1 files changed, 74 insertions, 0 deletions
diff --git a/devtools/client/debugger/src/reducers/tests/breakpoints.spec.js b/devtools/client/debugger/src/reducers/tests/breakpoints.spec.js
new file mode 100644
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+++ b/devtools/client/debugger/src/reducers/tests/breakpoints.spec.js
@@ -0,0 +1,74 @@
+/* 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 { initialBreakpointsState } from "../breakpoints";
+import { getBreakpointsForSource } from "../../selectors/breakpoints";
+
+import { makeMockBreakpoint, makeMockSource } from "../../utils/test-mockup";
+
+function initializeStateWith(data) {
+  const state = initialBreakpointsState();
+  state.breakpoints = data;
+  return state;
+}
+
+describe("Breakpoints Selectors", () => {
+  it("it gets a breakpoint for an original source", () => {
+    const sourceId = "server1.conn1.child1/source1/originalSource";
+    const matchingBreakpoints = {
+      id1: makeMockBreakpoint(makeMockSource(undefined, sourceId), 1),
+    };
+
+    const otherBreakpoints = {
+      id2: makeMockBreakpoint(makeMockSource(undefined, "not-this-source"), 1),
+    };
+
+    const data = {
+      ...matchingBreakpoints,
+      ...otherBreakpoints,
+    };
+
+    const breakpoints = initializeStateWith(data);
+    const allBreakpoints = Object.values(matchingBreakpoints);
+    const sourceBreakpoints = getBreakpointsForSource(
+      { breakpoints },
+      sourceId
+    );
+
+    expect(sourceBreakpoints).toEqual(allBreakpoints);
+    expect(sourceBreakpoints[0] === allBreakpoints[0]).toBe(true);
+  });
+
+  it("it gets a breakpoint for a generated source", () => {
+    const generatedSourceId = "random-source";
+    const matchingBreakpoints = {
+      id1: {
+        ...makeMockBreakpoint(makeMockSource(undefined, generatedSourceId), 1),
+        location: { line: 1, source: { id: "original-source-id-1" } },
+      },
+    };
+
+    const otherBreakpoints = {
+      id2: {
+        ...makeMockBreakpoint(makeMockSource(undefined, "not-this-source"), 1),
+        location: { line: 1, source: { id: "original-source-id-2" } },
+      },
+    };
+
+    const data = {
+      ...matchingBreakpoints,
+      ...otherBreakpoints,
+    };
+
+    const breakpoints = initializeStateWith(data);
+
+    const allBreakpoints = Object.values(matchingBreakpoints);
+    const sourceBreakpoints = getBreakpointsForSource(
+      { breakpoints },
+      generatedSourceId
+    );
+
+    expect(sourceBreakpoints).toEqual(allBreakpoints);
+  });
+});