Golang WorkUnit.Data方法代码示例

// TestWorkUnitData validates that the system can store and update
// data.
func (s *Suite) TestWorkUnitData(c *check.C) {
	var (
		data map[string]interface{}
		unit coordinate.WorkUnit
	)
	spec, err := s.Namespace.SetWorkSpec(map[string]interface{}{
		"name":   "spec",
		"min_gb": 1,
	})
	c.Assert(err, check.IsNil)

	_, err = spec.AddWorkUnit("a", map[string]interface{}{
		"name":  "a",
		"value": 1,
	}, 0.0)
	c.Assert(err, check.IsNil)

	_, err = spec.AddWorkUnit("b", map[string]interface{}{
		"name":  "b",
		"value": 2,
	}, 0.0)
	c.Assert(err, check.IsNil)

	unit, err = spec.WorkUnit("a")
	c.Assert(err, check.IsNil)
	data, err = unit.Data()
	c.Assert(err, check.IsNil)
	c.Check(data, check.HasLen, 2)
	c.Check(data["name"], check.Equals, "a")
	c.Check(data["value"], Like, 1)

	unit, err = spec.WorkUnit("b")
	c.Assert(err, check.IsNil)
	data, err = unit.Data()
	c.Assert(err, check.IsNil)
	c.Check(data, check.HasLen, 2)
	c.Check(data["name"], check.Equals, "b")
	c.Check(data["value"], Like, 2)
}

// TestChainingMixed uses a combination of strings and tuples in its
// "output" data.
func (s *Suite) TestChainingMixed(c *check.C) {
	var (
		one, two coordinate.WorkSpec
		worker   coordinate.Worker
		attempts []coordinate.Attempt
		units    map[string]coordinate.WorkUnit
		unit     coordinate.WorkUnit
		data     map[string]interface{}
		priority float64
		ok       bool
		err      error
	)

	one, err = s.Namespace.SetWorkSpec(map[string]interface{}{
		"name": "one",
		"then": "two",
	})
	c.Assert(err, check.IsNil)

	two, err = s.Namespace.SetWorkSpec(map[string]interface{}{
		"name": "two",
	})
	c.Assert(err, check.IsNil)

	worker, err = s.Namespace.Worker("worker")
	c.Assert(err, check.IsNil)

	_, err = one.AddWorkUnit("a", map[string]interface{}{}, 0.0)
	c.Assert(err, check.IsNil)

	attempts, err = worker.RequestAttempts(coordinate.AttemptRequest{})
	c.Assert(err, check.IsNil)
	c.Assert(attempts, check.HasLen, 1)

	err = attempts[0].Finish(map[string]interface{}{
		"output": []interface{}{
			"key",
			cborrpc.PythonTuple{Items: []interface{}{
				"key",
				map[string]interface{}{
					"data": "x",
				},
				map[string]interface{}{
					"priority": 10.0,
				},
			}},
		},
	})
	c.Assert(err, check.IsNil)

	units, err = two.WorkUnits(coordinate.WorkUnitQuery{})
	c.Assert(err, check.IsNil)
	c.Check(units, HasKeys, []string{"key"})
	if unit, ok = units["key"]; ok {
		data, err = unit.Data()
		c.Assert(err, check.IsNil)
		c.Check(data, check.DeepEquals, map[string]interface{}{"data": "x"})

		priority, err = unit.Priority()
		c.Assert(err, check.IsNil)
		c.Check(priority, check.Equals, 10.0)
	}
}

// TestChainingTwoStep separately renews an attempt to insert an output
// key, then finishes the work unit; it should still chain.
func (s *Suite) TestChainingTwoStep(c *check.C) {
	var (
		one, two coordinate.WorkSpec
		worker   coordinate.Worker
		attempts []coordinate.Attempt
		units    map[string]coordinate.WorkUnit
		unit     coordinate.WorkUnit
		data     map[string]interface{}
		priority float64
		ok       bool
		err      error
	)

	one, err = s.Namespace.SetWorkSpec(map[string]interface{}{
		"name": "one",
		"then": "two",
	})
	c.Assert(err, check.IsNil)

	two, err = s.Namespace.SetWorkSpec(map[string]interface{}{
		"name": "two",
	})
	c.Assert(err, check.IsNil)

	worker, err = s.Namespace.Worker("worker")
	c.Assert(err, check.IsNil)

