1 files changed, 195 insertions, 0 deletions
diff --git a/devtools/client/shared/sourceeditor/test/head.js b/devtools/client/shared/sourceeditor/test/head.js
new file mode 100644
index 0000000000..7d11fbe475
--- /dev/null
+++ b/devtools/client/shared/sourceeditor/test/head.js
@@ -0,0 +1,195 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/* exported promiseWaitForFocus, setup, ch, teardown, loadHelperScript,
+            limit, ch, read, codemirrorSetStatus */
+
+"use strict";
+
+// shared-head.js handles imports, constants, and utility functions
+Services.scriptloader.loadSubScript(
+  "chrome://mochitests/content/browser/devtools/client/shared/test/shared-head.js",
+  this
+);
+
+const Editor = require("resource://devtools/client/shared/sourceeditor/editor.js");
+
+function promiseWaitForFocus(el) {
+  return new Promise(resolve => waitForFocus(resolve, el));
+}
+
+async function setup(additionalOpts = {}) {
+  try {
+    const opt = "chrome,titlebar,toolbar,centerscreen,resizable,dialog=no";
+    const win = Services.ww.openWindow(
+      null,
+      CHROME_URL_ROOT + "head.xhtml",
+      "_blank",
+      opt,
+      null
+    );
+    const opts = {
+      value: "Hello.",
+      lineNumbers: true,
+      foldGutter: true,
+      gutters: [
+        "CodeMirror-linenumbers",
+        "breakpoints",
+        "CodeMirror-foldgutter",
+      ],
+      cssProperties: getClientCssProperties(),
+      ...additionalOpts,
+    };
+
+    await once(win, "load");
+    await promiseWaitForFocus(win);
+
+    const box = win.document.querySelector("box");
+    const editor = new Editor(opts);
+    await editor.appendTo(box);
+
+    return {
+      ed: editor,
+      win,
+      edWin: editor.container.contentWindow.wrappedJSObject,
+    };
+  } catch (o_O) {
+    ok(false, o_O.message);
+    return null;
+  }
+}
+
+function ch(exp, act, label) {
+  is(exp.line, act.line, label + " (line)");
+  is(exp.ch, act.ch, label + " (ch)");
+}
+
+function teardown(ed, win) {
+  ed.destroy();
+  win.close();
+
+  while (gBrowser.tabs.length > 1) {
+    gBrowser.removeCurrentTab();
+  }
+  finish();
+}
+
+/**
+ * Some tests may need to import one or more of the test helper scripts.
+ * A test helper script is simply a js file that contains common test code that
+ * is either not common-enough to be in head.js, or that is located in a
+ * separate directory.
+ * The script will be loaded synchronously and in the test's scope.
+ * @param {String} filePath The file path, relative to the current directory.
+ *                 Examples:
+ *                 - "helper_attributes_test_runner.js"
+ */
+function loadHelperScript(filePath) {
+  const testDir = gTestPath.substr(0, gTestPath.lastIndexOf("/"));
+  Services.scriptloader.loadSubScript(testDir + "/" + filePath, this);
+}
+
+/**
+ * This method returns the portion of the input string `source` up to the
+ * [line, ch] location.
+ */
+function limit(source, [line, char]) {
+  line++;
+  const list = source.split("\n");
+  if (list.length < line) {
+    return source;
+  }
+  if (line == 1) {
+    return list[0].slice(0, char);
+  }
+  return [...list.slice(0, line - 1), list[line - 1].slice(0, char)].join("\n");
+}
+
+function read(url) {
+  const scriptableStream = Cc[
+    "@mozilla.org/scriptableinputstream;1"
+  ].getService(Ci.nsIScriptableInputStream);
+
+  const channel = NetUtil.newChannel({
+    uri: url,
+    loadUsingSystemPrincipal: true,
+  });
+  const input = channel.open();
+  scriptableStream.init(input);
+
+  let data = "";
+  while (input.available()) {
+    data = data.concat(scriptableStream.read(input.available()));
+  }
+  scriptableStream.close();
+  input.close();
+
+  return data;
+}
+
+/**
+ * This function is called by the CodeMirror test runner to report status
+ * messages from the CM tests.
+ * @see codemirror.html
+ */
+function codemirrorSetStatus(statusMsg, type, customMsg) {
+  switch (type) {
+    case "expected":
+    case "ok":
+      ok(1, statusMsg);
+      break;
+    case "error":
+    case "fail":
+      ok(0, statusMsg);
+      break;
+    default:
+      info(statusMsg);
+      break;
+  }
+
+  if (customMsg && typeof customMsg == "string" && customMsg != statusMsg) {
+    info(customMsg);
+  }
+}
+
+async function runCodeMirrorTest(uri) {
+  const actorURI =
+    "chrome://mochitests/content/browser/devtools/client/shared/sourceeditor/test/CodeMirrorTestActors.sys.mjs";
+
+  const { CodeMirrorTestParent } = ChromeUtils.importESModule(actorURI);
+
+  ChromeUtils.registerWindowActor("CodeMirrorTest", {
+    parent: {
+      esModuleURI: actorURI,
+    },
+    child: {
+      esModuleURI: actorURI,
+      events: {
+        DOMWindowCreated: {},
+      },
+    },
+  });
+
+  const donePromise = new Promise(resolve => {
+    CodeMirrorTestParent.setCallback((name, data) => {
+      switch (name) {
+        case "setStatus":
+          const { statusMsg, type, customMsg } = data;
+          codemirrorSetStatus(statusMsg, type, customMsg);
+          break;
+        case "done":
+          resolve(!data.failed);
+          break;
+      }
+    });
+  });
+
+  await addTab(uri);
+  const result = await donePromise;
+  ok(result, "CodeMirror tests all passed");
+  while (gBrowser.tabs.length > 1) {
+    gBrowser.removeCurrentTab();
+  }
+
+  ChromeUtils.unregisterWindowActor("CodeMirrorTest");
+}