1 files changed, 150 insertions, 0 deletions
diff --git a/devtools/client/debugger/src/utils/pause/tests/scopes.spec.js b/devtools/client/debugger/src/utils/pause/tests/scopes.spec.js
new file mode 100644
index 0000000000..08ac425774
--- /dev/null
+++ b/devtools/client/debugger/src/utils/pause/tests/scopes.spec.js
@@ -0,0 +1,150 @@
+/* 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 { getScopesItemsForSelectedFrame } from "../scopes";
+import {
+  makeMockFrame,
+  makeMockScope,
+  makeWhyNormal,
+  makeWhyThrow,
+  mockScopeAddVariable,
+} from "../../test-mockup";
+
+function convertScope(scope) {
+  return scope;
+}
+
+describe("scopes", () => {
+  describe("getScopes", () => {
+    it("single scope", () => {
+      const pauseData = makeWhyNormal();
+      const scope = makeMockScope("actor1");
+      const selectedFrame = makeMockFrame(undefined, undefined, scope);
+
+      if (!selectedFrame.scope) {
+        throw new Error("Frame must include scopes");
+      }
+
+      const frameScopes = convertScope(selectedFrame.scope);
+      const scopes = getScopesItemsForSelectedFrame(
+        pauseData,
+        selectedFrame,
+        frameScopes
+      );
+      if (!scopes) {
+        throw new Error("missing scopes");
+      }
+      expect(scopes[0].path).toEqual("actor1-1");
+      expect(scopes[0].contents[0]).toEqual({
+        name: "<this>",
+        path: "actor1-1/<this>",
+        contents: { value: {} },
+      });
+    });
+
+    it("second scope", () => {
+      const pauseData = makeWhyNormal();
+      const scope0 = makeMockScope("actor2");
+      const scope1 = makeMockScope("actor1", undefined, scope0);
+      const selectedFrame = makeMockFrame(undefined, undefined, scope1);
+      mockScopeAddVariable(scope0, "foo");
+
+      if (!selectedFrame.scope) {
+        throw new Error("Frame must include scopes");
+      }
+
+      const frameScopes = convertScope(selectedFrame.scope);
+      const scopes = getScopesItemsForSelectedFrame(
+        pauseData,
+        selectedFrame,
+        frameScopes
+      );
+      if (!scopes) {
+        throw new Error("missing scopes");
+      }
+      expect(scopes[1].path).toEqual("actor2-2");
+      expect(scopes[1].contents[0]).toEqual({
+        name: "foo",
+        path: "actor2-2/foo",
+        contents: { value: null },
+      });
+    });
+
+    it("returning scope", () => {
+      const why = makeWhyNormal("to sender");
+      const scope = makeMockScope("actor1");
+      const selectedFrame = makeMockFrame(undefined, undefined, scope);
+
+      if (!selectedFrame.scope) {
+        throw new Error("Frame must include scopes");
+      }
+
+      const frameScopes = convertScope(selectedFrame.scope);
+      const scopes = getScopesItemsForSelectedFrame(
+        why,
+        selectedFrame,
+        frameScopes
+      );
+      expect(scopes).toMatchObject([
+        {
+          path: "actor1-1",
+          contents: [
+            {
+              name: "<return>",
+              path: "actor1-1/<return>",
+              contents: {
+                value: "to sender",
+              },
+            },
+            {
+              name: "<this>",
+              path: "actor1-1/<this>",
+              contents: {
+                value: {},
+              },
+            },
+          ],
+        },
+      ]);
+    });
+
+    it("throwing scope", () => {
+      const why = makeWhyThrow("a party");
+      const scope = makeMockScope("actor1");
+      const selectedFrame = makeMockFrame(undefined, undefined, scope);
+
+      if (!selectedFrame.scope) {
+        throw new Error("Frame must include scopes");
+      }
+
+      const frameScopes = convertScope(selectedFrame.scope);
+      const scopes = getScopesItemsForSelectedFrame(
+        why,
+        selectedFrame,
+        frameScopes
+      );
+      expect(scopes).toMatchObject([
+        {
+          path: "actor1-1",
+          contents: [
+            {
+              name: "<exception>",
+              path: "actor1-1/<exception>",
+              contents: {
+                value: "a party",
+              },
+            },
+            {
+              name: "<this>",
+              path: "actor1-1/<this>",
+              contents: {
+                value: {},
+              },
+            },
+          ],
+        },
+      ]);
+    });
+  });
+});