1 files changed, 39 insertions, 0 deletions
diff --git a/tests/js/sphinx_highlight.js b/tests/js/sphinx_highlight.js
new file mode 100644
index 0000000..1f52eab
--- /dev/null
+++ b/tests/js/sphinx_highlight.js
@@ -0,0 +1,39 @@
+describe('highlightText', function() {
+
+  const cyrillicTerm = 'шеллы';
+  const umlautTerm = 'gänsefüßchen';
+
+  it('should highlight text incl. special characters correctly in HTML', function() {
+    const highlightTestSpan = new DOMParser().parseFromString(
+      '<span>This is the шеллы and Gänsefüßchen test!</span>', 'text/html').body.firstChild
+    _highlightText(highlightTestSpan, cyrillicTerm, 'highlighted');
+    _highlightText(highlightTestSpan, umlautTerm, 'highlighted');
+    const expectedHtmlString =
+      'This is the <span class=\"highlighted\">шеллы</span> and ' +
+      '<span class=\"highlighted\">Gänsefüßchen</span> test!';
+    expect(highlightTestSpan.innerHTML).toEqual(expectedHtmlString);
+  });
+
+  it('should highlight text incl. special characters correctly in SVG', function() {
+    const highlightTestSvg = new DOMParser().parseFromString(
+      '<span id="svg-highlight-test">' +
+        '<svg xmlns="http://www.w3.org/2000/svg" height="50" width="500">' +
+          '<text x="0" y="15">' +
+            'This is the шеллы and Gänsefüßchen test!' +
+          '</text>' +
+        '</svg>' +
+      '</span>', 'text/html').body.firstChild
+    _highlightText(highlightTestSvg, cyrillicTerm, 'highlighted');
+    _highlightText(highlightTestSvg, umlautTerm, 'highlighted');
+    /* Note wild cards and ``toMatch``; allowing for some variability
+       seems to be necessary, even between different FF versions */
+    const expectedSvgString =
+      '<svg xmlns="http://www.w3.org/2000/svg" height="50" width="500">'
+      + '<rect x=".*" y=".*" width=".*" height=".*" class="highlighted"/>'
+      + '<rect x=".*" y=".*" width=".*" height=".*" class="highlighted"/>'
+      + '<text x=".*" y=".*">This is the <tspan>шеллы</tspan> and '
+      + '<tspan>Gänsefüßchen</tspan> test!</text></svg>';
+    expect(new XMLSerializer().serializeToString(highlightTestSvg.firstChild)).toMatch(new RegExp(expectedSvgString));
+  });
+
+});