ES6 Workshop results

gistfile1.txt

C:\0>yarn test
yarn test v0.18.1
$ jest --config=exercises/jest.config.json
 FAIL  exercises\01_block-scoping.test.js
  ● can be used in place of `var`

    ReferenceError: bandName is not defined

      at Object.<anonymous>.test (exercises\01_block-scoping.test.js:5:10)

  ● can modify the value of a `let` variable

    ReferenceError: releaseName is not defined

      at Object.<anonymous>.test (exercises\01_block-scoping.test.js:12:10)

  ● cannot modify the value of a `const` variable

    expect(received).toEqual(expected)

    Expected value to equal:
      "ES6"
    Received:
      "ES2015"

      at Object.<anonymous>.test (exercises\01_block-scoping.test.js:20:23)

  ● is trapped inside of an `if` statement

    expect(function).toThrow(string)

    Expected the function to throw an error matching:
      "b is not defined"
    But it didn't throw anything.

      at Object.<anonymous>.test (exercises\01_block-scoping.test.js:28:25)

  ● can't redeclare using the same name

    expect(function).toThrow(string)

    Expected the function to throw an error matching:
      "i is not defined"
    But it didn't throw anything.

      at Object.<anonymous>.test (exercises\01_block-scoping.test.js:40:18)

  ● means that we can start using block statements

    expect(function).toThrow(string)

    Expected the function to throw an error matching:
      "d is not defined"
    But it didn't throw anything.

      at Object.<anonymous>.test (exercises\01_block-scoping.test.js:50:30)

 FAIL  exercises\05_modules.test.js
  ● can destructure the import, to only retain pieces of the import

    ReferenceError: mySqrt is not defined

      at Object.<anonymous>.test (exercises\05_modules.test.js:13:10)

  ● can import from my node_modules

    ReferenceError: _ is not defined

      at Object.<anonymous>.test (exercises\05_modules.test.js:21:10)

 FAIL  exercises\08_spread.test.js
  ● should be able to call a function and spread the arguments

    expect(received).toBe(expected)

    Expected value to be (using ===):
      1
    Received:
      0

      at Object.<anonymous>.test (exercises\08_spread.test.js:5:17)

  ● should be easier to concatenate arrays

    ReferenceError: result is not defined

      at Object.<anonymous>.test (exercises\08_spread.test.js:18:10)

  ● should be able to merge properties from objects

    ReferenceError: result is not defined

      at Object.<anonymous>.test (exercises\08_spread.test.js:27:10)

 FAIL  exercises\07_parameters.test.js
  ● can be triggered when the incoming argument is undefined

    expect(received).toBe(expected)

    Expected value to be (using ===):
      undefined
    Received:
      "Aaron"

    Difference:

    Comparing two different types of values:
      Expected: undefined
      Received: string

      at Object.<anonymous>.test (exercises\07_parameters.test.js:7:25)

  ● aren't included in arguments

    expect(received).toBe(expected)

    Expected value to be (using ===):
      undefined
    Received:
      1

    Difference:

    Comparing two different types of values:
      Expected: undefined
      Received: number

      at Object.<anonymous>.test (exercises\07_parameters.test.js:19:25)

  ● can trigger a function call

    expect(received).toBe(expected)

    Expected value to be (using ===):
      undefined
    Received:
      0

    Difference:

    Comparing two different types of values:
      Expected: undefined
      Received: number

      at Object.<anonymous>.test (exercises\07_parameters.test.js:36:24)

  ● catch non-specified params

    expect(received).toBe(expected)

    Expected value to be (using ===):
      undefined
    Received:
      0

    Difference:

    Comparing two different types of values:
      Expected: undefined
      Received: number

      at Object.<anonymous>.test (exercises\07_parameters.test.js:48:26)

  ● has a different length than `arguments`

    expect(received).toBe(expected)

    Expected value to be (using ===):
      undefined
    Received:
      true

    Difference:

