testdsl

package

v0.6.0 Latest Latest Go to latest Published: Apr 3, 2023 License: MIT Imports: 3 Imported by: 0

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type AggregateTester func(given GivenFn, when WhenFn, then ThenFn)

AggregateTester defines an aggregate tester.

func Test(t *testing.T) AggregateTester

Test runs the test.

Example:

 Test(t)(
	  Given(agg),
	  When(testdata.TestCommand{Param: "param"}),
	  Then(testdata.TestEvent{Data: "param"}),
 )

type Checker func(got []cqrs.DomainEvent, err error)

Checker asserts the given results.

type GivenFn func() (cqrs.ESAggregate, []cqrs.DomainEvent)

GivenFn is a test init function.

func Given(agg cqrs.ESAggregate, events ...cqrs.DomainEvent) GivenFn

Given prepares the given aggregate for testing.

type ThenFn func(t *testing.T) Checker

ThenFn prepares the Checker.

func Then(want ...cqrs.DomainEvent) ThenFn

Then asserts that the expected events are applied.

func ThenFailWith(want error) ThenFn

ThenFailWith asserts that the expected error occurred.

type WhenFn func(agg cqrs.ESAggregate, err error) ([]cqrs.DomainEvent, error)

WhenFn is a command handler function.

func When(c cqrs.Command) WhenFn

When prepares the command handler for the given command.