Files
chaisql/internal/query/statement/delete_test.go
2021-05-30 12:47:17 +04:00

64 lines
2.2 KiB
Go

package statement_test
import (
"bytes"
"testing"
"github.com/genjidb/genji"
"github.com/genjidb/genji/internal/testutil"
"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, `[{"d": "foo3", "b": "bar2", "e": "bar3", "n": 1}]`, nil},
{"With offset", "DELETE FROM test OFFSET 1", false, `[{"a":"foo1", "b":"bar1", "c":"baz1", "n": 3}]`, nil},
{"With order by then offset", "DELETE FROM test ORDER BY n OFFSET 1", false, `[{"d":"foo3", "b":"bar2", "e":"bar3", "n": 1}]`, nil},
{"With order by DESC then offset", "DELETE FROM test ORDER BY n DESC OFFSET 1", false, `[{"a": "foo1", "b": "bar1", "c": "baz1", "n": 3}]`, nil},
{"With limit", "DELETE FROM test ORDER BY n LIMIT 2", false, `[{"a":"foo1", "b":"bar1", "c":"baz1", "n": 3}]`, nil},
{"With order by then limit then offset", "DELETE FROM test ORDER BY n LIMIT 1 OFFSET 1", false, `[{"a": "foo1", "b": "bar1", "c": "baz1", "n": 3}, {"d": "foo3", "b": "bar2", "e": "bar3", "n": 1}]`, nil},
{"Table not found", "DELETE FROM foo WHERE b = 'bar1'", true, "[]", nil},
{"Read-only table", "DELETE FROM __genji_tables", true, "[]", nil},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
db, err := genji.Open(":memory:")
require.NoError(t, err)
defer db.Close()
err = db.Exec("CREATE TABLE test")
require.NoError(t, err)
err = db.Exec("INSERT INTO test (a, b, c, n) VALUES ('foo1', 'bar1', 'baz1', 3)")
require.NoError(t, err)
err = db.Exec("INSERT INTO test (a, b, n) VALUES ('foo2', 'bar1', 2)")
require.NoError(t, err)
err = db.Exec("INSERT INTO test (d, b, e, n) VALUES ('foo3', 'bar2', 'bar3', 1)")
require.NoError(t, err)
err = db.Exec(test.query, test.params...)
if test.fails {
require.Error(t, err)
return
}
require.NoError(t, err)
st, err := db.Query("SELECT * FROM test")
require.NoError(t, err)
defer st.Close()
var buf bytes.Buffer
err = testutil.IteratorToJSONArray(&buf, st)
require.NoError(t, err)
require.JSONEq(t, test.expected, buf.String())
})
}
}