ResolveSpec/pkg/common/adapters/database/pgsql_test.go
Hein 4cc943b9d3
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Added row PgSQLAdapter
2025-12-10 15:28:09 +02:00

630 lines
15 KiB
Go

package database
import (
"context"
"database/sql"
"reflect"
"testing"
"github.com/DATA-DOG/go-sqlmock"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/bitechdev/ResolveSpec/pkg/common"
)
// Test models
type TestUser struct {
ID int `db:"id"`
Name string `db:"name"`
Email string `db:"email"`
Age int `db:"age"`
}
func (u TestUser) TableName() string {
return "users"
}
type TestPost struct {
ID int `db:"id"`
Title string `db:"title"`
Content string `db:"content"`
UserID int `db:"user_id"`
User *TestUser `bun:"rel:belongs-to,join:user_id=id"`
Comments []TestComment `bun:"rel:has-many,join:id=post_id"`
}
func (p TestPost) TableName() string {
return "posts"
}
type TestComment struct {
ID int `db:"id"`
Content string `db:"content"`
PostID int `db:"post_id"`
}
func (c TestComment) TableName() string {
return "comments"
}
// TestNewPgSQLAdapter tests adapter creation
func TestNewPgSQLAdapter(t *testing.T) {
db, _, err := sqlmock.New()
require.NoError(t, err)
defer db.Close()
adapter := NewPgSQLAdapter(db)
assert.NotNil(t, adapter)
assert.Equal(t, db, adapter.db)
}
// TestPgSQLSelectQuery_BuildSQL tests SQL query building
func TestPgSQLSelectQuery_BuildSQL(t *testing.T) {
tests := []struct {
name string
setup func(*PgSQLSelectQuery)
expected string
}{
{
name: "simple select",
setup: func(q *PgSQLSelectQuery) {
q.tableName = "users"
},
expected: "SELECT * FROM users",
},
{
name: "select with columns",
setup: func(q *PgSQLSelectQuery) {
q.tableName = "users"
q.columns = []string{"id", "name", "email"}
},
expected: "SELECT id, name, email FROM users",
},
{
name: "select with where",
setup: func(q *PgSQLSelectQuery) {
q.tableName = "users"
q.whereClauses = []string{"age > $1"}
q.args = []interface{}{18}
},
expected: "SELECT * FROM users WHERE (age > $1)",
},
{
name: "select with order and limit",
setup: func(q *PgSQLSelectQuery) {
q.tableName = "users"
q.orderBy = []string{"created_at DESC"}
q.limit = 10
q.offset = 5
},
expected: "SELECT * FROM users ORDER BY created_at DESC LIMIT 10 OFFSET 5",
},
{
name: "select with join",
setup: func(q *PgSQLSelectQuery) {
q.tableName = "users"
q.joins = []string{"LEFT JOIN posts ON posts.user_id = users.id"}
},
expected: "SELECT * FROM users LEFT JOIN posts ON posts.user_id = users.id",
},
{
name: "select with group and having",
setup: func(q *PgSQLSelectQuery) {
q.tableName = "users"
q.groupBy = []string{"country"}
q.havingClauses = []string{"COUNT(*) > $1"}
q.args = []interface{}{5}
},
expected: "SELECT * FROM users GROUP BY country HAVING COUNT(*) > $1",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
q := &PgSQLSelectQuery{
columns: []string{"*"},
}
tt.setup(q)
sql := q.buildSQL()
assert.Equal(t, tt.expected, sql)
})
}
}
// TestPgSQLSelectQuery_ReplacePlaceholders tests placeholder replacement
func TestPgSQLSelectQuery_ReplacePlaceholders(t *testing.T) {
tests := []struct {
name string
query string
argCount int
paramCounter int
expected string
}{
{
name: "single placeholder",
query: "age > ?",
argCount: 1,
paramCounter: 0,
expected: "age > $1",
},
{
name: "multiple placeholders",
query: "age > ? AND status = ?",
argCount: 2,
paramCounter: 0,
expected: "age > $1 AND status = $2",
},
{
name: "with existing counter",
query: "name = ?",
argCount: 1,
paramCounter: 5,
expected: "name = $6",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
q := &PgSQLSelectQuery{paramCounter: tt.paramCounter}
result := q.replacePlaceholders(tt.query, tt.argCount)
assert.Equal(t, tt.expected, result)
})
}
}
// TestPgSQLSelectQuery_Chaining tests method chaining
func TestPgSQLSelectQuery_Chaining(t *testing.T) {
db, _, err := sqlmock.New()
require.NoError(t, err)
defer db.Close()
adapter := NewPgSQLAdapter(db)
query := adapter.NewSelect().
Table("users").
Column("id", "name").
