From: Daniele Varrazzo <daniele.varrazzo@gmail.com>
Date: Fri, 20 May 2022 07:53:20 +0000 (+0200)
Subject: test(crdb): add async copy tests
X-Git-Tag: 3.1~49^2~58
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=7e1bb3b6c5521ea5e759b415f5dc1e313421f803;p=thirdparty%2Fpsycopg.git

test(crdb): add async copy tests
---

diff --git a/tests/crdb/test_copy.py b/tests/crdb/test_copy.py
index 76ca461cc..1dd7d32a6 100644
--- a/tests/crdb/test_copy.py
+++ b/tests/crdb/test_copy.py
@@ -8,10 +8,11 @@ from psycopg.types.numeric import Int4
 
 from ..utils import eur
 from ..test_copy import sample_text, sample_binary  # noqa
-from ..test_copy import ensure_table, sample_tabledef, sample_records
+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.replace("int", "int4").replace("serial", "int4")
+sample_tabledef = sample_tabledef_pg.replace("int", "int4").replace("serial", "int4")
 
 pytestmark = pytest.mark.crdb
 
@@ -172,3 +173,6 @@ from copy_in group by 1, 2, 3
 
 def copyopt(format):
     return "with binary" if format == Format.BINARY else ""
+
+
+# TODOCRDB: random tests
diff --git a/tests/crdb/test_copy_async.py b/tests/crdb/test_copy_async.py
new file mode 100644
index 000000000..b156266b9
--- /dev/null
+++ b/tests/crdb/test_copy_async.py
@@ -0,0 +1,180 @@
+import pytest
+import string
+from random import randrange, choice
+
+from psycopg.pq import Format
+from psycopg import errors as e
+from psycopg.types.numeric import Int4
+
+from ..utils import eur
+from ..test_copy import sample_text, sample_binary  # noqa
+from ..test_copy import sample_records
+from ..test_copy_async import ensure_table
+from .test_copy import sample_tabledef, copyopt
+
+pytestmark = [pytest.mark.crdb, pytest.mark.asyncio]
+
+
+@pytest.mark.parametrize(
+    "format, buffer",
+    [(Format.TEXT, "sample_text"), (Format.BINARY, "sample_binary")],
+)
+async def test_copy_in_buffers(aconn, format, buffer):
+    cur = aconn.cursor()
+    await ensure_table(cur, sample_tabledef)
+    async with cur.copy(f"copy copy_in from stdin {copyopt(format)}") as copy:
+        await copy.write(globals()[buffer])
+
+    await cur.execute("select * from copy_in order by 1")
+    data = await cur.fetchall()
+    assert data == sample_records
+
+
+async def test_copy_in_buffers_pg_error(aconn):
+    cur = aconn.cursor()
+    await ensure_table(cur, sample_tabledef)
+    with pytest.raises(e.UniqueViolation):
+        async with cur.copy("copy copy_in from stdin") as copy:
+            await copy.write(sample_text)
+            await copy.write(sample_text)
+    assert aconn.info.transaction_status == aconn.TransactionStatus.INERROR
+
+
+async def test_copy_in_str(aconn):
+    cur = aconn.cursor()
+    await ensure_table(cur, sample_tabledef)
+    async with cur.copy("copy copy_in from stdin") as copy:
+        await copy.write(sample_text.decode())
+
+    await cur.execute("select * from copy_in order by 1")
+    data = await cur.fetchall()
+    assert data == sample_records
+
+
+@pytest.mark.xfail(reason="bad sqlstate - CRDB #81559")
+async def test_copy_in_error(aconn):
+    cur = aconn.cursor()
+    await ensure_table(cur, sample_tabledef)
+    with pytest.raises(e.QueryCanceled):
+        async with cur.copy("copy copy_in from stdin with binary") as copy:
+            await copy.write(sample_text.decode())
+
+    assert aconn.info.transaction_status == aconn.TransactionStatus.INERROR
+
+
+@pytest.mark.parametrize("format", Format)
+async def test_copy_in_empty(aconn, format):
+    cur = aconn.cursor()
