Test IPython.utils.fixConsole() (really ansispan())

IPython/html/tests/base/utils.js

@@ -0,0 +1,23 b''
+casper.notebook_test(function () {
+    var input = [
+        "\033[0m[\033[0minfo\033[0m] \033[0mtext\033[0m",
+        "\033[0m[\033[33mwarn\033[0m] \033[0m\tmore text\033[0m",
+        "\033[0m[\033[33mwarn\033[0m] \033[0m  https://some/url/to/a/file.ext\033[0m",
+        "\033[0m[\033[31merror\033[0m] \033[0m\033[0m",
+        "\033[0m[\033[31merror\033[0m] \033[0m\teven more text\033[0m",
+        "\033[0m[\033[31merror\033[0m] \033[0m\t\tand more more text\033[0m"].join("\n");
+
+    var output = [
+        "[info] text",
+        "[<span  class=\"ansiyellow\">warn</span>] \tmore text",
+        "[<span  class=\"ansiyellow\">warn</span>]   https://some/url/to/a/file.ext",
+        "[<span  class=\"ansired\">error</span>] ",
+        "[<span  class=\"ansired\">error</span>] \teven more text",
+        "[<span  class=\"ansired\">error</span>] \t\tand more more text"].join("\n");
+
+    var result = this.evaluate(function (input) {
+        return IPython.utils.fixConsole(input);
+    }, input);
+
+    this.test.assertEquals(result, output, "IPython.util.fixConsole() handles [0m correctly");
+});