcombOutputFiles.TaggedOutputFiles[".hjar"]
+
+ if len(jarcomb.Inputs) != 2 ||
+ jarcomb.Inputs[0].String() != gen1.Output.String() ||
+ jarcomb.Inputs[1].String() != gen2.Output.String() {
+ t.Errorf("jarcomb inputs %v are not [%q, %q]",
+ jarcomb.Inputs.Strings(), gen1.Output.String(), gen2.Output.String())
+ }
+
+ if len(jarcombHeaderJars) != 1 ||
+ android.PathRelativeToTop(jarcombHeaderJars[0]) != android.PathRelativeToTop(jarcombTurbine.Output) {
+ t.Errorf("jarcomb Header jars %v is not [%q]",
+ android.PathsRelativeToTop(jarcombHeaderJars), android.PathRelativeToTop(jarcombTurbine.Output))
+ }
+
+ barMod := ctx.ModuleForTests("bar", "android_common")
+ bar := barMod.Output("javac/bar.jar")
+ barCombined := barMod.Output("combined/bar.jar")
+
+ // Confirm that bar uses the Implementation and Headers from jarcomb.
+ if len(barCombined.Inputs) != 2 ||
+ barCombined.Inputs[0].String() != bar.Output.String() ||
+ barCombined.Inputs[1].String() != jarcomb.Output.String() {
+ t.Errorf("bar combined jar inputs %v is not [%q, %q]",
+ barCombined.Inputs.Strings(), bar.Output.String(), jarcomb.Output.String())
+ }
+
+ bazMod := ctx.ModuleForTests("baz", "android_common")
+ baz := bazMod.Output("javac/baz.jar")
+
+ string_in_list := func(s string, l []string) bool {
+ for _, v := range l {
+ if s == v {
+ return true
+ }
+ }
+ return false
+ }
+
+ // Confirm that baz uses the headerJars from foo.
+ bazImplicitsRel := android.PathsRelativeToTop(baz.Implicits)
+ for _, v := range android.PathsRelativeToTop(jarcombHeaderJars) {
+ if !string_in_list(v, bazImplicitsRel) {
+ t.Errorf("baz Implicits %v does not contain %q", bazImplicitsRel, v)
+ }
+ }
+}