1 files changed, 141 insertions, 0 deletions
diff --git a/comm/mail/components/extensions/test/browser/browser_ext_compose_begin_bug1691254.js b/comm/mail/components/extensions/test/browser/browser_ext_compose_begin_bug1691254.js
new file mode 100644
index 0000000000..6a763d5c43
--- /dev/null
+++ b/comm/mail/components/extensions/test/browser/browser_ext_compose_begin_bug1691254.js
@@ -0,0 +1,141 @@
+/* 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/. */
+
+requestLongerTimeout(2);
+
+var { MailServices } = ChromeUtils.import(
+  "resource:///modules/MailServices.jsm"
+);
+
+let account = createAccount("pop3");
+createAccount("local");
+MailServices.accounts.defaultAccount = account;
+
+let defaultIdentity = addIdentity(account);
+defaultIdentity.composeHtml = true;
+let nonDefaultIdentity = addIdentity(account);
+nonDefaultIdentity.composeHtml = false;
+
+let rootFolder = account.incomingServer.rootFolder;
+rootFolder.createSubfolder("test", null);
+let folder = rootFolder.getChildNamed("test");
+createMessages(folder, 4);
+
+/* Test if line breaks in HTML are ignored (see bug 1691254). */
+add_task(async function testBR() {
+  let files = {
+    "background.js": async () => {
+      let accounts = await browser.accounts.list();
+      browser.test.assertEq(2, accounts.length, "number of accounts");
+      let popAccount = accounts.find(a => a.type == "pop3");
+      let folder = popAccount.folders.find(f => f.name == "test");
+      let { messages } = await browser.messages.list(folder);
+      browser.test.assertEq(4, messages.length, "number of messages");
+
+      let body = `<html><head>\r\n\r\n \r\n<meta http-equiv="content-type" content="text/html; charset=UTF-8">\r\n\r\n </head><body>\r\n \r\n<p><font face="monospace">This is some <br> HTML text</font><br>\r\n </p>\r\n\r\n \r\n\r\n\r\n</body></html>\r\n\r\n\r\n`;
+      let tests = [
+        {
+          description: "Begin new.",
+          funcName: "beginNew",
+          arguments: [{ body }],
+        },
+        {
+          description: "Edit as new.",
+          funcName: "beginNew",
+          arguments: [messages[0].id, { body }],
+        },
+        {
+          description: "Reply default.",
+          funcName: "beginReply",
+          arguments: [messages[0].id, { body }],
+        },
+        {
+          description: "Reply as replyToSender.",
+          funcName: "beginReply",
+          arguments: [messages[0].id, "replyToSender", { body }],
+        },
+        {
+          description: "Reply as replyToList.",
+          funcName: "beginReply",
+          arguments: [messages[0].id, "replyToList", { body }],
+        },
+        {
+          description: "Reply as replyToAll.",
+          funcName: "beginReply",
+          arguments: [messages[0].id, "replyToAll", { body }],
+        },
+        {
+          description: "Forward default.",
+          funcName: "beginForward",
+          arguments: [messages[0].id, { body }],
+        },
+        {
+          description: "Forward inline.",
+          funcName: "beginForward",
+          arguments: [messages[0].id, "forwardInline", { body }],
+        },
+        {
+          description: "Forward as attachment.",
+          funcName: "beginForward",
+          arguments: [messages[0].id, "forwardAsAttachment", { body }],
+        },
+      ];
+
+      for (let test of tests) {
+        browser.test.log(JSON.stringify(test));
+        let createdWindowPromise = window.waitForEvent("windows.onCreated");
+        await browser.compose[test.funcName](...test.arguments);
+
+        let [createdWindow] = await createdWindowPromise;
+        browser.test.assertEq("messageCompose", createdWindow.type);
+        browser.test.sendMessage("checkBody", test);
+        await window.waitForMessage();
+        let removedWindowPromise = window.waitForEvent("windows.onRemoved");
+        browser.windows.remove(createdWindow.id);
+        await removedWindowPromise;
+      }
+
+      browser.test.notifyPass("finished");
+    },
+    "utils.js": await getUtilsJS(),
+  };
+  let extension = ExtensionTestUtils.loadExtension({
+    files,
+    manifest: {
+      background: { scripts: ["utils.js", "background.js"] },
+      permissions: ["accountsRead", "messagesRead"],
+    },
+  });
+  extension.onMessage("checkBody", async test => {
+    let composeWindows = [...Services.wm.getEnumerator("msgcompose")];
+    is(composeWindows.length, 1);
+    await new Promise(resolve => composeWindows[0].setTimeout(resolve));
+
+    is(composeWindows[0].IsHTMLEditor(), true, "composition mode");
+
+    let editor = composeWindows[0].GetCurrentEditor();
+    let actualHTML = editor.outputToString(
+      "text/html",
+      Ci.nsIDocumentEncoder.OutputRaw
+    );
+    let brCounts = (actualHTML.match(/<br>/g) || []).length;
+    is(
+      brCounts,
+      2,
+      `[${test.description}] Number of br tags in html is correct (${actualHTML}).`
+    );
+
+    let eqivCounts = (actualHTML.match(/http-equiv/g) || []).length;
+    is(
+      eqivCounts,
+      1,
+      `[${test.description}] Number of http-equiv meta tags in html is correct (${actualHTML}).`
+    );
+    extension.sendMessage();
+  });
+
+  await extension.startup();
+  await extension.awaitFinish("finished");
+  await extension.unload();
+});