| // Licensed to the Apache Software Foundation (ASF) under one or more |
| // contributor license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright ownership. |
| // The ASF licenses this file to You under the Apache License, Version 2.0 |
| // (the "License"); you may not use this file except in compliance with |
| // the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package column |
| |
| import ( |
| "reflect" |
| "testing" |
| |
| proto "github.com/apache/spark-connect-go/v35/internal/generated" |
| "github.com/stretchr/testify/assert" |
| ) |
| |
| func TestNewUnresolvedFunction(t *testing.T) { |
| colRef := NewColumnReference("martin") |
| colRefPlan, _ := colRef.ToPlan() |
| type args struct { |
| name string |
| arguments []Expression |
| isDistinct bool |
| } |
| tests := []struct { |
| name string |
| args args |
| want *proto.Expression |
| }{ |
| { |
| name: "TestNewUnresolvedFunction", |
| args: args{ |
| name: "id", |
| arguments: nil, |
| isDistinct: false, |
| }, |
| want: &proto.Expression{ |
| ExprType: &proto.Expression_UnresolvedFunction_{ |
| UnresolvedFunction: &proto.Expression_UnresolvedFunction{ |
| FunctionName: "id", |
| IsDistinct: false, |
| }, |
| }, |
| }, |
| }, |
| { |
| name: "TestNewUnresolvedWithArguments", |
| args: args{ |
| name: "id", |
| arguments: []Expression{colRef}, |
| isDistinct: false, |
| }, |
| want: &proto.Expression{ |
| ExprType: &proto.Expression_UnresolvedFunction_{ |
| UnresolvedFunction: &proto.Expression_UnresolvedFunction{ |
| FunctionName: "id", |
| IsDistinct: false, |
| Arguments: []*proto.Expression{ |
| colRefPlan, |
| }, |
| }, |
| }, |
| }, |
| }, |
| } |
| for _, tt := range tests { |
| t.Run(tt.name, func(t *testing.T) { |
| got, err := NewUnresolvedFunction(tt.args.name, tt.args.arguments, tt.args.isDistinct).ToPlan() |
| assert.NoError(t, err) |
| if !reflect.DeepEqual(got, tt.want) { |
| assert.Equal(t, tt.want, got) |
| t.Errorf("NewUnresolvedFunction() = %v, want %v", got, tt.want) |
| } |
| }) |
| } |
| } |
| |
| func TestNewUnresolvedFunctionWithColumns(t *testing.T) { |
| colRef := NewColumn(NewColumnReference("martin")) |
| colRefPlan, _ := colRef.ToPlan() |
| |
| type args struct { |
| name string |
| arguments []Column |
| } |
| tests := []struct { |
| name string |
| args args |
| want *proto.Expression |
| }{ |
| { |
| name: "TestNewUnresolvedFunction", |
| args: args{ |
| name: "id", |
| arguments: nil, |
| }, |
| want: &proto.Expression{ |
| ExprType: &proto.Expression_UnresolvedFunction_{ |
| UnresolvedFunction: &proto.Expression_UnresolvedFunction{ |
| FunctionName: "id", |
| IsDistinct: false, |
| }, |
| }, |
| }, |
| }, |
| { |
| name: "TestNewUnresolvedWithArguments", |
| args: args{ |
| name: "id", |
| arguments: []Column{colRef}, |
| }, |
| want: &proto.Expression{ |
| ExprType: &proto.Expression_UnresolvedFunction_{ |
| UnresolvedFunction: &proto.Expression_UnresolvedFunction{ |
| FunctionName: "id", |
| IsDistinct: false, |
| Arguments: []*proto.Expression{ |
| colRefPlan, |
| }, |
| }, |
| }, |
| }, |
| }, |
| { |
| name: "TestNewUnresolvedWithManyArguments", |
| args: args{ |
| name: "id", |
| arguments: []Column{colRef, colRef, colRef}, |
| }, |
| want: &proto.Expression{ |
| ExprType: &proto.Expression_UnresolvedFunction_{ |
| UnresolvedFunction: &proto.Expression_UnresolvedFunction{ |
| FunctionName: "id", |
| IsDistinct: false, |
| Arguments: []*proto.Expression{ |
| colRefPlan, |
| colRefPlan, |
| colRefPlan, |
| }, |
| }, |
| }, |
| }, |
| }, |
| } |
| for _, tt := range tests { |
| t.Run(tt.name, func(t *testing.T) { |
| got, err := NewUnresolvedFunctionWithColumns(tt.args.name, tt.args.arguments...).ToPlan() |
| assert.NoError(t, err) |
| if !reflect.DeepEqual(got, tt.want) { |
| assert.Equal(t, tt.want, got) |
| t.Errorf("NewUnresolvedFunction() = %v, want %v", got, tt.want) |
| } |
| }) |
| } |
| } |
| |
| func TestNewSQLExpression(t *testing.T) { |
| type args struct { |
| expression string |
| } |
| tests := []struct { |
| name string |
| args args |
| want *sqlExression |
| }{ |
| { |
| name: "TestNewSQLExpression", |
| args: args{ |
| expression: "id < 10", |
| }, |
| want: &sqlExression{ |
| expression_string: "id < 10", |
| }, |
| }, |
| } |
| for _, tt := range tests { |
| t.Run(tt.name, func(t *testing.T) { |
| if got := NewSQLExpression(tt.args.expression); !reflect.DeepEqual(got, tt.want) { |
| t.Errorf("NewSQLExpression() = %v, want %v", got, tt.want) |
| } |
| }) |
| } |
| } |
| |
| func TestColumnAlias_Basic(t *testing.T) { |
| colRef := NewColumnReference("column") |
| colRefPlan, _ := colRef.ToPlan() |
| colAlias := NewColumnAlias("martin", colRef) |
| colAliasPlan, _ := colAlias.ToPlan() |
| assert.Equal(t, colRefPlan, colAliasPlan.GetAlias().GetExpr()) |
| |
| // Test the debug string: |
| assert.Equal(t, "column AS martin", colAlias.DebugString()) |
| } |