Where("age > ?", 18).
Order("name ASC").
Limit(10).
Offset(5)
pgQuery := query.(*PgSQLSelectQuery)
assert.Equal(t, "users", pgQuery.tableName)
assert.Equal(t, []string{"id", "name"}, pgQuery.columns)
assert.Len(t, pgQuery.whereClauses, 1)
assert.Equal(t, []string{"name ASC"}, pgQuery.orderBy)
assert.Equal(t, 10, pgQuery.limit)
assert.Equal(t, 5, pgQuery.offset)
}
// TestPgSQLSelectQuery_Model tests model setting
func TestPgSQLSelectQuery_Model(t *testing.T) {
db, _, err := sqlmock.New()
require.NoError(t, err)
defer db.Close()
adapter := NewPgSQLAdapter(db)
user := &TestUser{}
query := adapter.NewSelect().Model(user)
pgQuery := query.(*PgSQLSelectQuery)
assert.Equal(t, "users", pgQuery.tableName)
assert.Equal(t, user, pgQuery.model)
}
// TestScanRowsToStructSlice tests scanning rows into struct slice
func TestScanRowsToStructSlice(t *testing.T) {
db, mock, err := sqlmock.New()
require.NoError(t, err)
defer db.Close()
rows := sqlmock.NewRows([]string{"id", "name", "email", "age"}).
AddRow(1, "John Doe", "john@example.com", 25).
AddRow(2, "Jane Smith", "jane@example.com", 30)
mock.ExpectQuery("SELECT (.+) FROM users").WillReturnRows(rows)
adapter := NewPgSQLAdapter(db)
ctx := context.Background()
var users []TestUser
err = adapter.NewSelect().
Table("users").
Scan(ctx, &users)
require.NoError(t, err)
assert.Len(t, users, 2)
assert.Equal(t, "John Doe", users[0].Name)
assert.Equal(t, "jane@example.com", users[1].Email)
assert.Equal(t, 30, users[1].Age)
assert.NoError(t, mock.ExpectationsWereMet())
}
// TestScanRowsToStructSlicePointers tests scanning rows into pointer slice
func TestScanRowsToStructSlicePointers(t *testing.T) {
db, mock, err := sqlmock.New()
require.NoError(t, err)
defer db.Close()
rows := sqlmock.NewRows([]string{"id", "name", "email", "age"}).
AddRow(1, "John Doe", "john@example.com", 25)
mock.ExpectQuery("SELECT (.+) FROM users").WillReturnRows(rows)
adapter := NewPgSQLAdapter(db)
ctx := context.Background()
var users []*TestUser
err = adapter.NewSelect().
Table("users").
Scan(ctx, &users)
require.NoError(t, err)
assert.Len(t, users, 1)
assert.NotNil(t, users[0])
assert.Equal(t, "John Doe", users[0].Name)
assert.NoError(t, mock.ExpectationsWereMet())
}
// TestScanRowsToSingleStruct tests scanning a single row
func TestScanRowsToSingleStruct(t *testing.T) {
db, mock, err := sqlmock.New()
require.NoError(t, err)
defer db.Close()
rows := sqlmock.NewRows([]string{"id", "name", "email", "age"}).
AddRow(1, "John Doe", "john@example.com", 25)
mock.ExpectQuery("SELECT (.+) FROM users").WillReturnRows(rows)
adapter := NewPgSQLAdapter(db)
ctx := context.Background()
var user TestUser
err = adapter.NewSelect().
Table("users").
Where("id = ?", 1).
Scan(ctx, &user)
require.NoError(t, err)
assert.Equal(t, 1, user.ID)
assert.Equal(t, "John Doe", user.Name)
assert.NoError(t, mock.ExpectationsWereMet())
}
// TestScanRowsToMapSlice tests scanning into map slice
func TestScanRowsToMapSlice(t *testing.T) {
db, mock, err := sqlmock.New()
require.NoError(t, err)
defer db.Close()
rows := sqlmock.NewRows([]string{"id", "name", "email"}).
AddRow(1, "John Doe", "john@example.com").
AddRow(2, "Jane Smith", "jane@example.com")
mock.ExpectQuery("SELECT (.+) FROM users").WillReturnRows(rows)
adapter := NewPgSQLAdapter(db)
ctx := context.Background()
var results []map[string]interface{}
err = adapter.NewSelect().
Table("users").
Scan(ctx, &results)
require.NoError(t, err)
assert.Len(t, results, 2)
assert.Equal(t, int64(1), results[0]["id"])
assert.Equal(t, "John Doe", results[0]["name"])
assert.NoError(t, mock.ExpectationsWereMet())
}
// TestPgSQLInsertQuery_Exec tests insert query execution
func TestPgSQLInsertQuery_Exec(t *testing.T) {
db, mock, err := sqlmock.New()
require.NoError(t, err)
defer db.Close()
mock.ExpectExec("INSERT INTO users").
