Adding tests for text symbolizer

test/spec/ol/style/text.test.js

@@ -0,0 +1,165 @@
+goog.provide('ol.test.style.Text');
+
+describe('ol.style.TextLiteral', function() {
+
+  describe('#equals()', function() {
+
+    it('identifies equal literals', function() {
+      var literal = new ol.style.TextLiteral({
+        color: '#ff0000',
+        fontFamily: 'Arial',
+        fontSize: 11,
+        text: 'Test',
+        opacity: 0.5
+      });
+      var equalLiteral = new ol.style.TextLiteral({
+        color: '#ff0000',
+        fontFamily: 'Arial',
+        fontSize: 11,
+        text: 'Test',
+        opacity: 0.5
+      });
+      var differentLiteral1 = new ol.style.TextLiteral({
+        color: '#0000ff',
+        fontFamily: 'Arial',
+        fontSize: 11,
+        text: 'Test',
+        opacity: 0.5
+      });
+      var differentLiteral2 = new ol.style.TextLiteral({
+        color: '#ff0000',
+        fontFamily: 'Dingbats',
+        fontSize: 11,
+        text: 'Test',
+        opacity: 0.5
+      });
+      var differentLiteral3 = new ol.style.TextLiteral({
+        color: '#ff0000',
+        fontFamily: 'Arial',
+        fontSize: 12,
+        text: 'Test',
+        opacity: 0.5
+      });
+      var differentLiteral4 = new ol.style.TextLiteral({
+        color: '#ff0000',
+        fontFamily: 'Arial',
+        fontSize: 11,
+        text: 'Test',
+        opacity: 0.6
+      });
+      var equalLiteral2 = new ol.style.TextLiteral({
+        color: '#ff0000',
+        fontFamily: 'Arial',
+        fontSize: 11,
+        text: 'Text is not compared for equality',
+        opacity: 0.5
+      });
+      expect(literal.equals(equalLiteral)).to.be(true);
+      expect(literal.equals(differentLiteral1)).to.be(false);
+      expect(literal.equals(differentLiteral2)).to.be(false);
+      expect(literal.equals(differentLiteral3)).to.be(false);
+      expect(literal.equals(differentLiteral4)).to.be(false);
+      expect(literal.equals(equalLiteral2)).to.be(true);
+    });
+
+  });
+
+});
+
+describe('ol.style.Text', function() {
+
+  describe('constructor', function() {
+
+    it('accepts literal values', function() {
+      var symbolizer = new ol.style.Text({
+        color: '#ff0000',
+        fontFamily: 'Arial',
+        fontSize: 11,
+        text: 'Test',
+        opacity: 0.6
+      });
+      expect(symbolizer).to.be.a(ol.style.Text);
+    });
+
+    it('accepts expressions', function() {
+      var symbolizer = new ol.style.Text({
+        color: ol.expr.parse('"#ff0000"'),
+        fontFamily: ol.expr.parse('"Arial"'),
+        fontSize: ol.expr.parse('11'),
+        text: ol.expr.parse('"Test"'),
+        opacity: ol.expr.parse('0.6')
+      });
+      expect(symbolizer).to.be.a(ol.style.Text);
+    });
+
+  });
+
+  describe('#createLiteral()', function() {
+
+    it('evaluates expressions with the given feature', function() {
+      var symbolizer = new ol.style.Text({
+        color: ol.expr.parse('colorAttr'),
+        fontFamily: ol.expr.parse('fontFamilyAttr'),
+        fontSize: ol.expr.parse('fontSizeAttr'),
+        text: ol.expr.parse('textAttr'),
+        opacity: ol.expr.parse('opacityAttr')
+      });
+
+      var feature = new ol.Feature({
+        colorAttr: '#ff0000',
+        fontFamilyAttr: 'Dingbats',
+        fontSizeAttr: 43,
+        textAttr: 'Test',
+        opacityAttr: 0.4
+      });
+
+      var literal = symbolizer.createLiteral(feature);
+      expect(literal).to.be.a(ol.style.TextLiteral);
+      expect(literal.color).to.be('#ff0000');
+      expect(literal.fontFamily).to.be('Dingbats');
+      expect(literal.fontSize).to.be(43);
+      expect(literal.text).to.be('Test');
+      expect(literal.opacity).to.be(0.4);
+    });
+
+    it('can be called without a feature', function() {
+      var symbolizer = new ol.style.Text({
+        color: ol.expr.parse('"#ff0000"'),
+        fontFamily: ol.expr.parse('"Arial"'),
+        fontSize: ol.expr.parse('11'),
+        text: ol.expr.parse('"Test"'),
+        opacity: ol.expr.parse('0.6')
+      });
+
+      var literal = symbolizer.createLiteral();
+      expect(literal).to.be.a(ol.style.TextLiteral);
+      expect(literal.color).to.be('#ff0000');
+      expect(literal.fontFamily).to.be('Arial');
+      expect(literal.fontSize).to.be(11);
+      expect(literal.text).to.be('Test');
+      expect(literal.opacity).to.be(0.6);
+    });
+
+    it('applies default type if none provided', function() {
+      var symbolizer = new ol.style.Text({
+        text: 'Test'
+      });
+
+      var literal = symbolizer.createLiteral();
+      expect(literal).to.be.a(ol.style.TextLiteral);
+      expect(literal.color).to.be('#000');
+      expect(literal.fontFamily).to.be('sans-serif');
+      expect(literal.fontSize).to.be(10);
+      expect(literal.text).to.be('Test');
+      expect(literal.opacity).to.be(1);
+    });
+
+  });
+
+});
+
+goog.require('ol.Feature');
+goog.require('ol.expr');
+goog.require('ol.expr.Literal');
+goog.require('ol.style.Text');
+goog.require('ol.style.TextLiteral');