@coorpacademy/progression-engine/lib/rule-engine/test/apply-instructions.js

"use strict";

var _set2 = _interopRequireDefault(require("lodash/fp/set"));
var _pipe2 = _interopRequireDefault(require("lodash/fp/pipe"));
var _ava = _interopRequireDefault(require("ava"));
var _applyInstructions = _interopRequireDefault(require("../apply-instructions"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
(0, _ava.default)('should return new variables with instructions to set initial attributes', t => {
  const instructions = [{
    value: 0,
    type: 'set',
    field: 'A'
  }, {
    value: 3,
    type: 'set',
    field: 'lives'
  }, {
    value: 0,
    type: 'set',
    field: 'stars'
  }, {
    value: false,
    type: 'set',
    field: 'reverse'
  }];
  const expectedVariables = (0, _pipe2.default)((0, _set2.default)('lives', 3), (0, _set2.default)('stars', 0), (0, _set2.default)('variables.A', 0), (0, _set2.default)('variables.reverse', false))({
    variables: {}
  });
  const variables = (0, _applyInstructions.default)(instructions)({});
  t.deepEqual(expectedVariables, variables);
});
(0, _ava.default)('should return new variables with instructions to update attributes', t => {
  const instructions = [{
    value: 1,
    type: 'add',
    field: 'A'
  }, {
    value: 4,
    type: 'add',
    field: 'stars'
  }, {
    value: 'foo',
    type: 'add',
    field: 'B'
  }, {
    value: 'baz',
    type: 'add',
    field: 'C'
  }];
  const fromState = {
    lives: 4,
    stars: 4,
    variables: {
      A: 0,
      B: 0,
      C: 'bar',
      reverse: false
    }
  };
  const expectedVariables = (0, _pipe2.default)((0, _set2.default)('stars', 8), (0, _set2.default)('variables.A', 1), (0, _set2.default)('variables.B', 0), (0, _set2.default)('variables.C', 'barbaz'))(fromState);
  const variables = (0, _applyInstructions.default)(instructions)(fromState);
  t.deepEqual(expectedVariables, variables);
});
(0, _ava.default)('should return the same input when instructions type are not recognized', t => {
  const instructions = [{
    value: 1,
    type: 'foo',
    field: 'A'
  }, {
    value: 4,
    type: 'bar',
    field: 'stars'
  }];
  const fromState = {
    lives: 4,
    stars: 4,
    variables: {
      A: 0,
      reverse: false
    }
  };
  const variables = (0, _applyInstructions.default)(instructions)(fromState);
  t.deepEqual(fromState, variables);
});
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