WithArgs("John Doe", "john@example.com", 25).
WillReturnResult(sqlmock.NewResult(1, 1))
adapter := NewPgSQLAdapter(db)
ctx := context.Background()
result, err := adapter.NewInsert().
Table("users").
Value("name", "John Doe").
Value("email", "john@example.com").
Value("age", 25).
Exec(ctx)
require.NoError(t, err)
assert.NotNil(t, result)
assert.Equal(t, int64(1), result.RowsAffected())
assert.NoError(t, mock.ExpectationsWereMet())
}
// TestPgSQLUpdateQuery_Exec tests update query execution
func TestPgSQLUpdateQuery_Exec(t *testing.T) {
db, mock, err := sqlmock.New()
require.NoError(t, err)
defer db.Close()
// Note: Args order is SET values first, then WHERE values
mock.ExpectExec("UPDATE users SET name = \\$1 WHERE id = \\$2").
WithArgs("Jane Doe", 1).
WillReturnResult(sqlmock.NewResult(0, 1))
adapter := NewPgSQLAdapter(db)
ctx := context.Background()
result, err := adapter.NewUpdate().
Table("users").
Set("name", "Jane Doe").
Where("id = ?", 1).
Exec(ctx)
require.NoError(t, err)
assert.NotNil(t, result)
assert.Equal(t, int64(1), result.RowsAffected())
assert.NoError(t, mock.ExpectationsWereMet())
}
// TestPgSQLDeleteQuery_Exec tests delete query execution
func TestPgSQLDeleteQuery_Exec(t *testing.T) {
db, mock, err := sqlmock.New()
require.NoError(t, err)
defer db.Close()
mock.ExpectExec("DELETE FROM users WHERE id = \\$1").
WithArgs(1).
WillReturnResult(sqlmock.NewResult(0, 1))
adapter := NewPgSQLAdapter(db)
ctx := context.Background()
result, err := adapter.NewDelete().
Table("users").
Where("id = ?", 1).
Exec(ctx)
require.NoError(t, err)
assert.NotNil(t, result)
assert.Equal(t, int64(1), result.RowsAffected())
assert.NoError(t, mock.ExpectationsWereMet())
}
// TestPgSQLSelectQuery_Count tests count query
func TestPgSQLSelectQuery_Count(t *testing.T) {
db, mock, err := sqlmock.New()
require.NoError(t, err)
defer db.Close()
rows := sqlmock.NewRows([]string{"count"}).AddRow(42)
mock.ExpectQuery("SELECT COUNT\\(\\*\\) FROM users").WillReturnRows(rows)
adapter := NewPgSQLAdapter(db)
ctx := context.Background()
count, err := adapter.NewSelect().
Table("users").
Count(ctx)
require.NoError(t, err)
assert.Equal(t, 42, count)
assert.NoError(t, mock.ExpectationsWereMet())
}
// TestPgSQLSelectQuery_Exists tests exists query
func TestPgSQLSelectQuery_Exists(t *testing.T) {
db, mock, err := sqlmock.New()
require.NoError(t, err)
defer db.Close()
rows := sqlmock.NewRows([]string{"count"}).AddRow(1)
mock.ExpectQuery("SELECT COUNT\\(\\*\\) FROM users").WillReturnRows(rows)
adapter := NewPgSQLAdapter(db)
ctx := context.Background()
exists, err := adapter.NewSelect().
Table("users").
Where("email = ?", "john@example.com").
Exists(ctx)
require.NoError(t, err)
assert.True(t, exists)
assert.NoError(t, mock.ExpectationsWereMet())
}
// TestPgSQLAdapter_Transaction tests transaction handling
func TestPgSQLAdapter_Transaction(t *testing.T) {
db, mock, err := sqlmock.New()
require.NoError(t, err)
defer db.Close()
mock.ExpectBegin()
mock.ExpectExec("INSERT INTO users").WillReturnResult(sqlmock.NewResult(1, 1))
mock.ExpectCommit()
adapter := NewPgSQLAdapter(db)
ctx := context.Background()
err = adapter.RunInTransaction(ctx, func(tx common.Database) error {
_, err := tx.NewInsert().
Table("users").
Value("name", "John").
