Fails if invalid custom types are specified

internal/loader.go

@@ -137,6 +137,16 @@ func (tl *TypeLoader) LoadTable(args *ArgType) (map[string]*Type, error) {
 		tableMap[ti.TableName] = typeTpl
 	}
 
+	// validate custom type tables
+	if tl.CustomTypes != nil {
+		for _, customTable := range tl.CustomTypes.Tables {
+			_, ok := tableMap[customTable.Name]
+			if !ok {
+				return nil, fmt.Errorf("unknown custom type table: %s", customTable.Name)
+			}
+		}
+	}
+
 	return tableMap, nil
 }
 
@@ -197,6 +207,21 @@ func (tl *TypeLoader) LoadColumns(args *ArgType, typeTpl *Type) error {
 	}
 
 	columnTypes := tl.tableCustomTypes(typeTpl.Table.TableName)
+
+	// validate custom type columns
+	if columnTypes != nil {
+		columnSet := map[string]bool{}
+		for _, column := range columnList {
+			columnSet[column.ColumnName] = true
+		}
+
+		for k, _ := range columnTypes {
+			if _, ok := columnSet[k]; !ok {
+				return fmt.Errorf("unknown custom type column %s in the table %s", k, typeTpl.Table.TableName)
+			}
+		}
+	}
+
 	// process columns
 	for _, c := range columnList {
 		ignore := false

test/testdata/custom_column_types.yml

@@ -26,5 +26,5 @@ tables:
   - name: "FullTypes"
     columns:
       FTInt: "int32"
-      FTInitNull: "uint64"
+      FTIntNull: "uint64"
       FTFloat: "float32"

v2/loader/loader.go

@@ -164,6 +164,14 @@ func (tl *TypeLoader) LoadTable() (map[string]*models.Type, error) {
 		tableMap[ti.TableName] = typeTpl
 	}
 
+	// validate custom type tables
+	for _, customTable := range tl.config.Tables {
+		_, ok := tableMap[customTable.Name]
+		if !ok {
+			return nil, fmt.Errorf("unknown custom type table %s", customTable.Name)
+		}
+	}
+
 	return tableMap, nil
 }
 
@@ -225,6 +233,21 @@ func (tl *TypeLoader) LoadColumns(typeTpl *models.Type) error {
 	}
 
 	columnTypes := tl.tableCustomTypes(typeTpl.TableName)
+
+	// validate custom type columns
+	if columnTypes != nil {
+		columnSet := map[string]bool{}
+		for _, column := range columnList {
+			columnSet[column.ColumnName] = true
+		}
+
+		for k, _ := range columnTypes {
+			if _, ok := columnSet[k]; !ok {
+				return fmt.Errorf("unknown custom type column %s in the table %s", k, typeTpl.TableName)
+			}
+		}
+	}
+
 	// process columns
 	for _, c := range columnList {
 		ignore := false

v2/loader/loader_test.go

@@ -26,6 +26,7 @@ import (
 
 	"github.com/google/go-cmp/cmp"
 	"github.com/google/go-cmp/cmp/cmpopts"
+	"go.mercari.io/yo/v2/config"
 	"go.mercari.io/yo/v2/internal"
 	"go.mercari.io/yo/v2/models"
 )
@@ -78,8 +79,6 @@ ALTER TABLE Foo ADD CONSTRAINT FK_CustomerOrder FOREIGN KEY (CustomerID) REFEREN
 )
 
 func TestLoader(t *testing.T) {
-	dir := t.TempDir()
-
 	table := []struct {
 		name           string
 		opt            Option
@@ -345,51 +344,158 @@ func TestLoader(t *testing.T) {
 
 	for _, tc := range table {
 		t.Run(tc.name, func(t *testing.T) {
-			f, err := ioutil.TempFile(dir, "")
-			if err != nil {
-				t.Fatalf("failed to create temp file: %v", err)
-			}
-			_, _ = f.Write([]byte(tc.schema))
-			_ = f.Close()
-			path := f.Name()
+			l := setUpTypeLoader(t, tc.schema, tc.opt)
 
-			source, err := NewSchemaParserSource(path)
+			schema, err := l.LoadSchema()
 			if err != nil {
-				t.Fatalf("failed to create schema parser source: %v", err)
+				t.Fatalf("failed to load schema: %v", err)
 			}
 
