Add basic tests for java modules am: 72bb363608

am: a7be5fbb7e

Change-Id: Id2f7d83c36b15429da791582c496d4771c201049

2 files changed, 243 insertions, 0 deletions

diff --git a/Android.bp b/Android.bp
index 68b379c5..82be0fa6 100644
--- a/Android.bp
+++ b/Android.bp
@@ -203,6 +203,9 @@ bootstrap_go_package {
         "java/java.go",
         "java/resources.go",
     ],
+    testSrcs: [
+        "java/java_test.go",
+    ],
     pluginFor: ["soong_build"],
 }
 
diff --git a/java/java_test.go b/java/java_test.go
new file mode 100644
index 00000000..91b1506a
--- /dev/null
+++ b/java/java_test.go
@@ -0,0 +1,240 @@
+// Copyright 2017 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 (
+	"android/soong/android"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+)
+
+var buildDir string
+
+func setUp() {
+	var err error
+	buildDir, err = ioutil.TempDir("", "soong_java_test")
+	if err != nil {
+		panic(err)
+	}
+}
+
+func tearDown() {
+	os.RemoveAll(buildDir)
+}
+
+func TestMain(m *testing.M) {
+	run := func() int {
+		setUp()
+		defer tearDown()
+
+		return m.Run()
+	}
+
+	os.Exit(run())
+}
+
+func testJava(t *testing.T, bp string) *android.TestContext {
+	config := android.TestConfig(buildDir)
+
+	ctx := android.NewTestContext()
+	ctx.RegisterModuleType("android_app", android.ModuleFactoryAdaptor(AndroidAppFactory))
+	ctx.RegisterModuleType("java_library", android.ModuleFactoryAdaptor(JavaLibraryFactory))
+	ctx.RegisterModuleType("prebuilt_java_library", android.ModuleFactoryAdaptor(JavaPrebuiltFactory))
+	ctx.Register()
+
+	extraModules := []string{"core-libart", "frameworks", "sdk_v14"}
+
+	for _, extra := range extraModules {
+		bp += fmt.Sprintf(`
+			java_library {
+				name: "%s",
+				no_standard_libraries: true,
+			}
+		`, extra)
+	}
+
+	ctx.MockFileSystem(map[string][]byte{
+		"Android.bp": []byte(bp),
+		"a.java":     nil,
+		"b.java":     nil,
+		"c.java":     nil,
+		"a.jar":      nil,
+		"b.jar":      nil,
+	})
+
+	_, errs := ctx.ParseBlueprintsFiles("Android.bp")
+	fail(t, errs)
+	_, errs = ctx.PrepareBuildActions(config)
+	fail(t, errs)
+
+	return ctx
+}
+
+func TestSimple(t *testing.T) {
+	ctx := testJava(t, `
+		java_library {
+			name: "foo",
+			srcs: ["a.java"],
+			java_libs: ["bar"],
+			java_static_libs: ["baz"],
+		}
+
+		java_library {
+			name: "bar",
+			srcs: ["b.java"],
+		}
+
+		java_library {
+			name: "baz",
+			srcs: ["c.java"],
+		}
+		`)
+
+	javac := ctx.ModuleForTests("foo", "").Rule("javac")
+	jar := ctx.ModuleForTests("foo", "").Rule("jar")
+
+	if len(javac.Inputs) != 1 || javac.Inputs[0].String() != "a.java" {
+		t.Errorf(`foo inputs %v != ["a.java"]`, javac.Inputs)
+	}
+
+	bar := filepath.Join(buildDir, ".intermediates", "bar", "classes-full-debug.jar")
+	if !strings.Contains(javac.Args["classpath"], bar) {
+		t.Errorf("foo classpath %v does not contain %q", javac.Args["classpath"], bar)
+	}
+
+	baz := filepath.Join(buildDir, ".intermediates", "baz", "classes.list")
+	if !strings.Contains(jar.Args["jarArgs"], baz) {
+		t.Errorf("foo jarArgs %v does not contain %q", jar.Args["jarArgs"], baz)
+	}
+}
+
+func TestSdk(t *testing.T) {
+	ctx := testJava(t, `
+		java_library {
+			name: "foo1",
+			srcs: ["a.java"],
+		}
+
+		java_library {
+			name: "foo2",
+			srcs: ["a.java"],
+			sdk_version: "",
+		}
+
+		java_library {
+			name: "foo3",
+			srcs: ["a.java"],
+			sdk_version: "14",
+		}
+
+		java_library {
+			name: "foo4",
+			srcs: ["a.java"],
+			sdk_version: "current",
+		}
+
+		java_library {
+			name: "foo5",
+			srcs: ["a.java"],
+			sdk_version: "system_current",
+		}
+
+		java_library {
+			name: "foo6",
+			srcs: ["a.java"],
+			sdk_version: "test_current",
+		}
+		`)
+
+	type depType int
+	const (
+		staticLib = iota
+		classpathLib
+		bootclasspathLib
+	)
+
+	check := func(module, dep string, depType depType) {
+		if dep != "" {
+			dep = filepath.Join(buildDir, ".intermediates", dep, "classes-full-debug.jar")
+		}
+
+		javac := ctx.ModuleForTests(module, "").Rule("javac")
+
+		if depType == bootclasspathLib {
+			got := strings.TrimPrefix(javac.Args["bootClasspath"], "-bootclasspath ")
+			if got != dep {
+				t.Errorf("module %q bootclasspath %q != %q", module, got, dep)
+			}
+		} else if depType == classpathLib {
+			got := strings.TrimPrefix(javac.Args["classpath"], "-classpath ")
+			if got != dep {
+				t.Errorf("module %q classpath %q != %q", module, got, dep)
+			}
+		}
+
+		if len(javac.Implicits) != 1 || javac.Implicits[0].String() != dep {
+			t.Errorf("module %q implicits != [%q]", dep)
+		}
+	}
+
+	check("foo1", "core-libart", bootclasspathLib)
+}
+
+func TestPrebuilts(t *testing.T) {
+	ctx := testJava(t, `
+		java_library {
+			name: "foo",
+			srcs: ["a.java"],
+			java_libs: ["bar"],
+			java_static_libs: ["baz"],
+		}
+
+		prebuilt_java_library {
+			name: "bar",
+			srcs: ["a.jar"],
+		}
+
+		prebuilt_java_library {
+			name: "baz",
+			srcs: ["b.jar"],
+		}
+		`)
+
+	javac := ctx.ModuleForTests("foo", "").Rule("javac")
+	jar := ctx.ModuleForTests("foo", "").Rule("jar")
+
+	bar := "a.jar"
+	if !strings.Contains(javac.Args["classpath"], bar) {
+		t.Errorf("foo classpath %v does not contain %q", javac.Args["classpath"], bar)
+	}
+
+	baz := filepath.Join(buildDir, ".intermediates", "baz", "extracted", "classes.list")
+	if !strings.Contains(jar.Args["jarArgs"], baz) {
+		t.Errorf("foo jarArgs %v does not contain %q", jar.Args["jarArgs"], baz)
+	}
+}
+
+func fail(t *testing.T, errs []error) {
+	if len(errs) > 0 {
+		for _, err := range errs {
+			t.Error(err)
+		}
+		t.FailNow()
+	}
+}