Exec(ctx)
return err
})
require.NoError(t, err)
assert.NoError(t, mock.ExpectationsWereMet())
}
// TestPgSQLAdapter_TransactionRollback tests transaction rollback
func TestPgSQLAdapter_TransactionRollback(t *testing.T) {
db, mock, err := sqlmock.New()
require.NoError(t, err)
defer db.Close()
mock.ExpectBegin()
mock.ExpectExec("INSERT INTO users").WillReturnError(sql.ErrConnDone)
mock.ExpectRollback()
adapter := NewPgSQLAdapter(db)
ctx := context.Background()
err = adapter.RunInTransaction(ctx, func(tx common.Database) error {
_, err := tx.NewInsert().
Table("users").
Value("name", "John").
Exec(ctx)
return err
})
assert.Error(t, err)
assert.NoError(t, mock.ExpectationsWereMet())
}
// TestBuildFieldMap tests field mapping construction
func TestBuildFieldMap(t *testing.T) {
userType := reflect.TypeOf(TestUser{})
fieldMap := buildFieldMap(userType, nil)
assert.NotEmpty(t, fieldMap)
// Check that fields are mapped
assert.Contains(t, fieldMap, "id")
assert.Contains(t, fieldMap, "name")
assert.Contains(t, fieldMap, "email")
assert.Contains(t, fieldMap, "age")
// Check field info
idInfo := fieldMap["id"]
assert.Equal(t, "ID", idInfo.Name)
}
// TestGetRelationMetadata tests relationship metadata extraction
func TestGetRelationMetadata(t *testing.T) {
q := &PgSQLSelectQuery{
model: &TestPost{},
}
// Test belongs-to relationship
meta := q.getRelationMetadata("User")
assert.NotNil(t, meta)
assert.Equal(t, "User", meta.fieldName)
// Test has-many relationship
meta = q.getRelationMetadata("Comments")
assert.NotNil(t, meta)
assert.Equal(t, "Comments", meta.fieldName)
}
// TestPreloadConfiguration tests preload configuration
func TestPreloadConfiguration(t *testing.T) {
db, _, err := sqlmock.New()
require.NoError(t, err)
defer db.Close()
adapter := NewPgSQLAdapter(db)
// Test Preload
query := adapter.NewSelect().
Model(&TestPost{}).
Table("posts").
Preload("User")
pgQuery := query.(*PgSQLSelectQuery)
assert.Len(t, pgQuery.preloads, 1)
assert.Equal(t, "User", pgQuery.preloads[0].relation)
assert.False(t, pgQuery.preloads[0].useJoin)
// Test PreloadRelation
query = adapter.NewSelect().
Model(&TestPost{}).
Table("posts").
PreloadRelation("Comments")
pgQuery = query.(*PgSQLSelectQuery)
assert.Len(t, pgQuery.preloads, 1)
assert.Equal(t, "Comments", pgQuery.preloads[0].relation)
// Test JoinRelation
query = adapter.NewSelect().
Model(&TestPost{}).
Table("posts").
JoinRelation("User")
pgQuery = query.(*PgSQLSelectQuery)
assert.Len(t, pgQuery.preloads, 1)
assert.Equal(t, "User", pgQuery.preloads[0].relation)
assert.True(t, pgQuery.preloads[0].useJoin)
}
// TestScanModel tests ScanModel functionality
func TestScanModel(t *testing.T) {
db, mock, err := sqlmock.New()
require.NoError(t, err)
defer db.Close()
rows := sqlmock.NewRows([]string{"id", "name", "email", "age"}).
AddRow(1, "John Doe", "john@example.com", 25)
mock.ExpectQuery("SELECT (.+) FROM users").WillReturnRows(rows)
adapter := NewPgSQLAdapter(db)
ctx := context.Background()
user := &TestUser{}
err = adapter.NewSelect().
Model(user).
Table("users").
Where("id = ?", 1).
ScanModel(ctx)
require.NoError(t, err)
assert.Equal(t, 1, user.ID)
assert.Equal(t, "John Doe", user.Name)
assert.NoError(t, mock.ExpectationsWereMet())
}
// TestRawSQL tests raw SQL execution
func TestRawSQL(t *testing.T) {
db, mock, err := sqlmock.New()
require.NoError(t, err)
defer db.Close()
// Test Exec
mock.ExpectExec("CREATE TABLE test").WillReturnResult(sqlmock.NewResult(0, 0))
adapter := NewPgSQLAdapter(db)
ctx := context.Background()
_, err = adapter.Exec(ctx, "CREATE TABLE test (id INT)")
require.NoError(t, err)
// Test Query
rows := sqlmock.NewRows([]string{"id", "name"}).AddRow(1, "Test")
mock.ExpectQuery("SELECT (.+) FROM test").WillReturnRows(rows)
var results []map[string]interface{}
err = adapter.Query(ctx, &results, "SELECT * FROM test WHERE id = $1", 1)
require.NoError(t, err)
assert.Len(t, results, 1)
assert.NoError(t, mock.ExpectationsWereMet())
}