	_, err = one.AddWorkUnit("a", map[string]interface{}{}, 0.0)
	c.Assert(err, check.IsNil)

	attempts, err = worker.RequestAttempts(coordinate.AttemptRequest{})
	c.Assert(err, check.IsNil)
	c.Assert(attempts, check.HasLen, 1)

	err = attempts[0].Renew(time.Duration(900)*time.Second,
		map[string]interface{}{
			"output": []interface{}{
				[]byte{1, 2, 3, 4},
				cborrpc.PythonTuple{Items: []interface{}{
					[]byte{1, 2, 3, 4},
					map[interface{}]interface{}{},
					map[interface{}]interface{}{
						"priority": 0,
					},
				}},
			},
		})
	c.Assert(err, check.IsNil)

	err = attempts[0].Finish(nil)

	units, err = two.WorkUnits(coordinate.WorkUnitQuery{})
	c.Assert(err, check.IsNil)
	c.Check(units, HasKeys, []string{"\x01\x02\x03\x04"})
	if unit, ok = units["\x01\x02\x03\x04"]; ok {
		data, err = unit.Data()
		c.Assert(err, check.IsNil)
		c.Check(data, check.DeepEquals, map[string]interface{}{})

		priority, err = unit.Priority()
		c.Assert(err, check.IsNil)
		c.Check(priority, check.Equals, 0.0)
	}
}

// TestAttemptLifetime validates a basic attempt lifetime.
func (s *Suite) TestAttemptLifetime(c *check.C) {
	var (
		err               error
		data              map[string]interface{}
		attempt, attempt2 coordinate.Attempt
		aStatus           coordinate.AttemptStatus
		spec              coordinate.WorkSpec
		unit              coordinate.WorkUnit
		worker            coordinate.Worker
		uStatus           coordinate.WorkUnitStatus
	)
	spec, worker = s.makeWorkSpecAndWorker(c)

	// Create a work unit
	unit, err = spec.AddWorkUnit("a", map[string]interface{}{}, 0.0)
	c.Assert(err, check.IsNil)

	// The work unit should be "available"
	uStatus, err = unit.Status()
	c.Assert(err, check.IsNil)
	c.Check(uStatus, check.Equals, coordinate.AvailableUnit)

	// The work unit data should be defined but empty
	data, err = unit.Data()
	c.Assert(err, check.IsNil)
	c.Check(data, check.HasLen, 0)

	// Get an attempt for it
	attempts, err := worker.RequestAttempts(coordinate.AttemptRequest{})
	c.Assert(err, check.IsNil)
	c.Assert(attempts, check.HasLen, 1)
	attempt = attempts[0]

	// The work unit should be "pending"
	uStatus, err = unit.Status()
	c.Assert(err, check.IsNil)
	c.Check(uStatus, check.Equals, coordinate.PendingUnit)

	// The attempt should be "pending" too
	aStatus, err = attempt.Status()
	c.Assert(err, check.IsNil)
	c.Check(aStatus, check.Equals, coordinate.Pending)

	// The active attempt for the unit should match this
	attempt2, err = unit.ActiveAttempt()
	c.Assert(err, check.IsNil)
	c.Check(attempt2, AttemptMatches, attempt)

	// There should be one active attempt for the worker and it should
	// also match
	attempts, err = worker.ActiveAttempts()
	c.Assert(err, check.IsNil)
	c.Check(attempts, check.HasLen, 1)
	if len(attempts) > 0 {
		c.Check(attempts[0], AttemptMatches, attempt)
	}

	// The work unit data should (still) be defined but empty
	data, err = unit.Data()
	c.Assert(err, check.IsNil)
	c.Check(data, check.HasLen, 0)

	// Now finish the attempt with some updated data
	err = attempt.Finish(map[string]interface{}{
		"outputs": []string{"yes"},
	})
	c.Assert(err, check.IsNil)

	// The unit should report "finished"
	uStatus, err = unit.Status()
	c.Assert(err, check.IsNil)
	c.Check(uStatus, check.Equals, coordinate.FinishedUnit)

	// The attempt should report "finished"
	aStatus, err = attempt.Status()
	c.Assert(err, check.IsNil)
	c.Check(aStatus, check.Equals, coordinate.Finished)

	// The attempt should still be the active attempt for the unit
	attempt2, err = unit.ActiveAttempt()
	c.Assert(err, check.IsNil)
	c.Check(attempt2, AttemptMatches, attempt)

	// The attempt should not be in the active attempt list for the worker
	attempts, err = worker.ActiveAttempts()
	c.Assert(err, check.IsNil)
	c.Check(attempts, check.HasLen, 0)

	// Both the unit and the worker should have one archived attempt
	attempts, err = unit.Attempts()
	c.Assert(err, check.IsNil)
	c.Check(attempts, check.HasLen, 1)
	if len(attempts) > 0 {
		c.Check(attempts[0], AttemptMatches, attempt)
	}

	attempts, err = worker.AllAttempts()
	c.Assert(err, check.IsNil)
	c.Check(attempts, check.HasLen, 1)
//.........这里部分代码省略.........