    Comparing two different types of values:
      Expected: undefined
      Received: boolean

      at Object.<anonymous>.test (exercises\07_parameters.test.js:60:19)

  ● is an actual array, unlike arguments

    expect(received).toBe(expected)

    Expected value to be (using ===):
      undefined
    Received:
      false

    Difference:

    Comparing two different types of values:
      Expected: undefined
      Received: boolean

      at Object.<anonymous>.test (exercises\07_parameters.test.js:79:45)

  ● it can default all arguments, optionally

    expect(received).toBeDefined()

    Expected value to be defined, instead received
      undefined

      at myFunction (exercises\07_parameters.test.js:93:26)
      at Object.<anonymous>.test (exercises\07_parameters.test.js:97:3)

 FAIL  exercises\09_arrow.test.js
  ● can replace traditional functions

    TypeError: fnMultiply is not a function

      at Object.<anonymous>.test (exercises\09_arrow.test.js:8:10)

  ● binds `this` to the eval scope, not the runtime scope

    expect(function).not.toThrow()

    Expected the function not to throw an error.
    Instead, it threw:
      TypeError: Cannot read property 'name' of undefined
          at exercises\09_arrow.test.js:30:20
          at Array.map (native)
          at Object.greetFriends (exercises\09_arrow.test.js:29:22)
          at expect (exercises\09_arrow.test.js:36:23)
          at Object.<anonymous>.test (exercises\09_arrow.test.js:36:55)

      at Object.<anonymous>.test (exercises\09_arrow.test.js:36:55)

 FAIL  exercises\06_object-literal.test.js
  ● can use shorthand for property names

    TypeError: Cannot read property 'name' of undefined

      at Object.<anonymous>.test (exercises\06_object-literal.test.js:16:18)

 FAIL  exercises\03_new-apis.test.js
  ● should be easier to determine whether a string includes another

    ReferenceError: result is not defined

      at Object.<anonymous>.test (exercises\03_new-apis.test.js:4:10)

  ● should be easier to repeat a string

    ReferenceError: result is not defined

      at Object.<anonymous>.test (exercises\03_new-apis.test.js:10:10)

  ● should be able to take an array-like object and convert it into an array

    ReferenceError: result is not defined

      at Object.<anonymous>.test (exercises\03_new-apis.test.js:17:10)

  ● should be easier to fill an array with values

    ReferenceError: result is not defined

      at Object.<anonymous>.test (exercises\03_new-apis.test.js:23:10)

  ● should be easy to copy properties from one object to another

    ReferenceError: result is not defined

      at Object.<anonymous>.test (exercises\03_new-apis.test.js:55:10)

 FAIL  exercises\13_weakmap.test.js
  ● has a set method

    ReferenceError: myMap is not defined

      at Object.<anonymous>.test (exercises\13_weakmap.test.js:6:10)

  ● should enable private members in classes

    expect(received).toBeUndefined()

    Expected value to be undefined, instead received
      "Kent C. Dodds"

      at Object.<anonymous>.test (exercises\13_weakmap.test.js:27:24)

 FAIL  exercises\14_promises.test.js
  ● should resolve

    assert or throw here

      at pickApple.then.catch.error (exercises\14_promises.test.js:15:11)

  ● should reject

    assert or throw here

      at pickApple.then.catch.error (exercises\14_promises.test.js:33:11)

  ● errors can be caught

    assert or throw here

      at pickApple.then.catch.error (exercises\14_promises.test.js:47:11)

 FAIL  exercises\12_maps.test.js
  ● has a set method

    ReferenceError: myMap is not defined

      at Object.<anonymous>.test (exercises\12_maps.test.js:5:10)

  ● can use objects as a key

    ReferenceError: myMap is not defined

      at Object.<anonymous>.test (exercises\12_maps.test.js:15:10)

  ● doesn't coerce keys

    expect(received).toBe(expected)

    Expected value to be (using ===):
      undefined
    Received:
      "Aaron"

    Difference:

