Add insert operation

README.md

@@ -13,6 +13,7 @@ Repogen is a code generator for database repository in Golang inspired by Spring
 
 Repogen is a library that generates MongoDB repository implementation from repository interface by using method name pattern.
 
+- CRUD functionality
 - Method signature validation
 - Supports single-entity and multiple-entity operations
 - Supports many comparison operators

codecov.yml

@@ -2,7 +2,7 @@ coverage:
   status:
     project:
       default:
-        target: 75%
+        target: 80%
         threshold: 4%
     patch:
       default:

internal/code/extractor.go

@@ -62,41 +62,23 @@ func ExtractComponents(f *ast.File) File {
 
 				interfaceType, ok := typeSpec.Type.(*ast.InterfaceType)
 				if ok {
-					intf := Interface{
+					intf := InterfaceType{
 						Name: typeSpec.Name.Name,
 					}
 
 					for _, method := range interfaceType.Methods.List {
-						var meth Method
-						for _, name := range method.Names {
-							meth.Name = name.Name
-							break
-						}
-
 						funcType, ok := method.Type.(*ast.FuncType)
 						if !ok {
 							continue
 						}
 
-						for _, param := range funcType.Params.List {
+						var name string
-							paramType := getType(param.Type)
+						for _, n := range method.Names {
-
+							name = n.Name
-							if len(param.Names) == 0 {
+							break
-								meth.Params = append(meth.Params, Param{Type: paramType})
-								continue
-							}
-
-							for _, name := range param.Names {
-								meth.Params = append(meth.Params, Param{
-									Name: name.Name,
-									Type: paramType,
-								})
-							}
 						}
 
-						for _, result := range funcType.Results.List {
+						meth := extractFunction(name, funcType)
-							meth.Returns = append(meth.Returns, getType(result.Type))
-						}
 
 						intf.Methods = append(intf.Methods, meth)
 					}
@@ -131,6 +113,35 @@ func extractStructTag(tagValue string) map[string][]string {
 	return tags
 }
 
+func extractFunction(name string, funcType *ast.FuncType) Method {
+	meth := Method{
+		Name: name,
+	}
+	for _, param := range funcType.Params.List {
+		paramType := getType(param.Type)
+
+		if len(param.Names) == 0 {
+			meth.Params = append(meth.Params, Param{Type: paramType})
+			continue
+		}
+
+		for _, name := range param.Names {
+			meth.Params = append(meth.Params, Param{
+				Name: name.Name,
+				Type: paramType,
+			})
+		}
+	}
+
+	if funcType.Results != nil {
+		for _, result := range funcType.Results.List {
+			meth.Returns = append(meth.Returns, getType(result.Type))
+		}
+	}
+
+	return meth
+}
+
 func getType(expr ast.Expr) Type {
 	identExpr, ok := expr.(*ast.Ident)
 	if ok {
@@ -158,5 +169,28 @@ func getType(expr ast.Expr) Type {
 		return ArrayType{containedType}
 	}
 
+	intfType, ok := expr.(*ast.InterfaceType)
+	if ok {
+		var methods []Method
+		for _, method := range intfType.Methods.List {
+			funcType, ok := method.Type.(*ast.FuncType)
+			if !ok {
+				continue
+			}
+
+			var name string
+			for _, n := range method.Names {
+				name = n.Name
+				break
+			}
+
+			methods = append(methods, extractFunction(name, funcType))
+		}
+
+		return InterfaceType{
+			Methods: methods,
+		}
+	}
+
 	return nil
 }

