jasmine/spec/core/ExceptionFormatterSpec.js

describe("ExceptionFormatter", function() {
  describe("#message", function() {
    it('formats Firefox exception messages', function() {
      var sampleFirefoxException = {
          fileName: 'foo.js',
          lineNumber: '1978',
          message: 'you got your foo in my bar',
          name: 'A Classic Mistake'
        },
        exceptionFormatter = new jasmine.ExceptionFormatter(),
        message = exceptionFormatter.message(sampleFirefoxException);

      expect(message).toEqual('A Classic Mistake: you got your foo in my bar in foo.js (line 1978)');
    });

    it('formats Webkit exception messages', function() {
      var sampleWebkitException = {
          sourceURL: 'foo.js',
          line: '1978',
          message: 'you got your foo in my bar',
          name: 'A Classic Mistake'
        },
        exceptionFormatter = new jasmine.ExceptionFormatter(),
        message = exceptionFormatter.message(sampleWebkitException);

      expect(message).toEqual('A Classic Mistake: you got your foo in my bar in foo.js (line 1978)');
    });

    it('formats V8 exception messages', function() {
      var sampleV8 = {
          message: 'you got your foo in my bar',
          name: 'A Classic Mistake'
        },
        exceptionFormatter = new jasmine.ExceptionFormatter(),
        message = exceptionFormatter.message(sampleV8);

      expect(message).toEqual('A Classic Mistake: you got your foo in my bar');

    });
  });

  describe("#stack", function() {
    it("formats stack traces from Webkit, Firefox or node.js", function() {
      var error = new Error("an error");
      expect(new jasmine.ExceptionFormatter().stack(error)).toMatch(/ExceptionFormatterSpec\.js.*\d+/)
    });

    it("returns null if no Error provided", function() {
      expect(new jasmine.ExceptionFormatter().stack()).toBeNull();
    });
  });
});