expect-maptalks - npm Package Compare versions

Comparing version 0.1.1 to 0.2.0

index.js

@@ -125,3 +125,3 @@ 'use strict';
 
-    function isCenterDrawn(layer, dx, dy) {
+    function isCenterDrawn(layer, dx, dy, color) {
         if (!dx) {
@@ -142,9 +142,13 @@ dx = 0;
         var canvas = image.image;
-        return isDrawn(parseInt(size.width) / 2 - image.point.x + dx, parseInt(size.height) / 2 - image.point.y + dy, canvas);
+        return isDrawn(parseInt(size.width) / 2 - image.point.x + dx, parseInt(size.height) / 2 - image.point.y + dy, canvas, color);
     }
 
-    function isDrawn(x, y, canvas) {
+    function isDrawn(x, y, canvas, color) {
         var context = canvas.getContext('2d');
         var imgData = context.getImageData(x, y, 1, 1).data;
         if (imgData[3] > 0) {
+            if (color) {
+                return imgData[0] === color[0] && imgData[1] === color[1] &&
+                    imgData[2] === color[2];
+            }
             return true;
@@ -155,6 +159,6 @@ }
 
-    expect.Assertion.prototype.painted = function (dx, dy) {
+    expect.Assertion.prototype.painted = function (dx, dy, color) {
         var expectation = false;
         if (('maptalks' in global) && (this.obj instanceof maptalks.Layer)) {
-            expectation = isCenterDrawn(this.obj, dx, dy);
+            expectation = isCenterDrawn(this.obj, dx, dy, color);
         }
@@ -161,0 +165,0 @@ this.assert(

package.json

 {
   "name": "expect-maptalks",
-  "version": "0.1.1",
+  "version": "0.2.0",
   "description": "A plugin of expect.js(https://github.com/Automattic/expect.js) for maptalks with assertions for Coordinate/GeoJSON/Layer",
@@ -5,0 +5,0 @@ "license": "MIT",

README.md

@@ -6,1 +6,63 @@ # expect-maptalks
 A plugin of expect.js(https://github.com/Automattic/expect.js) for maptalks with assertions for Coordinate/GeoJSON/Layer
+
+## Usage
+
+```bash
+npm install expect-maptalks --save-dev
+```
+
+### with Karma
+Install [karma-expect-maptalks](https://github.com/MapTalks/karma-expect-maptalks)
+```bash
+npm install karma-expect-maptalks --save-dev
+```
+In karma.conf.js, Attention: **always declare expect-maptalks behind expect**
+```javascript
+    frameworks: [
+      'mocha',
+      'expect',
+      'expect-maptalks'
+    ],
+    
+    plugins: [
+      'karma-expect',
+      'karma-expect-maptalks'
+    ],
+```
+
+
+## Methods
+
+**approx**: asserts that the value is approximately equal or not
+
+```js
+expect(1.000001).to.be.approx(1);
+expect(1.001).to.be.approx(1, 1E-2);
+```
+
+**closeTo**: asserts that whether the coordinate is closeTo another (approx with a delta of 1E-6)
+
+```js
+expect([1, 1]).to.be.closeTo([1 + 1E-7, 1 - 1E-7]);
+expect({x : 1, y : 1}).to.be.closeTo([1 + 1E-7, 1 - 1E-7]);
+```
+
+**eqlGeoJSON**: asserts that whether a GeoJSON object is equal with another (true if the coordinates are closeTo another's)
+
+```js
+//true
+expect({ "type": "Point", "coordinates": [0.0, 0.0] })
+    .to.be.eqlGeoJSON({ "type": "Point", "coordinates": [0.000001, 0.000001] });
+```
+
+**painted**: asserts the given layer is painted in the center with a offset.
+
+```js
+var v = new maptalks.VectorLayer('v').addGeometries(geos).addTo(map);
+//asserts layer is painted in the center
+expect(v).to.be.painted();
+//whether the layer is painted with an offset {x:5, y:3} from the center.
+//a negative x to the left and a positive to the right.
+//a negative y to the top and a positive to the bottom.
+expect(v).to.be.painted(5, 3);
+```

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Improved metrics

Total package byte prevSize

9963

increased by22.64%

Lines of code

157

increased by2.61%

Number of lines in readme file

67

increased by1016.67%

No dependency changes