internal/code/extractor_test.go

@@ -97,6 +97,12 @@ type UserRepository interface {
 	FindOneByID(ctx context.Context, id primitive.ObjectID) (*UserModel, error)
 	FindAll(context.Context) ([]*UserModel, error)
 	FindByAgeBetween(ctx context.Context, fromAge, toAge int) ([]*UserModel, error)
+	InsertOne(ctx context.Context, user *UserModel) (interface{}, error)
+	CustomMethod(interface {
+		Run(arg1 int)
+	}) interface {
+		Do(arg2 string)
+	}
 }`,
 			ExpectedOutput: code.File{
 				PackageName: "user",
@@ -137,6 +143,46 @@ type UserRepository interface {
 									code.SimpleType("error"),
 								},
 							},
+							{
+								Name: "InsertOne",
+								Params: []code.Param{
+									{Name: "ctx", Type: code.ExternalType{PackageAlias: "context", Name: "Context"}},
+									{Name: "user", Type: code.PointerType{ContainedType: code.SimpleType("UserModel")}},
+								},
+								Returns: []code.Type{
+									code.InterfaceType{},
+									code.SimpleType("error"),
+								},
+							},
+							{
+								Name: "CustomMethod",
+								Params: []code.Param{
+									{
+										Type: code.InterfaceType{
+											Methods: []code.Method{
+												{
+													Name: "Run",
+													Params: []code.Param{
+														{Name: "arg1", Type: code.SimpleType("int")},
+													},
+												},
+											},
+										},
+									},
+								},
+								Returns: []code.Type{
+									code.InterfaceType{
+										Methods: []code.Method{
+											{
+												Name: "Do",
+												Params: []code.Param{
+													{Name: "arg2", Type: code.SimpleType("string")},
+												},
+											},
+										},
+									},
+								},
+							},
 						},
 					},
 				},

internal/code/models.go

@@ -38,6 +38,11 @@ type Struct struct {
 	Fields StructFields
 }
 
+// ReferencedType returns a type variable of this struct
+func (str Struct) ReferencedType() Type {
+	return SimpleType(str.Name)
+}
+
 // StructFields is a group of the StructField model
 type StructFields []StructField
 
@@ -59,25 +64,30 @@ type StructField struct {
 }
 
 // Interfaces is a group of Interface model
-type Interfaces []Interface
+type Interfaces []InterfaceType
 
 // ByName return interface by name Another return value shows whether there is an interface
 // with that name exists.
-func (intfs Interfaces) ByName(name string) (Interface, bool) {
+func (intfs Interfaces) ByName(name string) (InterfaceType, bool) {
 	for _, intf := range intfs {
 		if intf.Name == name {
 			return intf, true
 		}
 	}
-	return Interface{}, false
+	return InterfaceType{}, false
 }
 
-// Interface is a definition of the interface
+// InterfaceType is a definition of the interface
-type Interface struct {
+type InterfaceType struct {
 	Name    string
 	Methods []Method
 }
 
+// Code returns token string in code format
+func (intf InterfaceType) Code() string {
+	return `interface{}`
+}
+
 // Method is a definition of the method inside the interface
 type Method struct {
 	Name    string

internal/code/models_test.go

@@ -63,7 +63,7 @@ func TestStructFieldsByName(t *testing.T) {
 }
 
 func TestInterfacesByName(t *testing.T) {
-	userRepoIntf := code.Interface{Name: "UserRepository"}
+	userRepoIntf := code.InterfaceType{Name: "UserRepository"}
 	interfaces := code.Interfaces{userRepoIntf}
 
 	t.Run("struct field found", func(t *testing.T) {
@@ -85,3 +85,44 @@ func TestInterfacesByName(t *testing.T) {
 		}
 	})
 }
+
+type TypeCodeTestCase struct {
+	Name         string
+	Type         code.Type
+	ExpectedCode string
+}
+
+func TestArrayTypeCode(t *testing.T) {
+	testTable := []TypeCodeTestCase{
+		{
+			Name:         "simple type",
+			Type:         code.SimpleType("UserModel"),
+			ExpectedCode: "UserModel",
+		},
+		{
+			Name:         "external type",
+			Type:         code.ExternalType{PackageAlias: "context", Name: "Context"},
+			ExpectedCode: "context.Context",
+		},
+		{
+			Name:         "pointer type",
+			Type:         code.PointerType{ContainedType: code.SimpleType("UserModel")},
+			ExpectedCode: "*UserModel",
+		},
+		{
+			Name:         "array type",
+			Type:         code.ArrayType{ContainedType: code.SimpleType("UserModel")},
+			ExpectedCode: "[]UserModel",
+		},
+	}
+
+	for _, testCase := range testTable {
+		t.Run(testCase.Name, func(t *testing.T) {
+			code := testCase.Type.Code()
+
+			if code != testCase.ExpectedCode {
+				t.Errorf("Expected = %v\nReceived = %v", testCase.ExpectedCode, code)
+			}
+		})
+	}
+}

internal/mongo/generator.go

@@ -77,6 +77,8 @@ func (g RepositoryGenerator) GenerateMethod(methodSpec spec.MethodSpec, buffer i
 
 func (g RepositoryGenerator) generateMethodImplementation(methodSpec spec.MethodSpec) (string, error) {
 	switch operation := methodSpec.Operation.(type) {
+	case spec.InsertOperation:
+		return g.generateInsertImplementation(operation)
 	case spec.FindOperation:
 		return g.generateFindImplementation(operation)
 	case spec.UpdateOperation:
@@ -88,6 +90,13 @@ func (g RepositoryGenerator) generateMethodImplementation(methodSpec spec.Method
 	return "", OperationNotSupportedError
 }
 
