127 строки
4.0 KiB
Python
Исполняемый файл
127 строки
4.0 KiB
Python
Исполняемый файл
#!/usr/bin/env pytest
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###############################################################################
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# $Id$
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#
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# Project: GDAL/OGR Test Suite
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# Purpose: Test /vsicurl_streaming
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# Author: Even Rouault <even dot rouault at spatialys.com>
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#
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###############################################################################
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# Copyright (c) 2012-2013, Even Rouault <even dot rouault at spatialys.com>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# the rights to use, copy, modify, merge, publish, distribute, sublicense,
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# and/or sell copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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# DEALINGS IN THE SOFTWARE.
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###############################################################################
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import time
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import gdaltest
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import pytest
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from osgeo import gdal
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pytestmark = pytest.mark.require_curl()
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###############################################################################
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#
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def test_vsicurl_streaming_1():
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with gdal.config_option("GDAL_HTTP_CONNECTTIMEOUT", "5"):
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fp = gdal.VSIFOpenL(
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"/vsicurl_streaming/http://download.osgeo.org/gdal/data/usgsdem/cded/114p01_0100_deme.dem",
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"rb",
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)
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if fp is None:
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if (
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gdaltest.gdalurlopen(
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"http://download.osgeo.org/gdal/data/usgsdem/cded/114p01_0100_deme.dem",
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timeout=4,
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)
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is None
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):
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pytest.skip("cannot open URL")
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pytest.fail()
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if gdal.VSIFTellL(fp) != 0:
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gdal.VSIFCloseL(fp)
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pytest.fail()
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data = gdal.VSIFReadL(1, 50, fp)
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if data.decode("ascii") != " 114p01DEMe Base Ma":
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gdal.VSIFCloseL(fp)
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pytest.fail()
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if gdal.VSIFTellL(fp) != 50:
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gdal.VSIFCloseL(fp)
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pytest.fail()
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gdal.VSIFSeekL(fp, 0, 0)
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if gdal.VSIFTellL(fp) != 0:
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gdal.VSIFCloseL(fp)
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pytest.fail()
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data = gdal.VSIFReadL(1, 50, fp)
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if data.decode("ascii") != " 114p01DEMe Base Ma":
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gdal.VSIFCloseL(fp)
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pytest.fail()
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if gdal.VSIFTellL(fp) != 50:
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gdal.VSIFCloseL(fp)
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pytest.fail()
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time.sleep(0.5)
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gdal.VSIFSeekL(fp, 2001, 0)
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data_2001 = gdal.VSIFReadL(1, 20, fp)
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if data_2001.decode("ascii") != "7-32767-32767-32767-":
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gdal.VSIFCloseL(fp)
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pytest.fail(data_2001)
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if gdal.VSIFTellL(fp) != 2001 + 20:
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gdal.VSIFCloseL(fp)
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pytest.fail()
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gdal.VSIFSeekL(fp, 0, 2)
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if gdal.VSIFTellL(fp) != 9839616:
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gdal.VSIFCloseL(fp)
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pytest.fail()
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nRet = len(gdal.VSIFReadL(1, 10, fp))
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if nRet != 0:
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gdal.VSIFCloseL(fp)
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pytest.fail()
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gdal.VSIFSeekL(fp, 2001, 0)
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data_2001_2 = gdal.VSIFReadL(1, 20, fp)
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if gdal.VSIFTellL(fp) != 2001 + 20:
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gdal.VSIFCloseL(fp)
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pytest.fail()
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if data_2001 != data_2001_2:
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gdal.VSIFCloseL(fp)
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pytest.fail()
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gdal.VSIFSeekL(fp, 1024 * 1024 + 100, 0)
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data = gdal.VSIFReadL(1, 20, fp)
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if data.decode("ascii") != "67-32767-32767-32767":
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gdal.VSIFCloseL(fp)
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pytest.fail(data)
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if gdal.VSIFTellL(fp) != 1024 * 1024 + 100 + 20:
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gdal.VSIFCloseL(fp)
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pytest.fail()
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gdal.VSIFCloseL(fp)
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