+    await ensure_table(cur, sample_tabledef)
+    async with cur.copy(f"copy copy_in from stdin {copyopt(format)}"):
+        pass
+
+    assert aconn.info.transaction_status == aconn.TransactionStatus.INTRANS
+    assert cur.rowcount == 0
+
+
+@pytest.mark.slow
+async def test_copy_big_size_record(aconn):
+    cur = aconn.cursor()
+    await ensure_table(cur, "id serial primary key, data text")
+    data = "".join(chr(randrange(1, 256)) for i in range(10 * 1024 * 1024))
+    async with cur.copy("copy copy_in (data) from stdin") as copy:
+        await copy.write_row([data])
+
+    await cur.execute("select data from copy_in limit 1")
+    assert (await cur.fetchone())[0] == data
+
+
+@pytest.mark.slow
+async def test_copy_big_size_block(aconn):
+    cur = aconn.cursor()
+    await 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"
+    async with cur.copy("copy copy_in (data) from stdin") as copy:
+        await copy.write(copy_data)
+
+    await cur.execute("select data from copy_in limit 1")
+    assert (await cur.fetchone())[0] == data
+
+
+async def test_copy_in_buffers_with_pg_error(aconn):
+    cur = aconn.cursor()
+    await ensure_table(cur, sample_tabledef)
+    with pytest.raises(e.UniqueViolation):
+        async with cur.copy("copy copy_in from stdin") as copy:
+            await copy.write(sample_text)
+            await copy.write(sample_text)
+
+    assert aconn.info.transaction_status == aconn.TransactionStatus.INERROR
+
+
+@pytest.mark.parametrize("format", Format)
+async def test_copy_in_records(aconn, format):
+    cur = aconn.cursor()
+    await ensure_table(cur, sample_tabledef)
+
+    async 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]
+            await copy.write_row(row)
+
+    await cur.execute("select * from copy_in order by 1")
+    data = await cur.fetchall()
+    assert data == sample_records
+
+
+@pytest.mark.parametrize("format", Format)
+async def test_copy_in_records_set_types(aconn, format):
+    cur = aconn.cursor()
+    await ensure_table(cur, sample_tabledef)
+
+    async with cur.copy(f"copy copy_in from stdin {copyopt(format)}") as copy:
+        copy.set_types(["int4", "int4", "text"])
+        for row in sample_records:
+            await copy.write_row(row)
+
+    await cur.execute("select * from copy_in order by 1")
+    data = await cur.fetchall()
+    assert data == sample_records
+
+
+@pytest.mark.parametrize("format", Format)
+async def test_copy_in_records_binary(aconn, format):
+    cur = aconn.cursor()
+    await ensure_table(cur, "col1 serial primary key, col2 int4, data text")
+
+    async with cur.copy(
+        f"copy copy_in (col2, data) from stdin {copyopt(format)}"
+    ) as copy:
+        for row in sample_records:
+            await copy.write_row((None, row[2]))
+
+    await cur.execute("select col2, data from copy_in order by 2")
+    data = await cur.fetchall()
+    assert data == [(None, "hello"), (None, "world")]
+
+
+async def test_copy_in_allchars(aconn):
+    cur = aconn.cursor()
+    await ensure_table(cur, "col1 int primary key, col2 int, data text")
+
+    async with cur.copy("copy copy_in from stdin") as copy:
+        for i in range(1, 256):
+            await copy.write_row((i, None, chr(i)))
+        await copy.write_row((ord(eur), None, eur))
+
+    await cur.execute(
+        """
+select col1 = ascii(data), col2 is null, length(data), count(*)
+from copy_in group by 1, 2, 3
+"""
+    )
+    data = await cur.fetchall()
+    assert data == [(True, True, 1, 256)]
+
+
+# TODOCRDB: random tests