1 files changed, 233 insertions, 0 deletions
diff --git a/tests/crdb/test_copy.py b/tests/crdb/test_copy.py
new file mode 100644
index 0000000..b7d26aa
--- /dev/null
+++ b/tests/crdb/test_copy.py
@@ -0,0 +1,233 @@
+import pytest
+import string
+from random import randrange, choice
+
+from psycopg import sql, errors as e
+from psycopg.pq import Format
+from psycopg.adapt import PyFormat
+from psycopg.types.numeric import Int4
+
+from ..utils import eur, gc_collect, gc_count
+from ..test_copy import sample_text, sample_binary  # noqa
+from ..test_copy import ensure_table, sample_records
+from ..test_copy import sample_tabledef as sample_tabledef_pg
+
+# CRDB int/serial are int8
+sample_tabledef = sample_tabledef_pg.replace("int", "int4").replace("serial", "int4")
+
+pytestmark = pytest.mark.crdb
+
+
+@pytest.mark.parametrize(
+    "format, buffer",
+    [(Format.TEXT, "sample_text"), (Format.BINARY, "sample_binary")],
+)
+def test_copy_in_buffers(conn, format, buffer):
+    cur = conn.cursor()
+    ensure_table(cur, sample_tabledef)
+    with cur.copy(f"copy copy_in from stdin {copyopt(format)}") as copy:
+        copy.write(globals()[buffer])
+
+    data = cur.execute("select * from copy_in order by 1").fetchall()
+    assert data == sample_records
+
+
+def test_copy_in_buffers_pg_error(conn):
+    cur = conn.cursor()
+    ensure_table(cur, sample_tabledef)
+    with pytest.raises(e.UniqueViolation):
+        with cur.copy("copy copy_in from stdin") as copy:
+            copy.write(sample_text)
+            copy.write(sample_text)
+    assert conn.info.transaction_status == conn.TransactionStatus.INERROR
+
+
+def test_copy_in_str(conn):
+    cur = conn.cursor()
+    ensure_table(cur, sample_tabledef)
+    with cur.copy("copy copy_in from stdin") as copy:
+        copy.write(sample_text.decode())
+
+    data = cur.execute("select * from copy_in order by 1").fetchall()
+    assert data == sample_records
+
+
+@pytest.mark.xfail(reason="bad sqlstate - CRDB #81559")
+def test_copy_in_error(conn):
+    cur = conn.cursor()
+    ensure_table(cur, sample_tabledef)
+    with pytest.raises(e.QueryCanceled):
+        with cur.copy("copy copy_in from stdin with binary") as copy:
+            copy.write(sample_text.decode())
+
+    assert conn.info.transaction_status == conn.TransactionStatus.INERROR
+
+
+@pytest.mark.parametrize("format", Format)
+def test_copy_in_empty(conn, format):
+    cur = conn.cursor()
+    ensure_table(cur, sample_tabledef)
+    with cur.copy(f"copy copy_in from stdin {copyopt(format)}"):
+        pass
+
+    assert conn.info.transaction_status == conn.TransactionStatus.INTRANS
+    assert cur.rowcount == 0
+
+
+@pytest.mark.slow
+def test_copy_big_size_record(conn):
+    cur = conn.cursor()
+    ensure_table(cur, "id serial primary key, data text")
+    data = "".join(chr(randrange(1, 256)) for i in range(10 * 1024 * 1024))
+    with cur.copy("copy copy_in (data) from stdin") as copy:
+        copy.write_row([data])
+
+    cur.execute("select data from copy_in limit 1")
+    assert cur.fetchone()[0] == data
+
+
+@pytest.mark.slow
+def test_copy_big_size_block(conn):
+    cur = conn.cursor()
+    ensure_table(cur, "id serial primary key, data text")
+    data = "".join(choice(string.ascii_letters) for i in range(10 * 1024 * 1024))
+    copy_data = data + "\n"
+    with cur.copy("copy copy_in (data) from stdin") as copy:
+        copy.write(copy_data)
+
+    cur.execute("select data from copy_in limit 1")
+    assert cur.fetchone()[0] == data
+
+
+def test_copy_in_buffers_with_pg_error(conn):
+    cur = conn.cursor()
+    ensure_table(cur, sample_tabledef)
+    with pytest.raises(e.UniqueViolation):
+        with cur.copy("copy copy_in from stdin") as copy:
+            copy.write(sample_text)
+            copy.write(sample_text)
+
+    assert conn.info.transaction_status == conn.TransactionStatus.INERROR
+
+
+@pytest.mark.parametrize("format", Format)
+def test_copy_in_records(conn, format):
+    cur = conn.cursor()
