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expectation.messagetype.commandcall_test.go
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expectation.messagetype.commandcall_test.go
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package testkit_test
import (
"context"
"github.com/dogmatiq/dogma"
. "github.com/dogmatiq/dogma/fixtures"
. "github.com/dogmatiq/enginekit/enginetest/stubs"
. "github.com/dogmatiq/testkit"
"github.com/dogmatiq/testkit/engine"
"github.com/dogmatiq/testkit/internal/testingmock"
g "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
)
var _ = g.Describe("func ToExecuteCommandType() (when used with the Call() action)", func() {
var (
testingT *testingmock.T
app dogma.Application
test *Test
)
g.BeforeEach(func() {
testingT = &testingmock.T{
FailSilently: true,
}
app = &ApplicationStub{
ConfigureFunc: func(c dogma.ApplicationConfigurer) {
c.Identity("<app>", "f38c3003-bbd0-4b4a-b1f8-6922e9545acd")
c.RegisterAggregate(&AggregateMessageHandlerStub{
ConfigureFunc: func(c dogma.AggregateConfigurer) {
c.Identity("<aggregate>", "5c44e153-9e42-4816-87b0-59b4b4943dc4")
c.Routes(
dogma.HandlesCommand[MessageR](), // R = record an event
dogma.HandlesCommand[*MessageR](), // pointer, used to test type similarity
dogma.HandlesCommand[MessageX](),
dogma.RecordsEvent[MessageN](),
)
},
RouteCommandToInstanceFunc: func(dogma.Command) string {
return "<instance>"
},
HandleCommandFunc: func(
_ dogma.AggregateRoot,
s dogma.AggregateCommandScope,
_ dogma.Command,
) {
s.RecordEvent(MessageN1)
},
})
c.RegisterProcess(&ProcessMessageHandlerStub{
ConfigureFunc: func(c dogma.ProcessConfigurer) {
c.Identity("<process>", "3994dd62-43f7-4569-813f-a616dc444486")
c.Routes(
dogma.HandlesEvent[MessageE](), // E = event
dogma.HandlesEvent[MessageN](), // N = (do) nothing
dogma.ExecutesCommand[MessageC](), // C = command
)
},
RouteEventToInstanceFunc: func(
context.Context,
dogma.Event,
) (string, bool, error) {
return "<instance>", true, nil
},
HandleEventFunc: func(
_ context.Context,
_ dogma.ProcessRoot,
s dogma.ProcessEventScope,
m dogma.Event,
) error {
if _, ok := m.(MessageE); ok {
s.ExecuteCommand(MessageC1)
}
return nil
},
})
},
}
})
executeCommandViaExecutor := func(m dogma.Command) Action {
return Call(func() {
err := test.CommandExecutor().ExecuteCommand(context.Background(), m)
Expect(err).ShouldNot(HaveOccurred())
})
}
g.DescribeTable(
"expectation behavior",
func(
a Action,
e Expectation,
ok bool,
rm reportMatcher,
options ...TestOption,
) {
test = Begin(testingT, app, options...)
test.Expect(a, e)
rm(testingT)
Expect(testingT.Failed()).To(Equal(!ok))
},
g.Entry(
"command type executed as expected",
executeCommandViaExecutor(MessageR1),
ToExecuteCommandType[MessageR](),
expectPass,
expectReport(
`✓ execute any 'fixtures.MessageR' command`,
),
),
g.Entry(
"no messages produced at all",
Call(func() {}),
ToExecuteCommandType[MessageC](),
expectFail,
expectReport(
`✗ execute any 'fixtures.MessageC' command`,
``,
` | EXPLANATION`,
` | no messages were produced at all`,
` | `,
` | SUGGESTIONS`,
` | • verify the logic within the code that uses the dogma.CommandExecutor`,
),
),
g.Entry(
"no matching command type executed and all relevant handler types disabled",
executeCommandViaExecutor(MessageR1),
ToExecuteCommandType[MessageC](),
expectFail,
expectReport(
`✗ execute any 'fixtures.MessageC' command`,
``,
` | EXPLANATION`,
` | nothing executed a matching command`,
` | `,
` | SUGGESTIONS`,
` | • enable process handlers using the EnableHandlerType() option`,
` | • verify the logic within the code that uses the dogma.CommandExecutor`,
),
WithUnsafeOperationOptions(
engine.EnableProcesses(false),
),
),
g.Entry(
"command of a similar type executed",
executeCommandViaExecutor(MessageR1),
ToExecuteCommandType[*MessageR](), // note: message type is pointer
expectFail,
expectReport(
`✗ execute any '*fixtures.MessageR' command`,
``,
` | EXPLANATION`,
` | a command of a similar type was executed via a dogma.CommandExecutor`,
` | `,
` | SUGGESTIONS`,
` | • check the message type, should it be a pointer?`,
` | `,
` | MESSAGE TYPE DIFF`,
` | [-*-]fixtures.MessageR`,
),
),
)
})