+func (g RepositoryGenerator) generateInsertImplementation(operation spec.InsertOperation) (string, error) {
+	if operation.Mode == spec.QueryModeOne {
+		return insertOneTemplate, nil
+	}
+	return insertManyTemplate, nil
+}
+
 func (g RepositoryGenerator) generateFindImplementation(operation spec.FindOperation) (string, error) {
 	buffer := new(bytes.Buffer)
 

internal/mongo/generator_test.go

@@ -80,6 +80,85 @@ type GenerateMethodTestCase struct {
 	ExpectedCode string
 }
 
+func TestGenerateMethod_Insert(t *testing.T) {
+	testTable := []GenerateMethodTestCase{
+		{
+			Name: "insert one method",
+			MethodSpec: spec.MethodSpec{
+				Name: "InsertOne",
+				Params: []code.Param{
+					{Name: "ctx", Type: code.ExternalType{PackageAlias: "context", Name: "Context"}},
+					{Name: "userModel", Type: code.PointerType{ContainedType: code.SimpleType("UserModel")}},
+				},
+				Returns: []code.Type{
+					code.InterfaceType{},
+					code.SimpleType("error"),
+				},
+				Operation: spec.InsertOperation{
+					Mode: spec.QueryModeOne,
+				},
+			},
+			ExpectedCode: `
+func (r *UserRepositoryMongo) InsertOne(arg0 context.Context, arg1 *UserModel) (interface{}, error) {
+	result, err := r.collection.InsertOne(arg0, arg1)
+	if err != nil {
+		return nil, err
+	}
+	return result.InsertedID, nil
+}
+`,
+		},
+		{
+			Name: "insert many method",
+			MethodSpec: spec.MethodSpec{
+				Name: "Insert",
+				Params: []code.Param{
+					{Name: "ctx", Type: code.ExternalType{PackageAlias: "context", Name: "Context"}},
+					{Name: "userModel", Type: code.ArrayType{
+						ContainedType: code.PointerType{ContainedType: code.SimpleType("UserModel")},
+					}},
+				},
+				Returns: []code.Type{
+					code.ArrayType{ContainedType: code.InterfaceType{}},
+					code.SimpleType("error"),
+				},
+				Operation: spec.InsertOperation{
+					Mode: spec.QueryModeMany,
+				},
+			},
+			ExpectedCode: `
+func (r *UserRepositoryMongo) Insert(arg0 context.Context, arg1 []*UserModel) ([]interface{}, error) {
+	var entities []interface{}
+	for _, model := range arg1 {
+		entities = append(entities, model)
+	}
+	result, err := r.collection.InsertMany(arg0, entities)
+	if err != nil {
+		return nil, err
+	}
+	return result.InsertedIDs, nil
+}
+`,
+		},
+	}
+
+	for _, testCase := range testTable {
+		t.Run(testCase.Name, func(t *testing.T) {
+			generator := mongo.NewGenerator(userModel, "UserRepository")
+			buffer := new(bytes.Buffer)
+
+			err := generator.GenerateMethod(testCase.MethodSpec, buffer)
+
+			if err != nil {
+				t.Error(err)
+			}
+			if err := testutils.ExpectMultiLineString(testCase.ExpectedCode, buffer.String()); err != nil {
+				t.Error(err)
+			}
+		})
+	}
+}
+
 func TestGenerateMethod_Find(t *testing.T) {
 	testTable := []GenerateMethodTestCase{
 		{
@@ -90,7 +169,10 @@ func TestGenerateMethod_Find(t *testing.T) {
 					{Name: "ctx", Type: code.ExternalType{PackageAlias: "context", Name: "Context"}},
 					{Name: "id", Type: code.ExternalType{PackageAlias: "primitive", Name: "ObjectID"}},
 				},
-				Returns: []code.Type{code.PointerType{ContainedType: code.SimpleType("UserModel")}, code.SimpleType("error")},
+				Returns: []code.Type{
+					code.PointerType{ContainedType: code.SimpleType("UserModel")},
+					code.SimpleType("error"),
+				},
 				Operation: spec.FindOperation{
 					Mode: spec.QueryModeOne,
 					Query: spec.QuerySpec{

internal/mongo/templates.go

@@ -70,6 +70,22 @@ func (data mongoMethodTemplateData) Returns() string {
 	return fmt.Sprintf(" (%s)", strings.Join(returns, ", "))
 }
 
