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# fmt: off
import pytest
import subprocess
import sys
from typing import List
from conftest import ShellTest
from conftest import json_extension
import os
@pytest.mark.skipif(os.name == 'nt', reason="Skipped on windows")
class TestReadFromStdin(object):
def test_read_stdin_direct(self, shell):
test = (
ShellTest(shell)
.input_file('data/csv/test/test.csv')
.statement("""create table mytable as select * from read_text('/dev/stdin')""")
.statement("select length(content) as len from mytable;")
.add_argument(
'-csv',
':memory:'
)
)
result = test.run()
result.check_stdout("len")
result.check_stdout('77780')
def test_read_stdin_csv(self, shell):
test = (
ShellTest(shell)
.input_file('data/csv/test/test.csv')
.statement("""
create table mytable as select * from
read_csv('/dev/stdin',
columns=STRUCT_PACK(foo := 'INTEGER', bar := 'INTEGER', baz := 'VARCHAR'),
AUTO_DETECT='false'
)
""")
.statement("select * from mytable limit 1;")
.add_argument(
'-csv',
':memory:'
)
)
result = test.run()
result.check_stdout("foo,bar,baz")
result.check_stdout('0,0, test')
def test_read_stdin_csv_where_filename(self, shell):
test = (
ShellTest(shell)
.input_file('data/csv/test/test.csv')
.statement("""
SELECT * FROM read_csv_auto(
'data/csv/bug_9005/teste*.csv',
header=TRUE,
filename=true,
union_by_name=True
) where filename='data/csv/bug_9005/teste1.csv'
""")
.add_argument(
'-csv',
':memory:'
)
)
result = test.run()
result.check_stdout([
'id,name,factor,filename',
'1,Ricardo,1.5,data/csv/bug_9005/teste1.csv',
'2,Jose,2.0,data/csv/bug_9005/teste1.csv'
])
def test_read_stdin_csv_auto(self, shell):
test = (
ShellTest(shell)
.input_file('data/csv/test/test.csv')
.statement("""
create table mytable as select * from
read_csv_auto('/dev/stdin')
""")
.statement("select * from mytable limit 1;")
.add_argument(
'-csv',
':memory:'
)
)
result = test.run()
result.check_stdout("column0,column1,column2")
result.check_stdout('0,0, test')
def test_split_part_csv(self, shell):
test = (
ShellTest(shell)
.input_file('data/csv/split_part.csv')
.statement("""
FROM read_csv('/dev/stdin') select split_part(C1, ',', 2) as res;
""")
.add_argument(
'-csv',
':memory:'
)
)
result = test.run()
result.check_stdout("res")
result.check_stdout('12')
result.check_stdout('12')
def test_read_stdin_csv_auto_projection(self, shell):
test = (
ShellTest(shell)
.input_file('data/csv/tpcds_14.csv')
.statement("""
create table mytable as select * from
read_csv_auto('/dev/stdin')
""")
.statement("select channel,i_brand_id,sum_sales,number_sales from mytable;")
.add_argument(
'-csv',
':memory:'
)
)
result = test.run()
result.check_stdout("web,8006004,844.21,21")
def test_read_stdin_ndjson(self, shell, json_extension):
test = (
ShellTest(shell)
.input_file('data/json/example_rn.ndjson')
.statement("""
create table mytable as select * from
read_ndjson_objects('/dev/stdin')
""")
.statement("select * from mytable;")
.add_argument(
'-list',
':memory:'
)
)
result = test.run()
result.check_stdout([
"json",
'{"id":1,"name":"O Brother, Where Art Thou?"}',
'{"id":2,"name":"Home for the Holidays"}',
'{"id":3,"name":"The Firm"}',
'{"id":4,"name":"Broadcast News"}',
'{"id":5,"name":"Raising Arizona"}'
])
def test_read_stdin_json_auto(self, shell, json_extension):
test = (
ShellTest(shell)
.input_file('data/json/example_rn.ndjson')
.statement("""
create table mytable as select * from
read_json_auto('/dev/stdin')
""")
.statement("select * from mytable;")
.add_argument(
'-list',
':memory:'
)
)
result = test.run()
result.check_stdout([
'id|name',
'1|O Brother, Where Art Thou?',
'2|Home for the Holidays',
'3|The Firm',
'4|Broadcast News',
'5|Raising Arizona'
])
def test_read_stdin_json_array(self, shell, json_extension):
test = (
ShellTest(shell)
.input_file('data/json/11407.json')
.statement("""
create table mytable as select * from
read_json_auto('/dev/stdin')
""")
.statement("select * from mytable;")
.add_argument(
'-list',
':memory:'
)
)
result = test.run()
result.check_stdout([
'k',
'v',
'v2'
])
def test_read_stdin_json_auto_recursive_cte(self, shell, json_extension):
# FIXME: disabled for now
return
test = (
ShellTest(shell)
.input_file('data/json/filter_keystage.ndjson')
.statement("""
CREATE TABLE mytable AS
WITH RECURSIVE nums AS (
SELECT 0 AS n
UNION ALL
SELECT n + 1
FROM nums
WHERE n < (
SELECT MAX(JSON_ARRAY_LENGTH(filter_keystage))::int - 1
FROM read_json_auto('/dev/stdin'))
) SELECT * FROM nums;
""")
.statement("select * from mytable;")
.add_argument(
'-list',
':memory:'
)
)
result = test.run()
result.check_stdout([
'n',
'0',
'1',
'2',
])
@pytest.mark.parametrize("alias", [
"'/dev/stdout'",
'stdout'
])
def test_copy_to_stdout(self, shell, alias):
test = (
ShellTest(shell)
.statement(f"COPY (SELECT 42) TO {alias};")
)
result = test.run()
result.check_stdout('42')
@pytest.mark.parametrize("alias", [
"'/dev/stdout'",
'stdout'
])
def test_copy_csv_to_stdout(self, shell, alias):
test = (
ShellTest(shell)
.statement(f"COPY (SELECT 42) TO {alias} WITH (FORMAT 'csv');")
.add_argument(
'-csv',
':memory:'
)
)
result = test.run()
result.check_stdout('42')
@pytest.mark.parametrize("alias", [
"'/dev/stderr'"
])
def test_copy_csv_to_stderr(self, shell, alias):
test = (
ShellTest(shell)
.statement(f"COPY (SELECT 42) TO {alias} WITH (FORMAT 'csv');")
.add_argument(
'-csv',
':memory:'
)
)
result = test.run()
result.check_stderr('42')
def test_copy_non_inlined_string(self, shell):
test = (
ShellTest(shell)
.statement("select list(concat('thisisalongstring', range::VARCHAR)) i from range(10000)")
)
result = test.run()
result.check_stdout('thisisalongstring')
def test_write_to_stdout_piped_to_file(self, shell, random_filepath):
test = (
ShellTest(shell)
.statement("copy (select * from range(10000) tbl(i)) to '/dev/stdout' (format csv)")
.output_file(random_filepath.as_posix())
)
result = test.run()
result.check_stdout('9999')
# fmt: on
|
