From 42e44444cc991f8f9f3ee29a4a0b12e63eede670 Mon Sep 17 00:00:00 2001
From: riverchu <churiver@outlook.com>
Date: Thu, 19 Aug 2021 14:19:50 +0800
Subject: [PATCH] test: update Expr build test

---
 clause/expression_test.go | 12 +++++++++++
 statement_test.go         | 42 ---------------------------------------
 2 files changed, 12 insertions(+), 42 deletions(-)

diff --git a/clause/expression_test.go b/clause/expression_test.go
index 0ccd0771..05074865 100644
--- a/clause/expression_test.go
+++ b/clause/expression_test.go
@@ -156,6 +156,18 @@ func TestExpression(t *testing.T) {
 		},
 		ExpectedVars: []interface{}{"a", "b"},
 		Result:       "`column-name` NOT IN (?,?)",
+	}, {
+		Expressions: []clause.Expression{
+			clause.Eq{Column: clause.Expr{SQL: "SUM(?)", Vars: []interface{}{clause.Column{Name: "id"}}}, Value: 100},
+		},
+		ExpectedVars: []interface{}{100},
+		Result:       "SUM(`id`) = ?",
+	}, {
+		Expressions: []clause.Expression{
+			clause.Gte{Column: clause.Expr{SQL: "SUM(?)", Vars: []interface{}{clause.Column{Table: "users", Name: "id"}}}, Value: 100},
+		},
+		ExpectedVars: []interface{}{100},
+		Result:       "SUM(`users`.`id`) >= ?",
 	}}
 
 	for idx, result := range results {
diff --git a/statement_test.go b/statement_test.go
index 0ee57a3f..03ad81dc 100644
--- a/statement_test.go
+++ b/statement_test.go
@@ -3,12 +3,9 @@ package gorm
 import (
 	"fmt"
 	"reflect"
-	"strings"
 	"testing"
 
 	"gorm.io/gorm/clause"
-	"gorm.io/gorm/logger"
-	"gorm.io/gorm/schema"
 )
 
 func TestWhereCloneCorruption(t *testing.T) {
@@ -37,42 +34,3 @@ func TestWhereCloneCorruption(t *testing.T) {
 		})
 	}
 }
-
-var _ Dialector = new(dummyDialector)
-
-type dummyDialector struct{}
-
-func (dummyDialector) Name() string         { return "dummy" }
-func (dummyDialector) Initialize(*DB) error { return nil }
-func (dummyDialector) DefaultValueOf(field *schema.Field) clause.Expression {
-	return clause.Expr{SQL: "DEFAULT"}
-}
-func (dummyDialector) Migrator(*DB) Migrator { return nil }
-func (dummyDialector) BindVarTo(writer clause.Writer, stmt *Statement, v interface{}) {
-	writer.WriteByte('?')
-}
-func (dummyDialector) QuoteTo(writer clause.Writer, str string) { writer.WriteString("`" + str + "`") }
-func (dummyDialector) Explain(sql string, vars ...interface{}) string {
-	return logger.ExplainSQL(sql, nil, `"`, vars...)
-}
-func (dummyDialector) DataTypeOf(*schema.Field) string { return "" }
-
-var db, _ = Open(dummyDialector{})
-
-func TestStatement_WriteQuoted(t *testing.T) {
-	s := Statement{DB: db}
-
-	testdata := map[string]clause.Expression{
-		"SUM(`users`.`id`)": clause.Expr{SQL: "SUM(?)", Vars: []interface{}{clause.Column{Table: "users", Name: "id"}}},
-	}
-
-	for result, expr := range testdata {
-		s.WriteQuoted(expr)
-		if s.SQL.String() != result {
-			t.Errorf("WriteQuoted test fail, expected: %s, got %s", result, s.SQL.String())
-		}
-
-		s.SQL = strings.Builder{}
-		s.Vars = []interface{}{}
-	}
-}