+const insertOneTemplate = `	result, err := r.collection.InsertOne(arg0, arg1)
+	if err != nil {
+		return nil, err
+	}
+	return result.InsertedID, nil`
+
+const insertManyTemplate = `	var entities []interface{}
+	for _, model := range arg1 {
+		entities = append(entities, model)
+	}
+	result, err := r.collection.InsertMany(arg0, entities)
+	if err != nil {
+		return nil, err
+	}
+	return result.InsertedIDs, nil`
+
 type mongoFindTemplateData struct {
 	EntityType string
 	QuerySpec  querySpec

internal/spec/errors.go

@@ -9,14 +9,14 @@ func (err ParsingError) Error() string {
 		return "unknown operation"
 	case UnsupportedNameError:
 		return "method name is not supported"
+	case UnsupportedReturnError:
+		return "this type of return is not supported"
 	case InvalidQueryError:
 		return "invalid query"
 	case InvalidParamError:
 		return "parameters do not match the query"
 	case InvalidUpdateFieldsError:
 		return "update fields is invalid"
-	case UnsupportedReturnError:
-		return "this type of return is not supported"
 	case ContextParamRequiredError:
 		return "context parameter is required"
 	case StructFieldNotFoundError:
@@ -29,10 +29,10 @@ func (err ParsingError) Error() string {
 const (
 	UnknownOperationError     ParsingError = "ERROR_UNKNOWN_OPERATION"
 	UnsupportedNameError      ParsingError = "ERROR_UNSUPPORTED"
+	UnsupportedReturnError    ParsingError = "ERROR_UNSUPPORTED_RETURN"
 	InvalidQueryError         ParsingError = "ERROR_INVALID_QUERY"
 	InvalidParamError         ParsingError = "ERROR_INVALID_PARAM"
 	InvalidUpdateFieldsError  ParsingError = "ERROR_INVALID_UPDATE_FIELDS"
-	UnsupportedReturnError    ParsingError = "ERROR_INVALID_RETURN"
 	ContextParamRequiredError ParsingError = "ERROR_CONTEXT_PARAM_REQUIRED"
 	StructFieldNotFoundError  ParsingError = "ERROR_STRUCT_FIELD_NOT_FOUND"
 )

internal/spec/models.go

@@ -27,6 +27,11 @@ type MethodSpec struct {
 type Operation interface {
 }
 
+// InsertOperation is a method specification for insert operations
+type InsertOperation struct {
+	Mode QueryMode
+}
+
 // FindOperation is a method specification for find operations
 type FindOperation struct {
 	Mode  QueryMode

internal/spec/parser.go

@@ -23,6 +23,8 @@ type interfaceMethodParser struct {
 func (p interfaceMethodParser) Parse() (MethodSpec, error) {
 	methodNameTokens := camelcase.Split(p.Method.Name)
 	switch methodNameTokens[0] {
+	case "Insert":
+		return p.parseInsertMethod(methodNameTokens[1:])
 	case "Find":
 		return p.parseFindMethod(methodNameTokens[1:])
 	case "Update":
@@ -33,6 +35,65 @@ func (p interfaceMethodParser) Parse() (MethodSpec, error) {
 	return MethodSpec{}, UnknownOperationError
 }
 