-			inflector, err := internal.NewInflector(nil)
-			if err != nil {
-				t.Fatalf("failed to create inflector: %v", err)
-			}
+			compareSchemas(t, schema, tc.expectedSchema)
+		})
+	}
+}
+
+func TestLoader_CustomTypes(t *testing.T) {
+	table := []struct {
+		name           string
+		opt            Option
+		schema         string
+		expectedSchema *models.Schema
+		expectedErr    string
+	}{
+		{
+			name: "Custom type table does not exist",
+			opt: Option{
+				Config: &config.Config{
+					Tables: []config.Table{
+						{
+							Name: "UnknownTable",
+						},
+					},
+				},
+			},
+			schema:      simpleSchema,
+			expectedErr: "unknown custom type table UnknownTable",
+		},
+		{
+			name: "Custom type column does not exist",
+			opt: Option{
+				Config: &config.Config{
+					Tables: []config.Table{
+						{
+							Name: "Simple",
+							Columns: []config.Column{
+								{
+									Name:       "UnknownColumn",
+									CustomType: "UnknownCustomColumn",
+								},
+							},
+						},
+					},
+				},
+			},
+			schema:      simpleSchema,
+			expectedErr: "unknown custom type column UnknownColumn in the table Simple",
+		},
+		{
+			name: "Success",
+			opt: Option{
+				Config: &config.Config{
+					Tables: []config.Table{
+						{
+							Name: "Simple",
+							Columns: []config.Column{
+								{
+									Name:       "Value",
+									CustomType: "Value",
+								},
+							},
+						},
+					},
+				},
+			},
+			schema: simpleSchema,
+			expectedSchema: &models.Schema{
+				Types: []*models.Type{
+					{
+						Name: "Simple",
+						PrimaryKeyFields: []*models.Field{
+							{ColumnName: "Id"},
+						},
+						Fields: []*models.Field{
+							{
+								Name:            "ID",
+								Type:            "int64",
+								OriginalType:    "int64",
+								NullValue:       "0",
+								Len:             -1,
+								ColumnName:      "Id",
+								SpannerDataType: "INT64",
+								IsNotNull:       true,
+								IsPrimaryKey:    true,
+							},
+							{
+								Name:            "Value",
+								Type:            "Value",
+								OriginalType:    "string",
+								NullValue:       `""`,
+								Len:             32,
+								ColumnName:      "Value",
+								SpannerDataType: "STRING(32)",
+								IsNotNull:       true,
+								IsPrimaryKey:    false,
+							},
+						},
+						TableName: "Simple",
+						Indexes: []*models.Index{
+							{
+								Name:           "SimpleIndex",
+								FuncName:       "SimplesBySimpleIndex",
+								LegacyFuncName: "SimplesByValue",
+								Fields: []*models.Field{
+									{ColumnName: "Value"},
+								},
+								IndexName: "SimpleIndex",
+							},
+							{
+								Name:           "SimpleIndex2",
+								FuncName:       "SimpleBySimpleIndex2",
+								LegacyFuncName: "SimpleByIDValue",
+								Fields: []*models.Field{
+									{ColumnName: "Id"},
+									{ColumnName: "Value"},
+								},
+								IndexName: "SimpleIndex2",
+								IsUnique:  true,
+							},
+						},
+					},
+				},
+			},
+		},
+	}
+
+	for _, tc := range table {
+		t.Run(tc.name, func(t *testing.T) {
+			l := setUpTypeLoader(t, tc.schema, tc.opt)
 
-			l := NewTypeLoader(source, inflector, tc.opt)
 			schema, err := l.LoadSchema()
-			if err != nil {
-				t.Fatalf("failed to load schema: %v", err)
-			}
 
-			if diff := cmp.Diff(schema, tc.expectedSchema,
-				cmp.Transformer("FilterInTypePrimaryKeyFields", func(in *models.Type) *models.Type {
-					if in == nil {
-						return in
-					}
-					for i := range in.PrimaryKeyFields {
-						f := in.PrimaryKeyFields[i]
-						in.PrimaryKeyFields[i] = &models.Field{ColumnName: f.ColumnName}
-					}
-					return in
-				}),
-				cmp.Transformer("FilterInIndexFields", func(in *models.Index) *models.Index {
-					for i := range in.Fields {
-						f := in.Fields[i]
-						in.Fields[i] = &models.Field{ColumnName: f.ColumnName}
-					}
-					return in
-				}),
-				cmpopts.IgnoreFields(models.Index{}, "Type"),
-			); diff != "" {
-				t.Errorf("(-got, +want)\n%s", diff)
+			if tc.expectedErr != "" {
+				if err == nil {
+					t.Fatal("expected to load schema failure")
+				}
+
+				if err.Error() != tc.expectedErr {
+					t.Fatalf("unexpected error: expected: %s, actual: %s", tc.expectedErr, err.Error())
+				}
+			} else {
+				if err != nil {
+					t.Fatalf("failed to load schema: %v", err)
+				}
+
+				compareSchemas(t, schema, tc.expectedSchema)
 			}
 		})
 	}
@@ -506,3 +612,56 @@ func Test_setIndexesToTables(t *testing.T) {
 		})
 	}
 }
+
+func setUpTypeLoader(t *testing.T, schema string, opt Option) *TypeLoader {
+	t.Helper()
+
+	dir := t.TempDir()
+
+	f, err := ioutil.TempFile(dir, "")
+	if err != nil {
+		t.Fatalf("failed to create temp file: %v", err)
+	}
+	_, _ = f.Write([]byte(schema))
+	_ = f.Close()
+	path := f.Name()
+
+	source, err := NewSchemaParserSource(path)
+	if err != nil {
+		t.Fatalf("failed to create schema parser source: %v", err)
+	}
+
+	inflector, err := internal.NewInflector(nil)
+	if err != nil {
+		t.Fatalf("failed to create inflector: %v", err)
+	}
+
+	return NewTypeLoader(source, inflector, opt)
+}
+
+func compareSchemas(t *testing.T, actual *models.Schema, expected *models.Schema) {
+	t.Helper()
+
+	if diff := cmp.Diff(actual, expected,
+		cmp.Transformer("FilterInTypePrimaryKeyFields", func(in *models.Type) *models.Type {
+			if in == nil {
+				return in
+			}
+			for i := range in.PrimaryKeyFields {
+				f := in.PrimaryKeyFields[i]
+				in.PrimaryKeyFields[i] = &models.Field{ColumnName: f.ColumnName}
+			}
+			return in
+		}),
+		cmp.Transformer("FilterInIndexFields", func(in *models.Index) *models.Index {
+			for i := range in.Fields {
+				f := in.Fields[i]
+				in.Fields[i] = &models.Field{ColumnName: f.ColumnName}
+			}
+			return in
+		}),
+		cmpopts.IgnoreFields(models.Index{}, "Type"),
+	); diff != "" {
+		t.Errorf("(-got, +want)\n%s", diff)
+	}
+}