Adding tests for Literal nodes

spec/parser/javascript/literal_spec.js

@@ -0,0 +1,77 @@
+import javascript from 'src/js/parser/javascript/parser.js';
+import Snap from 'snapsvg';
+
+describe('parser/javascript/any_character.js', function() {
+
+  it('parses "x" as a Literal', function() {
+    var parser = new javascript.Parser('x');
+    expect(parser.__consume__terminal()).toEqual(jasmine.objectContaining({
+      type: 'literal',
+      literal: 'x'
+    }));
+  });
+
+  it('parses "\\x" as a Literal', function() {
+    var parser = new javascript.Parser('\\x');
+    expect(parser.__consume__terminal()).toEqual(jasmine.objectContaining({
+      type: 'literal',
+      literal: 'x'
+    }));
+  });
+
+  describe('#_render', function() {
+
+    beforeEach(function() {
+      var parser = new javascript.Parser('a');
+      this.node = parser.__consume__terminal();
+      this.node.state = {};
+
+      this.svg = Snap(document.createElement('svg'));
+      this.node.container = this.svg.group();
+      spyOn(this.node, 'renderLabel').and.callThrough();
+    });
+
+    it('renders a label', function() {
+      this.node._render();
+      expect(this.node.renderLabel).toHaveBeenCalledWith(['"', 'a', '"']);
+    });
+
+    it('sets the class of the first and third tspan to "quote"', function(done) {
+      this.node._render()
+        .then(label => {
+          expect(label.selectAll('tspan')[0].hasClass('quote')).toBeTruthy();
+          expect(label.selectAll('tspan')[2].hasClass('quote')).toBeTruthy();
+        })
+        .finally(done)
+        .done();
+    });
+
+    it('sets the edge radius of the rect', function(done) {
+      this.node._render()
+        .then(label => {
+          expect(label.select('rect').attr()).toEqual(jasmine.objectContaining({
+            rx: '3',
+            ry: '3'
+          }));
+        })
+        .finally(done)
+        .done();
+    });
+
+  });
+
+  describe('#merge', function() {
+
+    beforeEach(function() {
+      var parser = new javascript.Parser('a');
+      this.node = parser.__consume__terminal();
+    });
+
+    it('appends to the literal value', function() {
+      this.node.merge({ literal: 'b' });
+      expect(this.node.literal).toEqual('ab');
+    });
+
+  });
+
+});

src/js/parser/javascript/literal.js

@@ -4,8 +4,8 @@ export default {
   type: 'literal',
 
   _render() {
-    return this.renderLabel(['"', this.literal.textValue, '"'])
+    return this.renderLabel(['"', this.literal, '"'])
-      .then(label => {
+      .tap(label => {
         var spans = label.selectAll('tspan');
 
         spans[0].addClass('quote');
@@ -19,11 +19,10 @@ export default {
   },
 
   merge(other) {
-    this.textValue += other.textValue;
+    this.literal += other.literal;
-    this.literal.textValue += other.literal.textValue;
   },
 
   setup() {
-    this.literal = this.properties.literal;
+    this.literal = this.properties.literal.textValue;
   }
 };