+    ensure_table(cur, sample_tabledef)
+
+    with cur.copy(f"copy copy_in from stdin {copyopt(format)}") as copy:
+        for row in sample_records:
+            if format == Format.BINARY:
+                row = tuple(
+                    Int4(i) if isinstance(i, int) else i for i in row
+                )  # type: ignore[assignment]
+            copy.write_row(row)
+
+    data = cur.execute("select * from copy_in order by 1").fetchall()
+    assert data == sample_records
+
+
+@pytest.mark.parametrize("format", Format)
+def test_copy_in_records_set_types(conn, format):
+    cur = conn.cursor()
+    ensure_table(cur, sample_tabledef)
+
+    with cur.copy(f"copy copy_in from stdin {copyopt(format)}") as copy:
+        copy.set_types(["int4", "int4", "text"])
+        for row in sample_records:
+            copy.write_row(row)
+
+    data = cur.execute("select * from copy_in order by 1").fetchall()
+    assert data == sample_records
+
+
+@pytest.mark.parametrize("format", Format)
+def test_copy_in_records_binary(conn, format):
+    cur = conn.cursor()
+    ensure_table(cur, "col1 serial primary key, col2 int4, data text")
+
+    with cur.copy(f"copy copy_in (col2, data) from stdin {copyopt(format)}") as copy:
+        for row in sample_records:
+            copy.write_row((None, row[2]))
+
+    data = cur.execute("select col2, data from copy_in order by 2").fetchall()
+    assert data == [(None, "hello"), (None, "world")]
+
+
+@pytest.mark.crdb_skip("copy canceled")
+def test_copy_in_buffers_with_py_error(conn):
+    cur = conn.cursor()
+    ensure_table(cur, sample_tabledef)
+    with pytest.raises(e.QueryCanceled) as exc:
+        with cur.copy("copy copy_in from stdin") as copy:
+            copy.write(sample_text)
+            raise Exception("nuttengoggenio")
+
+    assert "nuttengoggenio" in str(exc.value)
+    assert conn.info.transaction_status == conn.TransactionStatus.INERROR
+
+
+def test_copy_in_allchars(conn):
+    cur = conn.cursor()
+    ensure_table(cur, "col1 int primary key, col2 int, data text")
+
+    with cur.copy("copy copy_in from stdin") as copy:
+        for i in range(1, 256):
+            copy.write_row((i, None, chr(i)))
+        copy.write_row((ord(eur), None, eur))
+
+    data = cur.execute(
+        """
+select col1 = ascii(data), col2 is null, length(data), count(*)
+from copy_in group by 1, 2, 3
+"""
+    ).fetchall()
+    assert data == [(True, True, 1, 256)]
+
+
+@pytest.mark.slow
+@pytest.mark.parametrize(
+    "fmt, set_types",
+    [(Format.TEXT, True), (Format.TEXT, False), (Format.BINARY, True)],
+)
+@pytest.mark.crdb_skip("copy array")
+def test_copy_from_leaks(conn_cls, dsn, faker, fmt, set_types):
+    faker.format = PyFormat.from_pq(fmt)
+    faker.choose_schema(ncols=20)
+    faker.make_records(20)
+
+    def work():
+        with conn_cls.connect(dsn) as conn:
+            with conn.cursor(binary=fmt) as cur:
+                cur.execute(faker.drop_stmt)
+                cur.execute(faker.create_stmt)
+
+                stmt = sql.SQL("copy {} ({}) from stdin {}").format(
+                    faker.table_name,
+                    sql.SQL(", ").join(faker.fields_names),
+                    sql.SQL("with binary" if fmt else ""),
+                )
+                with cur.copy(stmt) as copy:
+                    if set_types:
+                        copy.set_types(faker.types_names)
+                    for row in faker.records:
+                        copy.write_row(row)
+
+                cur.execute(faker.select_stmt)
+                recs = cur.fetchall()
+
+                for got, want in zip(recs, faker.records):
+                    faker.assert_record(got, want)
+
+    gc_collect()
+    n = []
+    for i in range(3):
+        work()
+        gc_collect()
+        n.append(gc_count())
+
+    assert n[0] == n[1] == n[2], f"objects leaked: {n[1] - n[0]}, {n[2] - n[1]}"
+
+
+def copyopt(format):
+    return "with binary" if format == Format.BINARY else ""