    Comparing two different types of values:
      Expected: undefined
      Received: string

      at Object.<anonymous>.test (exercises\12_maps.test.js:25:26)

 FAIL  exercises\15_async-await.test.js
  ● should work with resolved promises

    convert this to an async/await function and remove this error

      at exercises\15_async-await.test.js:6:11

  ● should throw an error with a rejected promise

    convert this to an async/await function and remove this error

      at exercises\15_async-await.test.js:13:11

 FAIL  exercises\04_destructure.test.js
  ● can be used to pull apart objects

    ReferenceError: city is not defined

      at Object.<anonymous>.test (exercises\04_destructure.test.js:8:10)

  ● sets missing values to undefined

    ReferenceError: address is not defined

      at Object.<anonymous>.test (exercises\04_destructure.test.js:15:10)

  ● can alias destructured variables

    ReferenceError: c is not defined

      at Object.<anonymous>.test (exercises\04_destructure.test.js:20:10)

  ● can destructure nested variables

    ReferenceError: lat is not defined

      at Object.<anonymous>.test (exercises\04_destructure.test.js:30:10)

  ● can be used to pull apart arrays

    ReferenceError: one is not defined

      at Object.<anonymous>.test (exercises\04_destructure.test.js:37:10)

  ● can skip indexes in arrays

    ReferenceError: one is not defined

      at Object.<anonymous>.test (exercises\04_destructure.test.js:43:10)

  ● can reach nested arrays

    ReferenceError: one is not defined

      at Object.<anonymous>.test (exercises\04_destructure.test.js:50:10)

 FAIL  exercises\19_symbols.test.js
  ● should ensure a variable is unique reference

    ReferenceError: SKY_COLOR_BLUE is not defined

      at Object.<anonymous>.test (exercises\19_symbols.test.js:19:10)

  ● should help determine if a singleton has already been declared

    ReferenceError: myRing is not defined

      at Object.<anonymous>.test (exercises\19_symbols.test.js:52:10)

 FAIL  exercises\02_template-literals.test.js
  ● should support string interpolation

    expect(received).toBe(expected)

    Expected value to be (using ===):
      "Kent C. Dodds has 6 friends: Brooke Dodds, Matt Zabriskie, Aaron Frost, Dave Geddes, Joe Eames, Ryan Florence"
    Received:
      ""

      at Object.<anonymous>.test (exercises\02_template-literals.test.js:15:26)

  ● should support multi-line strings

    expect(received).toBe(expected)

    Expected value to be (using ===):
      "
        How cool
        is this!?
      "
    Received:
      ""

      at Object.<anonymous>.test (exercises\02_template-literals.test.js:23:21)

  ● should support string escaping

    expect(received).toBe(expected)

    Expected value to be (using ===):
      "Hi
    there!"
    Received:
      ""

      at Object.<anonymous>.test (exercises\02_template-literals.test.js:28:14)

  ● should call the tagging function

    expect(received).toBe(expected)

    Expected value to be (using ===):
      "Hello super-cool World! Are you feeling really happy today?"
    Received:
      "fixme"

      at Object.<anonymous>.test (exercises\02_template-literals.test.js:37:18)

 FAIL  exercises\17_es2017.test.js
  ● String.prototype.padStart saves us from left-pad-gate

    expect(received).toBe(expected)

    Expected value to be (using ===):
      "    Worlds Finest"
    Received:
      "Worlds Finest"

      at Object.<anonymous>.test (exercises\17_es2017.test.js:7:18)

  ● String.prototype.padEnd (and padStart) can be given a string to pad with

    ReferenceError: result is not defined

      at Object.<anonymous>.test (exercises\17_es2017.test.js:13:10)

  ● Object.values gets just the values of an object

    ReferenceError: result is not defined

      at Object.<anonymous>.test (exercises\17_es2017.test.js:31:10)

  ● Object.entries gives an array of arrays as [key, value]

    ReferenceError: result is not defined

      at Object.<anonymous>.test (exercises\17_es2017.test.js:61:10)

