Dan Hecht created IMPALA-7153:
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Summary: filesystem_client methods expect unusual paths
Key: IMPALA-7153
URL: https://issues.apache.org/jira/browse/IMPALA-7153
Project: IMPALA
Issue Type: Bug
Components: Infrastructure
Affects Versions: Impala 3.0
Reporter: Dan Hecht
In Impala end to end python tests, most paths are either absolute or fully
qualified (i.e. /test-warehouse/db/table or
hdfs://namenode:port/test-warehouse/db/table), yet the classes derived from
BaseFilesystem tend to expect paths that are absolute but without the leading
slash.
This leads to awkward and error prone testing code. For example, see
IMPALA-7099 and {{test_unsupported_text_compression()}} which does e.g.:
{code}
self.filesystem_client.create_file("{0}/fake.lz4".format(lz4_ym_partition_loc)[1:],
"some test data")
{code}
Not only is this confusing, but it doesn't work when the test is run with
FILESYSTEM_PREFIX not empty.
We should fix the filesystem_client classes to handle absolute and fully
qualified paths so that each test doesn't have to worry about this.
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