Adds a few simple tests

Author: gcollazo

package.json

@@ -7,7 +7,10 @@
     "type": "git",
     "url": "git://github.com/GetBlimp/filepreviews-node.git"
   },
-  "scripts": {},
+  "scripts": {
+    "test": "mocha test",
+    "tdd": "mocha --watch test"
+  },
   "bin": {
     "filepreviews": "./bin/filepreviews"
   },
@@ -17,5 +20,8 @@
     "request": "^2.34.0",
     "commander": "^2.2.0",
     "valid-url": "^1.0.9"
+  },
+  "devDependencies": {
+    "mocha": "^2.2.5"
   }
 }

test/index.js

@@ -0,0 +1,179 @@
+/* globals describe it before */
+var assert = require('assert');
+var FilePreviews = require('../lib');
+
+describe('Suite', function() {
+  describe('initialization', function() {
+    it('should require apiKey', function() {
+      assert.throws(function() {
+        var fp = new FilePreviews({ apiSecret: 'secret' });
+      });
+    });
+
+    it('should require apiSecret', function() {
+      assert.throws(function() {
+        var fp = new FilePreviews({ apiKey: 'key' });
+      });
+    });
+
+    it('should not throw if given apiKey and apiSecret', function() {
+      assert.doesNotThrow(function() {
+        var fp = new FilePreviews({ apiKey: 'key', apiSecret: 'secret' });
+      });
+    });
+
+    it('should set apiKey and apiSecret', function() {
+      var fp = new FilePreviews({ apiKey: 'key', apiSecret: 'secret' });
+      assert.equal(fp.apiKey, 'key');
+      assert.equal(fp.apiSecret, 'secret');
+    });
+  });
+
+  describe('#getAPIRequestData()', function() {
+    var fp;
+    before(function() {
+      fp = new FilePreviews({ apiKey: 'key', apiSecret: 'secret' });
+    });
+
+    it('should work without options', function() {
+      var url = 'http://example.com';
+      var result = fp.getAPIRequestData(url);
+      assert.equal(result.url, url);
+    });
+
+    it('should work with options', function() {
+      var url = 'http://example.com';
+      var options = {
+        format: 'jpg'
+      };
+
+      var result = fp.getAPIRequestData(url, options);
+      assert.equal(result.url, url);
+      assert.equal(result.format, options.format);
+    });
+
+    it('should concantenate height and width', function() {
+      var url = 'http://example.com';
+      var options = {
+        size: {
+          width: 1,
+          height: 2
+        }
+      };
+
+      var result = fp.getAPIRequestData(url, options);
+      assert.equal(result.sizes[0], '1x2');
+    });
+
+    it('should handle width only', function() {
+      var url = 'http://example.com';
+      var options = {
+        size: {
+          width: 1
+        }
+      };
+
+      var result = fp.getAPIRequestData(url, options);
+      assert.equal(result.sizes[0], '1');
+    });
+
+    it('should handle height only', function() {
+      var url = 'http://example.com';
+      var options = {
+        size: {
+          height: 2
+        }
+      };
+
+      var result = fp.getAPIRequestData(url, options);
+      assert.equal(result.sizes[0], 'x2');
+    });
+  });
+
+  describe('#generate()', function() {
+    var fp;
+    before(function() {
+      fp = new FilePreviews({ apiKey: 'key', apiSecret: 'secret' });
+    });
+
+    it('should format request correctly', function() {
+      fp._request = function(request, callback) {
+        var url = request.url.split('/');
+
+        assert.equal(request.auth.username, 'key');
+        assert.equal(request.auth.password, 'secret');
+
+        assert.equal(request.method, 'POST');
+        assert.equal(request.json, true);
+
+        assert.equal(url[3], 'v2');
+        assert.equal(url[4], 'previews');
+      };
+      fp.generate('my-preview-id');
+    });
+
+    it('should handle success', function() {
+      fp._request = function(request, callback) {
+        callback(null, { statusCode: 200 }, 'Yei!');
+      };
+      fp.retrieve('my-preview-id', function(err, result) {
+        assert.equal(err, null);
+        assert.equal(result, 'Yei!');
+      });
+    });
+
+    it('should handle error', function() {
+      fp._request = function(request, callback) {
+        callback('error', { statusCode: 400 }, 'Some Error');
+      };
+      fp.retrieve('my-preview-id', function(err, result) {
+        assert.equal(err, 'Some Error');
+        assert.equal(result, null);
+      });
+    });
+  });
+
+  describe('#retrieve()', function() {
+    var fp;
+    before(function() {
+      fp = new FilePreviews({ apiKey: 'key', apiSecret: 'secret' });
+    });
+
+    it('should format request correctly', function() {
+      fp._request = function(request, callback) {
+        var url = request.url.split('/');
+
+        assert.equal(request.auth.username, 'key');
+        assert.equal(request.auth.password, 'secret');
+
+        assert.equal(request.method, 'GET');
+        assert.equal(request.json, true);
+
+        assert.equal(url[3], 'v2');
+        assert.equal(url[4], 'previews');
+        assert.equal(url[5], 'my-preview-id');
+      };
+      fp.retrieve('my-preview-id');
+    });
+
+    it('should handle success', function() {
+      fp._request = function(request, callback) {
+        callback(null, { statusCode: 200 }, 'Yei!');
+      };
+      fp.retrieve('my-preview-id', function(err, result) {
+        assert.equal(err, null);
+        assert.equal(result, 'Yei!');
+      });
+    });
+
+    it('should handle error', function() {
+      fp._request = function(request, callback) {
+        callback('error', { statusCode: 400 }, 'Some Error');
+      };
+      fp.retrieve('my-preview-id', function(err, result) {
+        assert.equal(err, 'Some Error');
+        assert.equal(result, null);
+      });
+    });
+  });
+});