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config: Change ConfigFileFinder._read_config() to accept variadic args

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This simplifies `._read_config()` by removing a conditional branch in
the situation where it is called with one file to process.  Now the
contract accepts any number of arguments of the same type.

Where callers invoke `._read_config()` with a `Sequence`, the call site
has been changed to unpack arguments (i.e., `*`).

The tests in `test_merged_config_parser.py` needed to return a string
for the user configuration path instead of an empty list since
`ConfigFileFinder.user_config_file()` returns a string.
This commit is contained in:
Eric N. Vander Weele 2020-01-01 23:38:51 -05:00
parent 20906d4304
commit 1a4060cd5f
3 changed files with 9 additions and 9 deletions
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2
tests/unit/test_config_file_finder.py
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@ -113,7 +113,7 @@ def test_local_configs_double_read():
])
def test_read_config_catches_broken_config_files(files):
"""Verify that we do not allow the exception to bubble up."""
_, parsed = config.ConfigFileFinder._read_config(files)
_, parsed = config.ConfigFileFinder._read_config(*files)
assert BROKEN_CONFIG_PATH not in parsed