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package workflow
import "testing"
func getTestWorkflow() *Workflow {
w := NewWorkflow("initial")
w.AddTransition("From initial to A", []Place{"initial"}, "A")
w.AddTransition("From initial to B", []Place{"initial"}, "B")
w.AddTransition("From A to C", []Place{"A"}, "C")
w.AddTransition("From B,C to D", []Place{"B", "C"}, "D")
w.AddTransition("From C,D to Finish", []Place{"C", "D"}, "Finish")
return w
}
type testObject struct {
place Place
}
func (t *testObject) GetPlace() Place {
return t.place
}
func (t *testObject) SetPlace(p Place) error {
t.place = p
return nil
}
func TestWorkflow_Can(t *testing.T) {
o := new(testObject)
w := getTestWorkflow()
if err := w.Can(o, "From initial to A"); err != nil {
t.Error("Must has transition")
}
if err := w.Can(o, "From A to C"); err == nil {
t.Error("Must has no transition")
}
}
func TestWorkflow_GetEnabledTransitions(t *testing.T) {
w:=getTestWorkflow()
o := new(testObject)
if len(w.GetEnabledTransitions(o)) != 2 {
t.Error("Must be exactly 2 transitions from initial")
}
}
func TestWorkflow_Apply(t *testing.T) {
o := new(testObject)
w := getTestWorkflow()
if err := w.Apply(o, "From initial to A"); err != nil {
t.Error(err)
}
if o.GetPlace() != "A" {
t.Error("Must be at A place")
}
if err := w.Apply(o, "From B,C to D"); err != ErrCantApply {
t.Error("Must be cant move")
}
if err := w.Apply(o, "From A to D"); err != ErrTransitionNotFound {
t.Error("Must be transition not found")
}
if err := w.Apply(o, "From A to C"); err != nil {
t.Error(err)
}
if o.GetPlace() != "C" {
t.Error("Must be at C place")
}
}
func TestWorkflow_DumpToDot(t *testing.T) {
dump := getTestWorkflow().DumpToDot()
if len(dump) != 288 {
t.Error("Len must be 288")
}
}
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