diff --git a/models/index_test.go b/models/index_test.go
new file mode 100644
index 0000000..1899986
--- /dev/null
+++ b/models/index_test.go
@@ -0,0 +1,109 @@
+package models_test
+
+import (
+	"testing"
+
+	"github.com/semafind/semadb/models"
+	"github.com/stretchr/testify/require"
+)
+
+func TestIndexSchema_Validate_Empty(t *testing.T) {
+	// These types require parameters to be provided
+	iTypes := []string{models.IndexTypeString, models.IndexTypeStringArray,
+		models.IndexTypeText, models.IndexTypeVectorFlat,
+		models.IndexTypeVectorVamana}
+	for _, iType := range iTypes {
+		schema := models.IndexSchema{
+			"prop": models.IndexSchemaValue{
+				Type: iType,
+				// We don't provide any parameters
+			},
+		}
+		err := schema.Validate()
+		// We should get an error
+		require.Error(t, err)
+	}
+}
+
+func TestIndexSchema_Validate_Haversine(t *testing.T) {
+	// The haversine distance requires a vector size of 2
+	iTypes := []string{models.IndexTypeVectorFlat, models.IndexTypeVectorVamana}
+	for _, iType := range iTypes {
+		schema := models.IndexSchema{
+			"prop": models.IndexSchemaValue{
+				Type: iType,
+				VectorFlat: &models.IndexVectorFlatParameters{
+					DistanceMetric: models.DistanceHaversine,
+					VectorSize:     1,
+				},
+				VectorVamana: &models.IndexVectorVamanaParameters{
+					DistanceMetric: models.DistanceHaversine,
+					VectorSize:     1,
+				},
+			},
+		}
+		err := schema.Validate()
+		require.Error(t, err)
+	}
+}
+
+func TestIndexSchema_CheckCompatibleMap(t *testing.T) {
+	// Check if the schema is compatible with a map
+	// ---------------------------
+	// Here is a kitchen sink schema
+	schema := models.IndexSchema{
+		"propVectorFlat": models.IndexSchemaValue{
+			Type: models.IndexTypeVectorFlat,
+			VectorFlat: &models.IndexVectorFlatParameters{
+				DistanceMetric: models.DistanceEuclidean,
+				VectorSize:     2,
+			},
+		},
+		"propVectorVamana": models.IndexSchemaValue{
+			Type: models.IndexTypeVectorVamana,
+			VectorVamana: &models.IndexVectorVamanaParameters{
+				DistanceMetric: models.DistanceEuclidean,
+				VectorSize:     2,
+			},
+		},
+		"propText": models.IndexSchemaValue{
+			Type: models.IndexTypeText,
+			Text: &models.IndexTextParameters{
+				Analyser: "standard",
+			},
+		},
+		"propString": models.IndexSchemaValue{
+			Type: models.IndexTypeString,
+			String: &models.IndexStringParameters{
+				CaseSensitive: false,
+			},
+		},
+		"propInteger": models.IndexSchemaValue{
+			Type: models.IndexTypeInteger,
+		},
+		"propFloat": models.IndexSchemaValue{
+			Type: models.IndexTypeFloat,
+		},
+		"propStringArray": models.IndexSchemaValue{
+			Type: models.IndexTypeStringArray,
+			StringArray: &models.IndexStringArrayParameters{
+				IndexStringParameters: models.IndexStringParameters{
+					CaseSensitive: false,
+				},
+			},
+		},
+	}
+	// ---------------------------
+	// Here is a matching map
+	m := models.PointAsMap{
+		"propVectorFlat":   []any{1.0, 2.0},
+		"propVectorVamana": []any{1.0, 2.0},
+		"propText":         "hello world",
+		"propString":       "hello",
+		"propInteger":      1,
+		"propFloat":        1.1,
+		"propStringArray":  []any{"hello", "world"},
+	}
+	err := schema.CheckCompatibleMap(m)
+	require.NoError(t, err)
+}