Files
chaisql/internal/query/statement/delete_test.go
Asdine El Hrychy 6bc4992d70 db: add Connection
2024-02-20 09:38:56 +04:00

67 lines
2.1 KiB
Go

package statement_test
import (
"bytes"
"testing"
"github.com/chaisql/chai"
"github.com/stretchr/testify/require"
)
func TestDeleteStmt(t *testing.T) {
tests := []struct {
name string
query string
fails bool
expected string
params []interface{}
}{
{"No cond", `DELETE FROM test`, false, "[]", nil},
{"With cond", "DELETE FROM test WHERE b = 'bar1'", false, `[{"id": 3}]`, nil},
{"With offset", "DELETE FROM test OFFSET 1", false, `[{"id":1}]`, nil},
{"With order by then offset", "DELETE FROM test ORDER BY n OFFSET 1", false, `[{"id": 3}]`, nil},
{"With order by DESC then offset", "DELETE FROM test ORDER BY n DESC OFFSET 1", false, `[{"id":1}]`, nil},
{"With limit", "DELETE FROM test ORDER BY n LIMIT 2", false, `[{"id":1}]`, nil},
{"With order by then limit then offset", "DELETE FROM test ORDER BY n LIMIT 1 OFFSET 1", false, `[{"id":1}, {"id": 3}]`, nil},
{"Table not found", "DELETE FROM foo WHERE b = 'bar1'", true, "[]", nil},
{"Read-only table", "DELETE FROM __chai_catalog", true, "[]", nil},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
db, err := chai.Open(":memory:")
require.NoError(t, err)
defer db.Close()
conn, err := db.Connect()
require.NoError(t, err)
defer conn.Close()
err = db.Exec("CREATE TABLE test(id INT PRIMARY KEY, a TEXT, b TEXT, c TEXT, d TEXT, e TEXT, n INT)")
require.NoError(t, err)
err = db.Exec("INSERT INTO test (id, a, b, c, n) VALUES (1, 'foo1', 'bar1', 'baz1', 3)")
require.NoError(t, err)
err = db.Exec("INSERT INTO test (id, a, b, n) VALUES (2, 'foo2', 'bar1', 2)")
require.NoError(t, err)
err = db.Exec("INSERT INTO test (id, d, b, e, n) VALUES (3, 'foo3', 'bar2', 'bar3', 1)")
require.NoError(t, err)
err = conn.Exec(test.query, test.params...)
if test.fails {
require.Error(t, err)
return
}
require.NoError(t, err)
st, err := conn.Query("SELECT id FROM test")
require.NoError(t, err)
defer st.Close()
var buf bytes.Buffer
err = st.MarshalJSONTo(&buf)
require.NoError(t, err)
require.JSONEq(t, test.expected, buf.String())
})
}
}