Initial commit: Open sourcing all of the Maple Open Technologies code.

cloud/maplepress-backend/pkg/distributedmutex/distributedmutex_test.go

@@ -0,0 +1,70 @@
+package distributedmutex
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	"github.com/redis/go-redis/v9"
+	"go.uber.org/zap"
+)
+
+// mockRedisClient implements minimal required methods for testing
+type mockRedisClient struct {
+	redis.UniversalClient
+}
+
+func (m *mockRedisClient) Get(ctx context.Context, key string) *redis.StringCmd {
+	return redis.NewStringCmd(ctx)
+}
+
+func (m *mockRedisClient) Set(ctx context.Context, key string, value any, expiration time.Duration) *redis.StatusCmd {
+	return redis.NewStatusCmd(ctx)
+}
+
+func (m *mockRedisClient) Eval(ctx context.Context, script string, keys []string, args ...any) *redis.Cmd {
+	return redis.NewCmd(ctx)
+}
+
+func (m *mockRedisClient) EvalSha(ctx context.Context, sha string, keys []string, args ...any) *redis.Cmd {
+	return redis.NewCmd(ctx)
+}
+
+func (m *mockRedisClient) ScriptExists(ctx context.Context, scripts ...string) *redis.BoolSliceCmd {
+	return redis.NewBoolSliceCmd(ctx)
+}
+
+func (m *mockRedisClient) ScriptLoad(ctx context.Context, script string) *redis.StringCmd {
+	return redis.NewStringCmd(ctx)
+}
+
+func TestNewAdapter(t *testing.T) {
+	logger, _ := zap.NewDevelopment()
+	adapter := NewAdapter(logger, &mockRedisClient{})
+	if adapter == nil {
+		t.Fatal("expected non-nil adapter")
+	}
+}
+
+func TestAcquireAndRelease(t *testing.T) {
+	ctx := context.Background()
+	logger, _ := zap.NewDevelopment()
+	adapter := NewAdapter(logger, &mockRedisClient{})
+
+	// Test basic acquire/release
+	adapter.Acquire(ctx, "test-key")
+	adapter.Release(ctx, "test-key")
+
+	// Test formatted acquire/release
+	adapter.Acquiref(ctx, "test-key-%d", 1)
+	adapter.Releasef(ctx, "test-key-%d", 1)
+}
+
+func TestReleaseNonExistentLock(t *testing.T) {
+	ctx := context.Background()
+	logger, _ := zap.NewDevelopment()
+	adapter := NewAdapter(logger, &mockRedisClient{})
+
+	// This should not panic, just log a warning
+	adapter.Release(ctx, "non-existent-key")
+}