1 files changed, 179 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/integration-tests/3-reload-changed-generated.js b/devtools/client/debugger/test/mochitest/integration-tests/3-reload-changed-generated.js
new file mode 100644
index 0000000000..e5b493d008
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/integration-tests/3-reload-changed-generated.js
@@ -0,0 +1,179 @@
+/* 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-globals-from ../head.js */
+
+/**
+ * This first test will focus on original-with-no-update.js file where the bundle-with-another-original.js file
+ * content changes because of another-original.js
+ */
+
+"use strict";
+
+addIntegrationTask(async function testReloadingChangedGeneratedSource(
+  testServer,
+  testUrl,
+  { isCompressed }
+) {
+  info(
+    "  # Test reload an original source whose generated source content changes"
+  );
+  testServer.backToFirstVersion();
+  const dbg = await initDebuggerWithAbsoluteURL(
+    testUrl,
+    "original-with-no-update.js"
+  );
+
+  info("Add initial breakpoint");
+  await selectSource(dbg, "original-with-no-update.js");
+  await addBreakpoint(dbg, "original-with-no-update.js", 6);
+
+  info("Check that only one breakpoint is set");
+  is(dbg.selectors.getBreakpointCount(), 1, "Only one breakpoint exists");
+
+  info("Check that the breakpoint location info is correct");
+  let breakpoint = dbg.selectors.getBreakpointsList(dbg)[0];
+  is(breakpoint.location.line, 6);
+  if (isCompressed) {
+    is(breakpoint.generatedLocation.line, 1);
+    is(breakpoint.generatedLocation.column, 1062);
+  } else {
+    is(breakpoint.generatedLocation.line, 82);
+  }
+
+  const expectedOriginalFileContentOnBreakpointLine = "await baabar();";
+  const expectedGeneratedFileContentOnBreakpointLine = "await baabar();";
+
+  info("Check that the breakpoint is displayed on the correct line in the ui");
+  await assertBreakpoint(dbg, 6);
+
+  info("Check that breakpoint is on the first line within the function `foo`");
+  assertTextContentOnLine(dbg, 6, expectedOriginalFileContentOnBreakpointLine);
+
+  info(
+    "Check that the breakpoint is displayed in correct location in bundle-with-another-original.js (generated source)"
+  );
+  await selectSource(dbg, "bundle-with-another-original.js");
+  if (isCompressed) {
+    await assertBreakpoint(dbg, 1);
+  } else {
+    await assertBreakpoint(dbg, 82);
+    assertTextContentOnLine(
+      dbg,
+      82,
+      expectedGeneratedFileContentOnBreakpointLine
+    );
+  }
+
+  await closeTab(dbg, "bundle-with-another-original.js");
+
+  // This reload changes the content of the generated file
+  // which will cause the location of the breakpoint to change
+  info("Reload with a new version of the file");
+  const waitUntilNewBreakpointIsSet = waitForDispatch(
+    dbg.store,
+    "SET_BREAKPOINT"
+  );
+  testServer.switchToNextVersion();
+  const onReloaded = reload(
+    dbg,
+    "bundle-with-another-original.js",
+    "original-with-no-update.js"
+  );
+  await waitUntilNewBreakpointIsSet;
+
+  if (!isCompressed) {
+    await waitForPaused(dbg);
+
+    // This is a bug where the server does not recieve updates to breakpoints
+    // early, therefore is pauses at the old position, where no breakpoint is
+    // displayed in the UI
+    info("Assert that the breakpoint paused in the other original file");
+    assertPausedAtSourceAndLine(
+      dbg,
+      findSource(dbg, "another-original.js").id,
+      5
+    );
+    await assertNoBreakpoint(dbg, 5);
+    assertTextContentOnLine(dbg, 5, "funcC();");
+
+    info("Switch to generated source and assert that the location is correct");
+    await dbg.actions.jumpToMappedSelectedLocation(getContext(dbg));
+    assertPausedAtSourceAndLine(
+      dbg,
+      findSource(dbg, "bundle-with-another-original.js").id,
+      82
+    );
+    await assertNoBreakpoint(dbg, 82);
+    assertTextContentOnLine(dbg, 82, "funcC();");
+
+    info("Switch back to original location before resuming");
+    await dbg.actions.jumpToMappedSelectedLocation(getContext(dbg));
+    await resume(dbg);
+    await waitForPaused(dbg);
+
+    info(
+      "Check that the breakpoint is displayed and paused on the correct line"
+    );
+    assertPausedAtSourceAndLine(
+      dbg,
+      findSource(dbg, "original-with-no-update.js").id,
+      6
+    );
+  } else {
+    await onReloaded;
+    // Assert that it does not pause in commpressed files
+    assertNotPaused(dbg);
+  }
+  await assertBreakpoint(dbg, 6);
+
+  info(
+    "Check that though the breakpoint has moved, it is still on the first line within the function `foo`"
+  );
+  assertTextContentOnLine(dbg, 6, expectedOriginalFileContentOnBreakpointLine);
+
+  info(
+    "Check that the breakpoint is displayed in correct location in bundle-with-another-original.js (generated source)"
+  );
+  await selectSource(dbg, "bundle-with-another-original.js");
+  // This scrolls the line into view so the content
+  // on the line is rendered and avaliable for dom querying.
+  getCM(dbg).scrollIntoView({ line: 103, ch: 0 });
+
+  if (isCompressed) {
+    await assertBreakpoint(dbg, 1);
+  } else {
+    assertPausedAtSourceAndLine(
+      dbg,
+      findSource(dbg, "bundle-with-another-original.js").id,
+      103
+    );
+    await assertBreakpoint(dbg, 103);
+    assertTextContentOnLine(
+      dbg,
+      103,
+      expectedGeneratedFileContentOnBreakpointLine
+    );
+  }
+
+  info("Check that only one breakpoint is still set");
+  is(dbg.selectors.getBreakpointCount(), 1, "Only one breakpoint exists");
+
+  info("Check that the original location has changed");
+  breakpoint = dbg.selectors.getBreakpointsList(dbg)[0];
+  is(breakpoint.location.line, 6);
+  if (isCompressed) {
+    is(breakpoint.generatedLocation.line, 1);
+    is(breakpoint.generatedLocation.column, 1132);
+  } else {
+    is(breakpoint.generatedLocation.line, 103);
+  }
+
+  if (!isCompressed) {
+    await resume(dbg);
+    info("Wait for reload to complete after resume");
+    await onReloaded;
+  }
+  await closeTab(dbg, "bundle-with-another-original.js");
+});