old_contents: // refs. http://www.benlesh.com/2013/06/angular-js-unit-testing-services.html
  
  describe("Services", function() {
    var Row;
    var Family;
    var Column;
    var Value;
  
    beforeEach(function() {
      module("hbase-dataflow-app.services");
  
      inject(function(_Row_, _Family_, _Column_, _Value_) {
        Row = _Row_;
        Family = _Family_;
        Column = _Column_;
        Value = _Value_;
      });
    });
  
    function toJSON(obj) {
      return JSON.stringify(obj, null, 2);
    }
  
    it("should to instantiate Value", function() {
      var testValue = new Value("hello");
  
      expect(testValue.getValue()).toBe("hello");
    });
  
    it("should to instantiate Column", function() {
      var testColumn = new Column("testColumn");
      var testValue = new Value("hello");
  
      testColumn.setValue(testValue);
  
      expect(testColumn.getValue().getValue()).toBe("hello");
  
      testValue = new Value("world");
  
      testColumn.setValue(testValue);
  
      expect(testColumn.getValue().getValue()).toBe("world");
  
      testValue = new Value("kewang");
  
      testColumn.setValue(testValue);
  
      expect(testColumn.getValue().getValue()).toBe("kewang");
  
      testValue = new Value("hahaha");
  
      testColumn.setValue(testValue);
  
      expect(testColumn.getValue().getValue()).toBe("hahaha");
  
      expect(testColumn.getName()).toBe("testColumn");
    });
  
    it("should to instantiate Family", function() {
      var testFamily = new Family("testFamily");
      var testColumn1 = new Column("testColumn1");
      var testColumn2 = new Column("testColumn2");
      var testValue = new Value("hello");
  
      testColumn1.setValue(testValue);
  
      testValue = new Value("world");
  
      testColumn2.setValue(testValue);
  
      testFamily.addColumn(testColumn1);
      testFamily.addColumn(testColumn2);
  
      expect(testFamily.getName()).toBe("testFamily");
      expect(testFamily.getColumns()[0]).toBe(testColumn1);
      expect(testFamily.getColumns()[1]).toBe(testColumn2);
      expect(testFamily.findColumnByName("testColumn1")).toBe(testColumn1);
      expect(testFamily.findColumnByName("testColumn3")).toBe(null);
    });
  
    it("should to instantiate Row", function() {
      var testRow = new Row("testRow");
  
      testRow.addColumn("testFamily:testColumn", "hello")
        .addColumn("testFamily:testColumn", "world")
        .addColumn("testFamily2:testColumn3", "kewang")
        .addColumn("testFamily2:testColumn4", "hahaha", 50000)
        .addColumn("testFamily2:testColumn4", "xdxdxd", 40000)
        .addColumn("testFamily2:testColumn4", "asdfasfsafd", 99999)
        .addColumn("testFamily2:testColumn4", "mitake", 100000);
  
      console.log(toJSON(testRow.getColumns()));
      console.log(toJSON(testRow.findColumnByName("testFamily:testColumn")));
    });
  });
new_contents: // refs. http://www.benlesh.com/2013/06/angular-js-unit-testing-services.html
  
  describe("Services", function() {
    var Row;
    var Family;
    var Column;
    var Value;
  
    beforeEach(function() {
      module("hbase-dataflow-app.services");
  
      inject(function(_Row_, _Family_, _Column_, _Value_) {
        Row = _Row_;
        Family = _Family_;
        Column = _Column_;
        Value = _Value_;
      });
    });
  
    function toJSON(obj) {
      return JSON.stringify(obj, null, 2);
    }
  
    it("should to instantiate Value", function() {
      var testValue = new Value("hello");
  
      expect(testValue.getValue()).toBe("hello");
    });
  
    it("should to instantiate Column", function() {
      var testColumn = new Column("testColumn");
      var testValue = new Value("hello");
  
      testColumn.setValue(testValue);
  
      expect(testColumn.getValue().getValue()).toBe("hello");
  
      testValue = new Value("world");
  
      testColumn.setValue(testValue);
  
      expect(testColumn.getValue().getValue()).toBe("world");
  
      testValue = new Value("kewang");
  
      testColumn.setValue(testValue);
  
      expect(testColumn.getValue().getValue()).toBe("kewang");
  
      testValue = new Value("hahaha");
  
      testColumn.setValue(testValue);
  
      expect(testColumn.getValue().getValue()).toBe("hahaha");
  
      expect(testColumn.getName()).toBe("testColumn");
    });
  
    it("should to instantiate Family", function() {
      var testFamily = new Family("testFamily");
      var testColumn1 = new Column("testColumn1");
      var testColumn2 = new Column("testColumn2");
      var testValue = new Value("hello");
  
      testColumn1.setValue(testValue);
  
      testValue = new Value("world");
  
      testColumn2.setValue(testValue);
  
      testFamily.addColumn(testColumn1);
      testFamily.addColumn(testColumn2);
  
      expect(testFamily.getName()).toBe("testFamily");
      expect(testFamily.getColumns()[0]).toBe(testColumn1);
      expect(testFamily.getColumns()[1]).toBe(testColumn2);
      expect(testFamily.findColumnByName("testColumn1")).toBe(testColumn1);
      expect(testFamily.findColumnByName("testColumn3")).toBe(null);
    });
  
    it("should to instantiate Row", function() {
      var testRow = new Row("testRow");
  
      testRow.addColumn("testFamily:testColumn", "hello")
        .addColumn("testFamily:testColumn", "world")
        .addColumn("testFamily2:testColumn3", "kewang")
        .addColumn("testFamily2:testColumn4", "hahaha", 50000)
        .addColumn("testFamily2:testColumn4", "xdxdxd", 40000)
        .addColumn("testFamily2:testColumn4", "asdfasfsafd", 99999)
        .addColumn("testFamily2:testColumn4", "mitake", 100000);
  
      expect(testRow.findColumnByName("testFamily:testColumn")).not.toBe(null);
      expect(testRow.findColumnByName("testFamily:testColumnNotFound")).toBe(null);
    });
  });
subject: add test for Row service