gdal/autotest/gcore/vsiadls_real_instance.py

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#!/usr/bin/env pytest
###############################################################################
# $Id$
#
# Project: GDAL/OGR Test Suite
# Purpose: Test /vsiadls
# Author: Even Rouault <even dot rouault at spatialys dot com>
#
###############################################################################
# Copyright (c) 2020 Even Rouault <even dot rouault at spatialys dot com>
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
###############################################################################
import base64
import stat
import pytest
from osgeo import gdal
pytestmark = pytest.mark.require_curl()
def open_for_read(uri):
"""
Opens a test file for reading.
"""
return gdal.VSIFOpenExL(uri, "rb", 1)
###############################################################################
# Nominal cases (require valid credentials)
def test_vsiadls_real_instance_tests():
adls_resource = gdal.GetConfigOption("ADLS_RESOURCE")
if adls_resource is None:
pytest.skip("Missing ADLS_RESOURCE")
if "/" not in adls_resource:
path = "/vsiadls/" + adls_resource
try:
statres = gdal.VSIStatL(path)
assert statres is not None and stat.S_ISDIR(statres.mode), (
"%s is not a valid bucket" % path
)
readdir = gdal.ReadDir(path)
assert readdir is not None, "ReadDir() should not return empty list"
for filename in readdir:
if filename != ".":
subpath = path + "/" + filename
assert gdal.VSIStatL(subpath) is not None, (
"Stat(%s) should not return an error" % subpath
)
unique_id = "vsiadls_test"
subpath = path + "/" + unique_id
ret = gdal.Mkdir(subpath, 0)
assert ret >= 0, "Mkdir(%s) should not return an error" % subpath
readdir = gdal.ReadDir(path)
assert unique_id in readdir, "ReadDir(%s) should contain %s" % (
path,
unique_id,
)
ret = gdal.Mkdir(subpath, 0)
assert ret != 0, "Mkdir(%s) repeated should return an error" % subpath
ret = gdal.Rmdir(subpath)
assert ret >= 0, "Rmdir(%s) should not return an error" % subpath
readdir = gdal.ReadDir(path)
assert unique_id not in readdir, "ReadDir(%s) should not contain %s" % (
path,
unique_id,
)
ret = gdal.Rmdir(subpath)
assert ret != 0, "Rmdir(%s) repeated should return an error" % subpath
ret = gdal.Mkdir(subpath, 0)
assert ret >= 0, "Mkdir(%s) should not return an error" % subpath
f = gdal.VSIFOpenL(subpath + "/test.txt", "wb")
assert f is not None
gdal.VSIFWriteL("hello", 1, 5, f)
gdal.VSIFCloseL(f)
ret = gdal.Rmdir(subpath)
assert ret != 0, (
"Rmdir(%s) on non empty directory should return an error" % subpath
)
f = gdal.VSIFOpenL(subpath + "/test.txt", "rb")
assert f is not None
data = gdal.VSIFReadL(1, 5, f).decode("utf-8")
assert data == "hello"
gdal.VSIFCloseL(f)
assert gdal.VSIStatL(subpath + "/test.txt") is not None
md = gdal.GetFileMetadata(subpath + "/test.txt", "HEADERS")
assert "x-ms-properties" in md
md = gdal.GetFileMetadata(subpath + "/test.txt", "STATUS")
assert "x-ms-resource-type" in md
assert "x-ms-properties" not in md
md = gdal.GetFileMetadata(subpath + "/test.txt", "ACL")
assert "x-ms-acl" in md
assert "x-ms-permissions" in md
# Change properties
properties_foo_bar = "foo=" + base64.b64encode("bar")
assert gdal.SetFileMetadata(
subpath + "/test.txt",
{"x-ms-properties": properties_foo_bar},
"PROPERTIES",
)
md = gdal.GetFileMetadata(subpath + "/test.txt", "HEADERS")
assert "x-ms-properties" in md
assert md["x-ms-properties"] == properties_foo_bar
# Change ACL
assert gdal.SetFileMetadata(
subpath + "/test.txt", {"x-ms-permissions": "0777"}, "ACL"
)
md = gdal.GetFileMetadata(subpath + "/test.txt", "ACL")
assert "x-ms-permissions" in md
assert md["x-ms-permissions"] == "rwxrwxrwx"
# Change ACL recursively
md = gdal.GetFileMetadata(subpath, "ACL")
assert "x-ms-acl" in md
assert gdal.SetFileMetadata(
subpath + "/test.txt",
{"x-ms-acl": md["x-ms-acl"]},
"ACL",
["RECURSIVE=YES", "MODE=set"],
)
assert gdal.Rename(subpath + "/test.txt", subpath + "/test2.txt") == 0
assert gdal.VSIStatL(subpath + "/test.txt") is None
assert gdal.VSIStatL(subpath + "/test2.txt") is not None
f = gdal.VSIFOpenL(subpath + "/test2.txt", "rb")
assert f is not None
data = gdal.VSIFReadL(1, 5, f).decode("utf-8")
assert data == "hello"
gdal.VSIFCloseL(f)
ret = gdal.Unlink(subpath + "/test2.txt")
assert ret >= 0, "Unlink(%s) should not return an error" % (
subpath + "/test2.txt"
)
assert gdal.VSIStatL(subpath + "/test2.txt") is None
assert (
gdal.Unlink(subpath + "/test2.txt") != 0
), "Unlink on a deleted file should return an error"
f = gdal.VSIFOpenL(subpath + "/test2.txt", "wb")
assert f is not None
gdal.VSIFCloseL(f)
assert gdal.VSIStatL(subpath + "/test2.txt") is not None
finally:
assert gdal.RmdirRecursive(subpath) == 0
return
f = open_for_read("/vsiadls/" + adls_resource)
assert f is not None
ret = gdal.VSIFReadL(1, 1, f)
gdal.VSIFCloseL(f)
assert len(ret) == 1
# Test GetSignedURL()
signed_url = gdal.GetSignedURL("/vsiadls/" + adls_resource)
f = open_for_read("/vsicurl_streaming/" + signed_url)
assert f is not None
ret = gdal.VSIFReadL(1, 1, f)
gdal.VSIFCloseL(f)
assert len(ret) == 1
###############################################################################
# Nominal cases (require valid credentials)
# Note: that test must be run with a delay > 30 seconds due to such a delay
# for re-creating a filesystem of the same name of one that has been destroyed
def test_vsiadls_real_instance_filesystem_tests():
if gdal.GetConfigOption("ADLS_ALLOW_FILESYSTEM_TESTS") is None:
pytest.skip("Missing ADLS_ALLOW_FILESYSTEM_TESTS")
fspath = "/vsiadls/test-vsiadls-filesystem-tests"
try:
assert gdal.VSIStatL(fspath) is None
assert gdal.Mkdir(fspath, 0) == 0
statres = gdal.VSIStatL(fspath)
assert statres is not None and stat.S_ISDIR(statres.mode)
assert gdal.ReadDir(fspath) == ["."]
assert gdal.Mkdir(fspath, 0) != 0
assert gdal.Mkdir(fspath + "/subdir", 0) == 0
statres = gdal.VSIStatL(fspath + "/subdir")
assert statres is not None and stat.S_ISDIR(statres.mode)
assert gdal.Rmdir(fspath) != 0
finally:
assert gdal.RmdirRecursive(fspath) == 0
assert gdal.VSIStatL(fspath) is None