f-21: test: add test for agent dispatcher

Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>

internal/dispatcher/agent/dispatcher_test.go

@@ -0,0 +1,63 @@
+package dispatcher
+
+import (
+	"errors"
+	"sync"
+	"testing"
+
+	configuration "git.g3e.fr/syonad/two/internal/config/agent"
+	"github.com/dgraph-io/badger/v4"
+)
+
+func TestDispatcher_Prepare_Success(t *testing.T) {
+	d, _ := newTestDispatcher(t)
+	cmd := mockCmd{
+		prepareFn: func(*badger.DB, *configuration.Config) error { return nil },
+		executeFn: func(*badger.DB, *configuration.Config) error { return nil },
+	}
+	if err := d.Prepare(cmd); err != nil {
+		t.Errorf("Prepare devrait retourner nil, obtenu : %v", err)
+	}
+}
+
+func TestDispatcher_Prepare_PropagatesError(t *testing.T) {
+	d, _ := newTestDispatcher(t)
+	want := errors.New("prepare failed")
+	cmd := mockCmd{
+		prepareFn: func(*badger.DB, *configuration.Config) error { return want },
+		executeFn: func(*badger.DB, *configuration.Config) error { return nil },
+	}
+	if err := d.Prepare(cmd); !errors.Is(err, want) {
+		t.Errorf("attendu %v, obtenu %v", want, err)
+	}
+}
+
+func TestDispatcher_Dispatch_ExecutesCommand(t *testing.T) {
+	d, _ := newTestDispatcher(t)
+	var wg sync.WaitGroup
+	wg.Add(1)
+	cmd := mockCmd{
+		prepareFn: func(*badger.DB, *configuration.Config) error { return nil },
+		executeFn: func(*badger.DB, *configuration.Config) error {
+			wg.Done()
+			return nil
+		},
+	}
+	d.Dispatch(cmd)
+	wg.Wait()
+}
+
+func TestDispatcher_Dispatch_ExecuteErrorLogged(t *testing.T) {
+	d, _ := newTestDispatcher(t)
+	var wg sync.WaitGroup
+	wg.Add(1)
+	cmd := mockCmd{
+		prepareFn: func(*badger.DB, *configuration.Config) error { return nil },
+		executeFn: func(*badger.DB, *configuration.Config) error {
+			defer wg.Done()
+			return errors.New("execute failed")
+		},
+	}
+	d.Dispatch(cmd)
+	wg.Wait() // Execute s'est terminé — l'erreur est loggée, pas propagée
+}