+func (p interfaceMethodParser) parseInsertMethod(tokens []string) (MethodSpec, error) {
+	mode, err := p.extractInsertReturns(p.Method.Returns)
+	if err != nil {
+		return MethodSpec{}, err
+	}
+
+	if err := p.validateContextParam(); err != nil {
+		return MethodSpec{}, err
+	}
+
+	pointerType := code.PointerType{ContainedType: p.StructModel.ReferencedType()}
+	if mode == QueryModeOne && p.Method.Params[1].Type != pointerType {
+		return MethodSpec{}, InvalidParamError
+	}
+
+	arrayType := code.ArrayType{ContainedType: pointerType}
+	if mode == QueryModeMany && p.Method.Params[1].Type != arrayType {
+		return MethodSpec{}, InvalidParamError
+	}
+
+	return MethodSpec{
+		Name:    p.Method.Name,
+		Params:  p.Method.Params,
+		Returns: p.Method.Returns,
+		Operation: InsertOperation{
+			Mode: mode,
+		},
+	}, nil
+}
+
+func (p interfaceMethodParser) extractInsertReturns(returns []code.Type) (QueryMode, error) {
+	if len(returns) != 2 {
+		return "", UnsupportedReturnError
+	}
+
+	if returns[1] != code.SimpleType("error") {
+		return "", UnsupportedReturnError
+	}
+
+	interfaceType, ok := returns[0].(code.InterfaceType)
+	if ok {
+		if len(interfaceType.Methods) != 0 {
+			return "", UnsupportedReturnError
+		}
+		return QueryModeOne, nil
+	}
+
+	arrayType, ok := returns[0].(code.ArrayType)
+	if ok {
+		interfaceType, ok := arrayType.ContainedType.(code.InterfaceType)
+		if !ok || len(interfaceType.Methods) != 0 {
+			return "", UnsupportedReturnError
+		}
+		return QueryModeMany, nil
+	}
+
+	return "", UnsupportedReturnError
+}
+
 func (p interfaceMethodParser) parseFindMethod(tokens []string) (MethodSpec, error) {
 	if len(tokens) == 0 {
 		return MethodSpec{}, UnsupportedNameError

internal/spec/parser_test.go

@@ -40,6 +40,64 @@ type ParseInterfaceMethodTestCase struct {
 	ExpectedOperation spec.Operation
 }
 
+func TestParseInterfaceMethod_Insert(t *testing.T) {
+	testTable := []ParseInterfaceMethodTestCase{
+		{
+			Name: "InsertOne method",
+			Method: code.Method{
+				Name: "InsertOne",
+				Params: []code.Param{
+					{Type: code.ExternalType{PackageAlias: "context", Name: "Context"}},
+					{Type: code.PointerType{ContainedType: code.SimpleType("UserModel")}},
+				},
+				Returns: []code.Type{
+					code.InterfaceType{},
+					code.SimpleType("error"),
+				},
+			},
+			ExpectedOperation: spec.InsertOperation{
+				Mode: spec.QueryModeOne,
+			},
+		},
+		{
+			Name: "InsertMany method",
+			Method: code.Method{
+				Name: "InsertMany",
+				Params: []code.Param{
+					{Type: code.ExternalType{PackageAlias: "context", Name: "Context"}},
+					{Type: code.ArrayType{ContainedType: code.PointerType{ContainedType: code.SimpleType("UserModel")}}},
+				},
+				Returns: []code.Type{
+					code.ArrayType{ContainedType: code.InterfaceType{}},
+					code.SimpleType("error"),
+				},
+			},
+			ExpectedOperation: spec.InsertOperation{
+				Mode: spec.QueryModeMany,
+			},
+		},
+	}
+
+	for _, testCase := range testTable {
+		t.Run(testCase.Name, func(t *testing.T) {
+			actualSpec, err := spec.ParseInterfaceMethod(structModel, testCase.Method)
+
+			if err != nil {
+				t.Errorf("Error = %s", err)
+			}
+			expectedOutput := spec.MethodSpec{
+				Name:      testCase.Method.Name,
+				Params:    testCase.Method.Params,
+				Returns:   testCase.Method.Returns,
+				Operation: testCase.ExpectedOperation,
+			}
+			if !reflect.DeepEqual(actualSpec, expectedOutput) {
+				t.Errorf("Expected = %v\nReceived = %v", expectedOutput, actualSpec)
+			}
+		})
+	}
+}
+
 func TestParseInterfaceMethod_Find(t *testing.T) {
 	testTable := []ParseInterfaceMethodTestCase{
 		{
@@ -736,6 +794,114 @@ func TestParseInterfaceMethod_Invalid(t *testing.T) {
 	}
 }
 
