Add node tests

test/node/ol/css.test.js

@@ -0,0 +1,64 @@
+import expect from '../expect.js';
+import {getFontParameters} from '../../../src/ol/css.js';
+
+describe('ol.css', function () {
+  describe('getFontParameters()', function () {
+    const cases = [
+      {
+        font: '2em "Open Sans"',
+        style: 'normal',
+        weight: 'normal',
+        families: ['"Open Sans"'],
+      },
+      {
+        font: "2em 'Open Sans'",
+        style: 'normal',
+        weight: 'normal',
+        families: ['"Open Sans"'],
+      },
+      {
+        font: '2em "Open Sans", sans-serif',
+        style: 'normal',
+        weight: 'normal',
+        families: ['"Open Sans"', 'sans-serif'],
+      },
+      {
+        font: 'italic small-caps bolder 16px/3 cursive',
+        style: 'italic',
+        weight: 'bolder',
+        families: ['cursive'],
+      },
+      {
+        font: 'garbage 2px input',
+        families: null,
+      },
+      {
+        font: '100% fantasy',
+        style: 'normal',
+        weight: 'normal',
+        families: ['fantasy'],
+      },
+    ];
+
+    cases.forEach(function (c, i) {
+      it('works for ' + c.font, function () {
+        const font = getFontParameters(c.font);
+        if (c.families === null) {
+          expect(font).to.be(null);
+          return;
+        }
+        font.families.forEach(function (family, j) {
+          // Safari uses single quotes for font families, so we have to do extra work
+          if (family.charAt(0) === "'") {
+            // we wouldn't want to do this in the lib since it doesn't properly escape quotes
+            // but we know that our test cases don't include quotes in font names
+            font.families[j] = '"' + family.slice(1, -1) + '"';
+          }
+        });
+        expect(font.style).to.eql(c.style);
+        expect(font.weight).to.eql(c.weight);
+        expect(font.families).to.eql(c.families);
+      });
+    });
+  });
+});