cloudfunctions/SegmentPortraitPic/node_modules/retry/test/integration/test-retry-operation.js

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var common = require('../common');
var assert = common.assert;
var fake = common.fake.create();
var retry = require(common.dir.lib + '/retry');

(function testReset() {
  var error = new Error('some error');
  var operation = retry.operation([1, 2, 3]);
  var attempts = 0;

  var finalCallback = fake.callback('finalCallback');
  fake.expectAnytime(finalCallback);

  var expectedFinishes = 1;
  var finishes         = 0;

  var fn = function() {
    operation.attempt(function(currentAttempt) {
      attempts++;
      assert.equal(currentAttempt, attempts);
      if (operation.retry(error)) {
        return;
      }

      finishes++
      assert.equal(expectedFinishes, finishes);
      assert.strictEqual(attempts, 4);
      assert.strictEqual(operation.attempts(), attempts);
      assert.strictEqual(operation.mainError(), error);

      if (finishes < 2) {
        attempts = 0;
        expectedFinishes++;
        operation.reset();
        fn()
      } else {
        finalCallback();
      }
    });
  };

  fn();
})();

(function testErrors() {
  var operation = retry.operation();

  var error = new Error('some error');
  var error2 = new Error('some other error');
  operation._errors.push(error);
  operation._errors.push(error2);

  assert.deepEqual(operation.errors(), [error, error2]);
})();

(function testMainErrorReturnsMostFrequentError() {
  var operation = retry.operation();
  var error = new Error('some error');
  var error2 = new Error('some other error');