Merge pull request #54 from rastapasta/unit-tests

Add unit tests for utils.normalize
rastapasta · Nov 19, 2018 · e47fe83 · e47fe83
2 parents 14628a8 + 62440a9
commit e47fe83
Showing 1 changed file with 34 additions and 15 deletions.
diff --git a/src/utils.spec.js b/src/utils.spec.js
@@ -3,26 +3,45 @@ const utils = require('./utils');
 
 describe('utils', () => {
   describe('hex2rgb', () => {
-    test('#ff0000', () => {
-      expect(utils.hex2rgb('#ff0000')).toEqual([255,0,0]);
+    describe.each([
+      ['#ff0000', 255, 0, 0],
+      ['#ffff00', 255, 255, 0],
+      ['#0000ff', 0, 0, 255],
+      ['#112233', 17, 34, 51],
+      ['#888', 136, 136, 136],
+    ])('when given "%s"', (input, r, g, b) => {
+      test(`returns [${r},${g},${b}]`, () => {
+        expect(utils.hex2rgb(input)).toEqual([r, g, b]);
+      });
     });
-    test('#ffff00', () => {
-      expect(utils.hex2rgb('#ffff00')).toEqual([255,255,0]);
-    });
-    test('#0000ff', () => {
-      expect(utils.hex2rgb('#0000ff')).toEqual([0,0,255]);
-    });
-    test('#112233', () => {
-      expect(utils.hex2rgb('#112233')).toEqual([17,34,51]);
-    });
-    test('#888', () => {
-      expect(utils.hex2rgb('#888')).toEqual([136,136,136]);
-    });
-    test('33', () => {
+
+    test('throws an Error when given "33"', () => {
       function wrapper() {
         utils.hex2rgb('33');
       }
       expect(wrapper).toThrowError('isn\'t a supported hex color');
     });
   });
 });
+
+describe('normalize', () => {
+  describe.each([
+    [0, 0, 0, 0],
+    [61, 48, 61, 48],
+    [-61, -48, -61, -48],
+    [181, 85.06, -179, 85.0511],
+    [-181, -85.06, 179, -85.0511],
+  ])('when given lon=%f and lat=%f', (lon, lat, expected_lon, expected_lat) => {
+    const input = {
+      lon,
+      lat,
+    };
+    test(`returns lon=${expected_lon} and lat=${expected_lat}`, () => {
+      const expected = {
+        lon: expected_lon,
+        lat: expected_lat,
+      };
+      expect(utils.normalize(input)).toEqual(expected);
+    });
+  });
+});