unit test coverage for color_namer.js

test/unit/accessibility/color_namer.js

@@ -0,0 +1,46 @@
+suite('accessibility/color_namer', function () {
+  let myp5;
+
+  setup(function () {
+    myp5 = new p5(function () {});
+  });
+
+  teardown(function () {
+    myp5.remove();
+  });
+
+  test('should be a function', function () {
+    assert.ok(myp5._rgbColorName);
+    assert.typeOf(myp5._rgbColorName, 'function');
+  });
+
+  test('should return black for black rgba', function () {
+    const name = myp5._rgbColorName([0, 0, 0, 255]);
+    assert.equal(name, 'black');
+  });
+
+  test('should return white for white rgba', function () {
+    const name = myp5._rgbColorName([255, 255, 255, 255]);
+    assert.equal(name, 'white');
+  });
+
+  test('should return red for red rgba', function () {
+    const name = myp5._rgbColorName([255, 0, 0, 255]);
+    assert.equal(name, 'red');
+  });
+
+  test('should return green for green rgba', function () {
+    const name = myp5._rgbColorName([0, 255, 0, 255]);
+    assert.equal(name, 'green');
+  });
+
+  test('should return blue for blue rgba', function () {
+    const name = myp5._rgbColorName([0, 0, 255, 255]);
+    assert.equal(name, 'blue');
+  });
+
+  test('should handle gray color exception correctly', function () {
+    const name = myp5._rgbColorName([211, 211, 211, 255]);
+    assert.equal(name, 'gray');
+  });
+});