Split SYSTEMSERVERCLASSPATH entries from platform_bootclasspath.

Boot jars are different to system server jars at build level, due to
added complexity of dexpreopt. As a logical separation add a new
classpath fragment type and split existing classpaths.proto generation
into relevant pieces.

Bug: 180105615
Test: m && launch_cvd; atest CtsClasspathsTestCases
Change-Id: I88bec09fc920166ffd0092faef980754ddeb6593

java/systemserver_classpath_fragment_test.go

@@ -0,0 +1,97 @@
+// Copyright (C) 2021 The Android Open Source Project
+//
+// 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 (
+	"testing"
+
+	"android/soong/android"
+)
+
+var prepareForTestWithSystemserverClasspath = android.GroupFixturePreparers(
+	PrepareForTestWithJavaDefaultModules,
+)
+
+func TestSystemserverClasspathVariant(t *testing.T) {
+	result := android.GroupFixturePreparers(
+		prepareForTestWithSystemserverClasspath,
+		android.FixtureWithRootAndroidBp(`
+			platform_systemserverclasspath {
+				name: "platform-systemserverclasspath",
+			}
+		`),
+	).RunTest(t)
+
+	variants := result.ModuleVariantsForTests("platform-systemserverclasspath")
+	android.AssertIntEquals(t, "expect 1 variant", 1, len(variants))
+}
+
+func TestSystemserverClasspath_ClasspathFragmentPaths(t *testing.T) {
+	result := android.GroupFixturePreparers(
+		prepareForTestWithSystemserverClasspath,
+		android.FixtureWithRootAndroidBp(`
+			platform_systemserverclasspath {
+				name: "platform-systemserverclasspath",
+			}
+		`),
+	).RunTest(t)
+
+	p := result.Module("platform-systemserverclasspath", "android_common").(*platformSystemServerClasspathModule)
+	android.AssertStringEquals(t, "output filepath", p.Name()+".pb", p.ClasspathFragmentBase.outputFilepath.Base())
+	android.AssertPathRelativeToTopEquals(t, "install filepath", "out/soong/target/product/test_device/system/etc/classpaths", p.ClasspathFragmentBase.installDirPath)
+}
+
+func TestSystemserverClasspathModule_AndroidMkEntries(t *testing.T) {
+	preparer := android.GroupFixturePreparers(
+		prepareForTestWithSystemserverClasspath,
+		android.FixtureWithRootAndroidBp(`
+			platform_systemserverclasspath {
+				name: "platform-systemserverclasspath",
+			}
+		`),
+	)
+
+	t.Run("AndroidMkEntries", func(t *testing.T) {
+		result := preparer.RunTest(t)
+
+		p := result.Module("platform-systemserverclasspath", "android_common").(*platformSystemServerClasspathModule)
+
+		entries := android.AndroidMkEntriesForTest(t, result.TestContext, p)
+		android.AssertIntEquals(t, "AndroidMkEntries count", 1, len(entries))
+	})
+
+	t.Run("classpath-fragment-entry", func(t *testing.T) {
+		result := preparer.RunTest(t)
+
+		want := map[string][]string{
+			"LOCAL_MODULE":                {"platform-systemserverclasspath"},
+			"LOCAL_MODULE_CLASS":          {"ETC"},
+			"LOCAL_INSTALLED_MODULE_STEM": {"platform-systemserverclasspath.pb"},
+			// Output and Install paths are tested separately in TestSystemserverClasspath_ClasspathFragmentPaths
+		}
+
+		p := result.Module("platform-systemserverclasspath", "android_common").(*platformSystemServerClasspathModule)
+
+		entries := android.AndroidMkEntriesForTest(t, result.TestContext, p)
+		got := entries[0]
+		for k, expectedValue := range want {
+			if value, ok := got.EntryMap[k]; ok {
+				android.AssertDeepEquals(t, k, expectedValue, value)
+			} else {
+				t.Errorf("No %s defined, saw %q", k, got.EntryMap)
+			}
+		}
+	})
+}