+func TestParseInterfaceMethod_Insert_Invalid(t *testing.T) {
+	testTable := []ParseInterfaceMethodInvalidTestCase{
+		{
+			Name: "invalid number of returns",
+			Method: code.Method{
+				Name: "Insert",
+				Returns: []code.Type{
+					code.PointerType{ContainedType: code.SimpleType("UserModel")},
+					code.InterfaceType{},
+					code.SimpleType("error"),
+				},
+			},
+			ExpectedError: spec.UnsupportedReturnError,
+		},
+		{
+			Name: "unsupported return types from insert method",
+			Method: code.Method{
+				Name: "Insert",
+				Returns: []code.Type{
+					code.PointerType{ContainedType: code.SimpleType("UserModel")},
+					code.SimpleType("error"),
+				},
+			},
+			ExpectedError: spec.UnsupportedReturnError,
+		},
+		{
+			Name: "unempty interface return from insert method",
+			Method: code.Method{
+				Name: "Insert",
+				Returns: []code.Type{
+					code.InterfaceType{
+						Methods: []code.Method{
+							{Name: "DoSomething"},
+						},
+					},
+					code.SimpleType("error"),
+				},
+			},
+			ExpectedError: spec.UnsupportedReturnError,
+		},
+		{
+			Name: "error return not provided",
+			Method: code.Method{
+				Name: "Insert",
+				Returns: []code.Type{
+					code.PointerType{ContainedType: code.SimpleType("UserModel")},
+					code.InterfaceType{},
+				},
+			},
+			ExpectedError: spec.UnsupportedReturnError,
+		},
+		{
+			Name: "no context parameter",
+			Method: code.Method{
+				Name: "Insert",
+				Params: []code.Param{
+					{Name: "userModel", Type: code.PointerType{ContainedType: code.SimpleType("UserModel")}},
+				},
+				Returns: []code.Type{
+					code.InterfaceType{},
+					code.SimpleType("error"),
+				},
+			},
+			ExpectedError: spec.ContextParamRequiredError,
+		},
+		{
+			Name: "mismatched model parameter for one mode",
+			Method: code.Method{
+				Name: "Insert",
+				Params: []code.Param{
+					{Name: "ctx", Type: code.ExternalType{PackageAlias: "context", Name: "Context"}},
+					{Name: "userModel", Type: code.ArrayType{ContainedType: code.PointerType{ContainedType: code.SimpleType("UserModel")}}},
+				},
+				Returns: []code.Type{
+					code.InterfaceType{},
+					code.SimpleType("error"),
+				},
+			},
+			ExpectedError: spec.InvalidParamError,
+		},
+		{
+			Name: "mismatched model parameter for many mode",
+			Method: code.Method{
+				Name: "Insert",
+				Params: []code.Param{
+					{Name: "ctx", Type: code.ExternalType{PackageAlias: "context", Name: "Context"}},
+					{Name: "userModel", Type: code.PointerType{ContainedType: code.SimpleType("UserModel")}},
+				},
+				Returns: []code.Type{
+					code.ArrayType{ContainedType: code.InterfaceType{}},
+					code.SimpleType("error"),
+				},
+			},
+			ExpectedError: spec.InvalidParamError,
+		},
+	}
+
+	for _, testCase := range testTable {
+		t.Run(testCase.Name, func(t *testing.T) {
+			_, err := spec.ParseInterfaceMethod(structModel, testCase.Method)
+
+			if err != testCase.ExpectedError {
+				t.Errorf("\nExpected = %v\nReceived = %v", testCase.ExpectedError, err)
+			}
+		})
+	}
+}
+
 func TestParseInterfaceMethod_Find_Invalid(t *testing.T) {
 	testTable := []ParseInterfaceMethodInvalidTestCase{
 		{
@@ -758,7 +924,7 @@ func TestParseInterfaceMethod_Find_Invalid(t *testing.T) {
 			ExpectedError: spec.UnsupportedReturnError,
 		},
 		{
-			Name: "unsupported return values from find method",
+			Name: "unsupported return types from find method",
 			Method: code.Method{
 				Name: "FindOneByID",
 				Returns: []code.Type{
@@ -933,7 +1099,7 @@ func TestParseInterfaceMethod_Update_Invalid(t *testing.T) {
 			ExpectedError: spec.UnsupportedReturnError,
 		},
 		{
-			Name: "unsupported return values from find method",
+			Name: "unsupported return types from update method",
 			Method: code.Method{
 				Name: "UpdateAgeByID",
 				Returns: []code.Type{
@@ -1085,7 +1251,7 @@ func TestParseInterfaceMethod_Delete_Invalid(t *testing.T) {
 			ExpectedError: spec.UnsupportedReturnError,
 		},
 		{
-			Name: "unsupported return values from find method",
+			Name: "unsupported return types from delete method",
 			Method: code.Method{
 				Name: "DeleteOneByID",
 				Returns: []code.Type{