initial pase store definitions

store/dialect_test.go

@@ -0,0 +1,68 @@
+package store
+
+import "testing"
+
+func TestSQLiteDialect_Rebind_passthrough(t *testing.T) {
+	d := SQLiteDialect{}
+	in := `SELECT * FROM pase_users WHERE email = ? AND status = ?`
+	if got := d.Rebind(in); got != in {
+		t.Errorf("SQLite Rebind should be passthrough.\nin:  %s\ngot: %s", in, got)
+	}
+}
+
+func TestPostgresDialect_Rebind(t *testing.T) {
+	cases := []struct {
+		name string
+		in   string
+		want string
+	}{
+		{
+			name: "no placeholders",
+			in:   `SELECT 1`,
+			want: `SELECT 1`,
+		},
+		{
+			name: "single placeholder",
+			in:   `SELECT * FROM pase_users WHERE id = ?`,
+			want: `SELECT * FROM pase_users WHERE id = $1`,
+		},
+		{
+			name: "multiple placeholders",
+			in:   `INSERT INTO pase_users (id, email, status) VALUES (?, ?, ?)`,
+			want: `INSERT INTO pase_users (id, email, status) VALUES ($1, $2, $3)`,
+		},
+		{
+			name: "question mark inside single-quoted literal is preserved",
+			in:   `SELECT * FROM t WHERE name = 'who?' AND id = ?`,
+			want: `SELECT * FROM t WHERE name = 'who?' AND id = $1`,
+		},
+		{
+			name: "escaped single quote inside literal",
+			in:   `SELECT * FROM t WHERE name = 'O''Reilly?' AND id = ?`,
+			want: `SELECT * FROM t WHERE name = 'O''Reilly?' AND id = $1`,
+		},
+		{
+			name: "question mark inside double-quoted identifier is preserved",
+			in:   `SELECT "weird?col" FROM t WHERE id = ?`,
+			want: `SELECT "weird?col" FROM t WHERE id = $1`,
+		},
+		{
+			name: "escaped double quote inside identifier",
+			in:   `SELECT "a""?b" FROM t WHERE id = ?`,
+			want: `SELECT "a""?b" FROM t WHERE id = $1`,
+		},
+		{
+			name: "mix of literals and placeholders",
+			in:   `UPDATE t SET name = 'foo?', other = ? WHERE id = ? AND tag = 'x?'`,
+			want: `UPDATE t SET name = 'foo?', other = $1 WHERE id = $2 AND tag = 'x?'`,
+		},
+	}
+	d := PostgresDialect{}
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			if got := d.Rebind(tc.in); got != tc.want {
+				t.Errorf("Rebind mismatch\nin:   %s\nwant: %s\ngot:  %s", tc.in, tc.want, got)
+			}
+		})
+	}
+}