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gaia/build/test/unit/rebuild_test.js

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+'use strict';
+
+var assert = require('chai').assert;
+var proxyquire = require('proxyquire');
+var mockUtils = require('./mock_utils.js');
+
+suite('rebuild.js', function() {
+  var rebuild;
+  var appDirs = ['path/to/app1'];
+  var files = [
+    { path: 'path/to/app1/app1.js', lastModifiedTime: 1 },
+    { path: 'path/to/app1/test/app1_test.js', lastModifiedTime: 2 },
+    { path: 'path/to/app1/.jshintrc', lastModifiedTime: 3 },
+    { path: '.gitignore', lastModifiedTime: 4 }
+  ];
+  var config = {
+    'rebuildBlacklist': []
+  };
+
+  setup(function() {
+    var stubs = {
+      './utils': mockUtils,
+      './config/build-config.json': config
+    };
+    rebuild = proxyquire.noCallThru().load('../../rebuild', stubs);
+
+    mockUtils.getFile = function() {
+      var path = Array.prototype.slice.call(arguments, 0).join('/');
+      return {
+        path: path,
+        leafName: path.split('/').pop(),
+        exists: function() { return true; },
+        isDirectory: function() { return true; }
+      };
+    };
+
+    mockUtils.ls = function() {
+      return files;
+    };
+
+    mockUtils.relativePath = function(from, to) {
+      return to.slice(from.length + 1);
+    };
+
+    mockUtils.getFileContent = function() {
+      return '';
+    };
+  });
+
+  test('getTimestamp', function() {
+    var expected = {
+      'path/to/app1': {
+        'app1.js': 1,
+        'test/app1_test.js': 2
+      }
+    };
+    assert.deepEqual(expected, rebuild.getTimestamp(appDirs));
+  });
+
+  test('isFileWatched', function() {
+    var expected = [
+      { path: 'path/to/app1/app1.js', lastModifiedTime: 1 },
+      { path: 'path/to/app1/test/app1_test.js', lastModifiedTime: 2 }
+    ];
+    assert.deepEqual(expected, files.filter(rebuild.isFileWatched));
+  });
+
+  test('dirChanged', function() {
+    var prev = {
+      'path/to/app1/file1': 1,
+      'path/to/app1/file2': 2,
+      'path/to/app1/file3': 3
+    };
+    var current = {
+      'path/to/app1/file1': 5,
+      'path/to/app1/file2': 2,
+      'path/to/app1/file3': 3
+    };
+    assert.equal(false, rebuild.dirChanged(prev, prev, 'app1'));
+    assert.equal(true, rebuild.dirChanged(prev, current, 'app1'));
+  });
+});