Make aconfig flags generate a library instead of a srcjar.

Also add unit tests for the rest of device_config

Bug: 283475679
Test: m nothing (soong unit tests)
Change-Id: Iee18a1f2f2cbb23e8c8d84c54e903b32be29a693
diff --git a/device_config/device_config_definitions_test.go b/device_config/device_config_definitions_test.go
new file mode 100644
index 0000000..49afcc4
--- /dev/null
+++ b/device_config/device_config_definitions_test.go
@@ -0,0 +1,42 @@
+// 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 device_config
+
+import (
+	"strings"
+	"testing"
+
+	"android/soong/android"
+)
+
+func TestDeviceConfigDefinitions(t *testing.T) {
+	bp := `
+		device_config_definitions {
+			name: "module_name",
+			namespace: "com.example.package",
+			srcs: ["foo.aconfig"],
+		}
+	`
+	result := runTest(t, android.FixtureExpectsNoErrors, bp)
+
+	module := result.ModuleForTests("module_name", "").Module().(*DefinitionsModule)
+
+	// Check that the provider has the right contents
+	depData := result.ModuleProvider(module, definitionsProviderKey).(definitionsProviderData)
+	android.AssertStringEquals(t, "namespace", depData.namespace, "com.example.package")
+	if !strings.HasSuffix(depData.intermediatePath.String(), "/intermediate.json") {
+		t.Errorf("Missing intermediates path in provider: %s", depData.intermediatePath.String())
+	}
+}