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|
package lib
import (
"encoding/json"
"errors"
"net/http"
"net/http/httptest"
"os"
"testing"
)
func setupConfigCreators() {
resetConfigCreators()
_ = RegisterInputConfigCreator("stubinput", func(a Action, data json.RawMessage) (InputConverter, error) {
return mockInputConverter{typ: "stubinput", action: a}, nil
})
_ = RegisterOutputConfigCreator("stuboutput", func(a Action, data json.RawMessage) (OutputConverter, error) {
return mockOutputConverter{typ: "stuboutput", action: a}, nil
})
}
func TestInitConfigFromBytes(t *testing.T) {
setupConfigCreators()
inst, _ := NewInstance()
content := []byte(`
{
// comment
"input": [
{"type": "stubinput", "action": "add", "args": {}},
],
"output": [
{"type": "stuboutput", "args": {}},
],
}
`)
if err := inst.InitConfigFromBytes(content); err != nil {
t.Fatalf("InitConfigFromBytes() error = %v", err)
}
if len(inst.(*instance).input) != 1 || len(inst.(*instance).output) != 1 {
t.Fatalf("expected converters to be loaded")
}
if err := inst.InitConfigFromBytes([]byte(`{`)); err == nil {
t.Fatalf("expected JSON error")
}
}
func TestInitConfigLocalAndRemote(t *testing.T) {
setupConfigCreators()
inst, _ := NewInstance()
data := `{"input":[{"type":"stubinput","action":"add","args":{}}],"output":[{"type":"stuboutput","args":{}}]}`
tmp, err := os.CreateTemp("", "config*.json")
if err != nil {
t.Fatalf("CreateTemp error: %v", err)
}
defer os.Remove(tmp.Name())
if _, err := tmp.WriteString(data); err != nil {
t.Fatalf("write temp file error: %v", err)
}
tmp.Close()
if err := inst.InitConfig(tmp.Name()); err != nil {
t.Fatalf("InitConfig(local) error = %v", err)
}
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
_, _ = w.Write([]byte(data))
}))
defer server.Close()
if err := inst.InitConfig(server.URL); err != nil {
t.Fatalf("InitConfig(remote) error = %v", err)
}
if err := inst.InitConfig("non-existent.json"); err == nil {
t.Fatalf("expected error for missing file")
}
errorServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusInternalServerError)
}))
defer errorServer.Close()
if err := inst.InitConfig(errorServer.URL); err == nil {
t.Fatalf("expected error for remote failure")
}
}
func TestInstanceRun(t *testing.T) {
inst, _ := NewInstance()
if err := inst.Run(); err == nil {
t.Fatalf("expected error when no input/output configured")
}
inputErr := errors.New("input fail")
inst.AddInput(mockInputConverter{inputFn: func(c Container) (Container, error) {
return c, inputErr
}})
inst.AddOutput(mockOutputConverter{})
if err := inst.Run(); !errors.Is(err, inputErr) {
t.Fatalf("expected input error, got %v", err)
}
inst.ResetInput()
inst.ResetOutput()
outputErr := errors.New("output fail")
inst.AddInput(mockInputConverter{inputFn: func(c Container) (Container, error) {
return c, nil
}})
inst.AddOutput(mockOutputConverter{outFn: func(c Container) error {
return outputErr
}})
if err := inst.Run(); !errors.Is(err, outputErr) {
t.Fatalf("expected output error, got %v", err)
}
inst.ResetInput()
inst.ResetOutput()
inputCalled := false
outputCalled := false
inst.AddInput(mockInputConverter{inputFn: func(c Container) (Container, error) {
inputCalled = true
return c, nil
}})
inst.AddOutput(mockOutputConverter{outFn: func(c Container) error {
outputCalled = true
return nil
}})
if err := inst.Run(); err != nil {
t.Fatalf("Run() error = %v", err)
}
if !inputCalled || !outputCalled {
t.Fatalf("expected both input and output to be called")
}
}
|