  ● Trailing commas in function parameter lists and calls help us with git

    expect(function).not.toThrow()

    Expected the function not to throw an error.
    Instead, it threw:
      SyntaxError: unknown: Unexpected token, expected ) (19:15)
      17 |         a,
      18 |         b,
    > 19 |         ...rest,
         |                ^
      20 |       ) {
      21 |         log(a, b, ...rest)
      22 |       }
          at Parser.Object.<anonymous>.pp.raise (node_modules\babylon\lib\parser\location.js:22:13)
          at Parser.Object.<anonymous>.pp.unexpected (node_modules\babylon\lib\parser\util.js:97:8)
          at Parser.Object.<anonymous>.pp.expect (node_modules\babylon\lib\parser\util.js:85:33)
          at Parser.Object.<anonymous>.pp.parseBindingList (node_modules\babylon\lib\parser\lval.js:186:12)
          at Parser.Object.<anonymous>.pp.parseFunctionParams (node_modules\babylon\lib\parser\statement.js:643:22)
          at Parser.Object.<anonymous>.pp.parseFunction (node_modules\babylon\lib\parser\statement.js:633:8)
          at Parser.Object.<anonymous>.pp.parseFunctionStatement (node_modules\babylon\lib\parser\statement.js:303:15)
          at Parser.Object.<anonymous>.pp.parseStatement (node_modules\babylon\lib\parser\statement.js:89:19)
          at Parser.Object.<anonymous>.pp.parseBlockBody (node_modules\babylon\lib\parser\statement.js:516:21)
          at Parser.Object.<anonymous>.pp.parseTopLevel (node_modules\babylon\lib\parser\statement.js:28:8)

      at Object.<anonymous>.test (exercises\17_es2017.test.js:112:23)

 FAIL  exercises\11_set.test.js
  ● has an add method and a has method

    ReferenceError: mySet is not defined

      at Object.<anonymous>.test (exercises\11_set.test.js:5:10)

  ● doesn`t allow duplicates

    ReferenceError: mySet is not defined

      at Object.<anonymous>.test (exercises\11_set.test.js:15:10)

 FAIL  exercises\20_generators.test.js
  ● should yield objects with value and done properties

    expect(received).toBe(expected)

    Expected value to be (using ===):
      undefined
    Received:
      1

    Difference:

    Comparing two different types of values:
      Expected: undefined
      Received: number

      at Object.<anonymous>.test (exercises\20_generators.test.js:4:29)

  ● can be iterated over

    expect(received).toBe(expected)

    Expected value to be (using ===):
      undefined
    Received:
      20

    Difference:

    Comparing two different types of values:
      Expected: undefined
      Received: number

      at Object.<anonymous>.test (exercises\20_generators.test.js:36:15)

 FAIL  exercises\10_class.test.js
  ● has a constructor for initialization

    ReferenceError: Animal is not defined

      at Object.<anonymous>.test (exercises\10_class.test.js:6:22)

  ● constructor can have default param values

    ReferenceError: Animal is not defined

      at Object.<anonymous>.test (exercises\10_class.test.js:17:22)

  ● can have instance methods

    ReferenceError: Animal is not defined

      at Object.<anonymous>.test (exercises\10_class.test.js:27:22)

  ● can have static methods

    ReferenceError: Animal is not defined

      at Object.<anonymous>.test (exercises\10_class.test.js:39:22)

  ● can extend another class

    ReferenceError: Dog is not defined

      at Object.<anonymous>.test (exercises\10_class.test.js:50:19)

  ● can use property setters and getters

    ReferenceError: Animal is not defined

      at Object.<anonymous>.test (exercises\10_class.test.js:61:22)

 PASS  exercises\16_es2016.test.js
 PASS  exercises\18_public-class-fields.test.js

Test Suites: 18 failed, 2 passed, 20 total
Tests:       64 failed, 6 passed, 70 total
Snapshots:   0 total
Time:        1.82s
Ran all test suites.
error Command failed with exit code 1.

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