add ResourceCollector unit tests

* groupResourcesByComponents
* visitResource

test/lib/lbt/resources/ResourceCollector.js

@@ -1,18 +1,40 @@
 const test = require("ava");
+const sinon = require("sinon");
+const mock = require("mock-require");
 
-const ResourceCollector = require("../../../../lib/lbt/resources/ResourceCollector");
+let ResourceCollector = require("../../../../lib/lbt/resources/ResourceCollector");
 
-test("add: empty constructor dummy params", (t) => {
+test.beforeEach((t) => {
+	// Spying logger of processors/bootstrapHtmlTransformer
+	const log = require("@ui5/logger");
+	const loggerInstance = log.getLogger("lbt:resources:ResourceCollector");
+	mock("@ui5/logger", {
+		getLogger: () => loggerInstance
+	});
+	mock.reRequire("@ui5/logger");
+	t.context.logWarnSpy = sinon.spy(loggerInstance, "warn");
+
+	// Re-require tested module
+	ResourceCollector = mock.reRequire("../../../../lib/lbt/resources/ResourceCollector");
+});
+
+test.afterEach.always((t) => {
+	mock.stop("@ui5/logger");
+	t.context.logWarnSpy.restore();
+});
+
+
+test.serial("add: empty constructor dummy params", (t) => {
 	const resourceCollector = new ResourceCollector({}, {});
 	t.is(resourceCollector.resources.size, 0, "empty");
 });
 
-test("add: empty constructor", (t) => {
+test.serial("add: empty constructor", (t) => {
 	const resourceCollector = new ResourceCollector();
 	t.is(resourceCollector.resources.size, 0, "empty");
 });
 
-test("setExternalResources: empty filters", (t) => {
+test.serial("setExternalResources: empty filters", (t) => {
 	const resourceCollector = new ResourceCollector();
 	resourceCollector.setExternalResources({
 		"testcomp": []
@@ -21,7 +43,7 @@ test("setExternalResources: empty filters", (t) => {
 	t.is(orphanFilters.size, 1, "1 filter");
 });
 
-test("createOrphanFilters: filters", (t) => {
+test.serial("createOrphanFilters: filters", (t) => {
 	const resourceCollector = new ResourceCollector();
 	resourceCollector.setExternalResources({
 		"testcomp": ["test"],
@@ -33,3 +55,21 @@ test("createOrphanFilters: filters", (t) => {
 	const orphanFilters = resourceCollector.createOrphanFilters();
 	t.is(orphanFilters.size, 4, "4 filters");
 });
+
+test.serial("visitResource: path", (t) => {
+	const resourceCollector = new ResourceCollector();
+	resourceCollector.visitResource("mypath", 13);
+	t.is(t.context.logWarnSpy.callCount, 1);
+	t.is(t.context.logWarnSpy.getCall(0).args[0], "non-runtime resource mypath ignored");
+});
+
+test.serial("groupResourcesByComponents: debugBundles", (t) => {
+	const resourceCollector = new ResourceCollector();
+	resourceCollector.setExternalResources({
+		"testcomp": ["my/file.js"]
+	});
+	resourceCollector.visitResource("/resources/testcomp/Component.js", 13);
+	resourceCollector.visitResource("/resources/my/file.js", 13);
+	resourceCollector.groupResourcesByComponents({debugBundles: ".*-dbg.js"});
+	t.is(resourceCollector.resources.size, 0, "all resources were deleted");
+});