1 files changed, 172 insertions, 0 deletions
diff --git a/devtools/client/debugger/src/actions/sources/tests/newSources.spec.js b/devtools/client/debugger/src/actions/sources/tests/newSources.spec.js
new file mode 100644
index 0000000000..730c5b32eb
--- /dev/null
+++ b/devtools/client/debugger/src/actions/sources/tests/newSources.spec.js
@@ -0,0 +1,172 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
+
+import {
+  actions,
+  selectors,
+  createStore,
+  makeSource,
+  makeSourceURL,
+  makeOriginalSource,
+  waitForState,
+} from "../../../utils/test-head";
+const { getSource, getSourceCount, getSelectedSource, getSourceByURL } =
+  selectors;
+import sourceQueue from "../../../utils/source-queue";
+import { generatedToOriginalId } from "devtools/client/shared/source-map-loader/index";
+
+import { mockCommandClient } from "../../tests/helpers/mockCommandClient";
+
+describe("sources - new sources", () => {
+  it("should add sources to state", async () => {
+    const { dispatch, getState } = createStore(mockCommandClient);
+    await dispatch(actions.newGeneratedSource(makeSource("base.js")));
+    await dispatch(actions.newGeneratedSource(makeSource("jquery.js")));
+
+    expect(getSourceCount(getState())).toEqual(2);
+    const base = getSource(getState(), "base.js");
+    const jquery = getSource(getState(), "jquery.js");
+    expect(base && base.id).toEqual("base.js");
+    expect(jquery && jquery.id).toEqual("jquery.js");
+  });
+
+  it("should not add multiple identical generated sources", async () => {
+    const { dispatch, getState } = createStore(mockCommandClient);
+
+    const generated = await dispatch(
+      actions.newGeneratedSource(makeSource("base.js"))
+    );
+
+    await dispatch(actions.newOriginalSources([makeOriginalSource(generated)]));
+    await dispatch(actions.newOriginalSources([makeOriginalSource(generated)]));
+
+    expect(getSourceCount(getState())).toEqual(2);
+  });
+
+  it("should not add multiple identical original sources", async () => {
+    const { dispatch, getState } = createStore(mockCommandClient);
+
+    await dispatch(actions.newGeneratedSource(makeSource("base.js")));
+    await dispatch(actions.newGeneratedSource(makeSource("base.js")));
+
+    expect(getSourceCount(getState())).toEqual(1);
+  });
+
+  it("should automatically select a pending source", async () => {
+    const { dispatch, getState, cx } = createStore(mockCommandClient);
+    const baseSourceURL = makeSourceURL("base.js");
+    await dispatch(actions.selectSourceURL(cx, baseSourceURL));
+
+    expect(getSelectedSource(getState())).toBe(undefined);
+    const baseSource = await dispatch(
+      actions.newGeneratedSource(makeSource("base.js"))
+    );
+
+    const selected = getSelectedSource(getState());
+    expect(selected && selected.url).toBe(baseSource.url);
+  });
+
+  it("should add original sources", async () => {
+    const { dispatch, getState } = createStore(
+      mockCommandClient,
+      {},
+      {
+        getOriginalURLs: async source => [
+          {
+            id: generatedToOriginalId(source.id, "magic.js"),
+            url: "magic.js",
+          },
+        ],
+        getOriginalLocations: async items => items,
+        getOriginalLocation: location => location,
+      }
+    );
+
+    await dispatch(
+      actions.newGeneratedSource(
+        makeSource("base.js", { sourceMapURL: "base.js.map" })
+      )
+    );
+    const magic = getSourceByURL(getState(), "magic.js");
+    expect(magic && magic.url).toEqual("magic.js");
+  });
+
+  // eslint-disable-next-line
+  it("should not attempt to fetch original sources if it's missing a source map url", async () => {
+    const getOriginalURLs = jest.fn();
+    const { dispatch } = createStore(
+      mockCommandClient,
+      {},
+      {
+        getOriginalURLs,
+        getOriginalLocations: async items => items,
+        getOriginalLocation: location => location,
+      }
+    );
+
+    await dispatch(actions.newGeneratedSource(makeSource("base.js")));
+    expect(getOriginalURLs).not.toHaveBeenCalled();
+  });
+
+  // eslint-disable-next-line
+  it("should process new sources immediately, without waiting for source maps to be fetched first", async () => {
+    const { dispatch, getState } = createStore(
+      mockCommandClient,
+      {},
+      {
+        getOriginalURLs: async () => new Promise(_ => {}),
+        getOriginalLocations: async items => items,
+        getOriginalLocation: location => location,
+      }
+    );
+    await dispatch(
+      actions.newGeneratedSource(
+        makeSource("base.js", { sourceMapURL: "base.js.map" })
+      )
+    );
+    expect(getSourceCount(getState())).toEqual(1);
+    const base = getSource(getState(), "base.js");
+    expect(base && base.id).toEqual("base.js");
+  });
+
+  // eslint-disable-next-line
+  it("shouldn't let one slow loading source map delay all the other source maps", async () => {
+    const dbg = createStore(
+      mockCommandClient,
+      {},
+      {
+        getOriginalURLs: async source => {
+          if (source.id == "foo.js") {
+            // simulate a hang loading foo.js.map
+            return new Promise(_ => {});
+          }
+          const url = source.id.replace(".js", ".cljs");
+          return [
+            {
+              id: generatedToOriginalId(source.id, url),
+              url,
+            },
+          ];
+        },
+        getOriginalLocations: async items => items,
+        getGeneratedLocation: location => location,
+      }
+    );
+    const { dispatch, getState } = dbg;
+    await dispatch(
+      actions.newGeneratedSources([
+        makeSource("foo.js", { sourceMapURL: "foo.js.map" }),
+        makeSource("bar.js", { sourceMapURL: "bar.js.map" }),
+        makeSource("bazz.js", { sourceMapURL: "bazz.js.map" }),
+      ])
+    );
+    await sourceQueue.flush();
+    await waitForState(dbg, state => getSourceCount(state) == 5);
+    expect(getSourceCount(getState())).toEqual(5);
+    const barCljs = getSourceByURL(getState(), "bar.cljs");
+    expect(barCljs && barCljs.url).toEqual("bar.cljs");
+    const bazzCljs = getSourceByURL(getState(), "bazz.cljs");
+    expect(bazzCljs && bazzCljs.url).toEqual("bazz.cljs");
+  });
+});