// WhenErrorCoverage provides coverage for the When function.
func (t *RSuite) WhenErrorCoverage() async.R {
expected := fmt.Errorf("some error")
w := async.When(async.Done(), func() async.R {
r, s := async.NewR()
s.Fail(expected)
return r
})
w1 := async.When(w, func(_ interface{}, err error) async.R {
if err != expected {
return async.NewErrorf("Expected executed w. Got: %v, Want: %v", err, expected)
}
return w
})
w2 := async.When(w1, func(interface{}) async.R {
return async.NewErrorf("Expected not executed w1")
})
w3 := async.When(w2, func(_ interface{}, err error) async.R {
if err != expected {
return async.NewErrorf("Expected executed w. Got: %v, Want: %v", err, expected)
}
return w2
})
w4 := async.When(w3, func() async.R {
return async.NewErrorf("Expected not executed w3")
})
return async.When(w4, func(_ interface{}, err error) async.R {
if err != expected {
return async.NewErrorf("Expected executed w. Got: %v, Want: %v", err, expected)
}
return async.Done()
})
}
// NewErrorfCoverage provides coverage for the NewErrorf function.
func (t *RSuite) NewErrorfCoverage() async.R {
expected := fmt.Errorf("some error")
r := async.NewErrorf("%v", expected)
return async.When(r, func(val interface{}, err error) async.R {
if err.Error() != expected.Error() {
return async.NewErrorf("Expected error. Got: %v, Want: %v", err, expected)
}
return async.Done()
})
}
// WhenCoverage provides coverage for the When function.
func (t *RSuite) WhenCoverage() async.R {
w := async.When(async.Done(), func(val interface{}, err error) async.R {
r, s := async.NewR()
s.Complete()
return r
})
// Verify full signature.
expected := interface{}(nil)
w1 := async.When(w, func(val interface{}, err error) async.R {
if err != nil {
return async.NewErrorf("Expected success w1. Got: %v, Want: nil", err)
}
if val != expected {
return async.NewErrorf("Expected value w1. Got: %v, Want: %v", val, expected)
}
return w
})
// Verify just error.
w2 := async.When(w1, func(err error) async.R {
if err != nil {
return async.NewErrorf("Expected success w2. Got: %v, Want: nil", err)
}
return w1
})
// Verify just value.
w3 := async.When(w2, func(val interface{}) async.R {
if val != expected {
return async.NewErrorf("Expected value w3. Got: %v, Want: %v", val, expected)
}
return w2
})
// Verify neither value nor error.
didRun := false
w4 := async.When(w3, func() async.R {
didRun = true
return w3
})
return async.When(w4, func() async.R {
if !didRun {
return async.NewErrorf("Expected executed w4. Got: %v, Want: true", didRun)
}
return w4
})
}
// WhenErrorReturnCoverage provides coverage for the When function.
func (t *RSuite) WhenErrorReturnCoverage() async.R {
expected := fmt.Errorf("some error")
w := async.When(async.Done(), func() async.R {
r, s := async.NewR()
s.Fail(expected)
return r
})
w1 := async.When(w, func(err error) (interface{}, error) {
if err != expected {
return nil, fmt.Errorf("Expected executed w. Got: %v, Want: %v", err, expected)
}
return nil, err
})
w2 := async.When(w1, func(err error) error {
if err != expected {
return fmt.Errorf("Expected executed w1. Got: %v, Want: %v", err, expected)
}
return err
})
return async.When(w2, func(err error) async.R {
if err != expected {
return async.NewErrorf("Expected executed w2. Got: %v, Want: %v", err, expected)
}
return async.Done()
})
}
// NewErrorfCoverage tests Runner.Errorf().
func (t *TurnRunnerSuite) NewErrorfCoverage() async.R {
e := async.NewErrorf("some %s %d", "error", 1)
return async.When(e, func(err error) error {
if err.Error() != "some error 1" {
return fmt.Errorf("Got: %v, Want: %v", err, "some error 1")
}
return nil
})
}
// NewCoverage provides coverage for the New function.
func (t *RSuite) NewCoverage() async.R {
r, s := async.NewR()
s.Complete()
return async.When(r, func(val interface{}, err error) async.R {
if err != nil {
return async.NewErrorf("Expected successful completion. Got: %v, Want: nil", err)
}
return async.Done()
})
}
// FinallyCoverage provides coverage for the Finally function.
func (t *RSuite) FinallyCoverage() async.R {
expected := fmt.Errorf("some error")
didRun := false
r, s := async.NewR()
s.Fail(expected)
w := async.Finally(r, func() {
didRun = true
})
// Verify that the value was round-tripped.
return async.When(w, func(val interface{}, err error) async.R {
if !didRun {
return async.NewErrorf("Expected finally to run. Got: false, Want: true")
}
if err != expected {
return async.NewErrorf("Expected error. Got: %v, Want: %v", err, expected)
}
if val != nil {
return async.NewErrorf("Expected error. Got: %v, Want: nil", val)
}
return async.Done()
})
}