tests/test-module-imports.t
author Yuya Nishihara <yuya@tcha.org>
Sun, 01 Nov 2015 15:46:06 +0900
changeset 26956 4b56214ebb7a
parent 25989 2cc4e8385661
child 26964 5abba2c92da3
permissions -rw-r--r--
import-checker: include lineno in warning message This makes it easy to look for imports in function scope.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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#require test-repo
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  $ import_checker="$TESTDIR"/../contrib/import-checker.py
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Run the doctests from the import checker, and make sure
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it's working correctly.
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  $ TERM=dumb
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  $ export TERM
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  $ python -m doctest $import_checker
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Run additional tests for the import checker
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  $ mkdir testpackage
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  $ cat > testpackage/multiple.py << EOF
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  > from __future__ import absolute_import
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  > import os, sys
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  > EOF
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  $ cat > testpackage/unsorted.py << EOF
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  > from __future__ import absolute_import
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  > import sys
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  > import os
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  > EOF
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  $ cat > testpackage/stdafterlocal.py << EOF
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  > from __future__ import absolute_import
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  > from . import unsorted
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  > import os
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  > EOF
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  $ cat > testpackage/requirerelative.py << EOF
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  > from __future__ import absolute_import
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  > import testpackage.unsorted
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  > EOF
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  $ cat > testpackage/importalias.py << EOF
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  > from __future__ import absolute_import
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  > import ui
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  > EOF
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  $ cat > testpackage/relativestdlib.py << EOF
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  > from __future__ import absolute_import
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  > from .. import os
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  > EOF
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  $ cat > testpackage/symbolimport.py << EOF
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  > from __future__ import absolute_import
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  > from .unsorted import foo
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  > EOF
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  $ cat > testpackage/latesymbolimport.py << EOF
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  > from __future__ import absolute_import
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  > from . import unsorted
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  > from mercurial.node import hex
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  > EOF
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  $ cat > testpackage/multiplegroups.py << EOF
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  > from __future__ import absolute_import
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  > from . import unsorted
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  > from . import more
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  > EOF
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  $ mkdir testpackage/subpackage
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  $ cat > testpackage/subpackage/levelpriority.py << EOF
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  > from __future__ import absolute_import
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  > from . import foo
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  > from .. import parent
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  > EOF
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  $ cat > testpackage/sortedentries.py << EOF
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  > from __future__ import absolute_import
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  > from . import (
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  >     foo,
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  >     bar,
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  > )
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  > EOF
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  $ cat > testpackage/importfromalias.py << EOF
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  > from __future__ import absolute_import
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  > from . import ui
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  > EOF
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  $ cat > testpackage/importfromrelative.py << EOF
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  > from __future__ import absolute_import
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  > from testpackage.unsorted import foo
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  > EOF
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  $ python "$import_checker" testpackage/*.py testpackage/subpackage/*.py
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  testpackage/importalias.py:2: ui module must be "as" aliased to uimod
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  testpackage/importfromalias.py:2: ui from testpackage must be "as" aliased to uimod
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  testpackage/importfromrelative.py:2: import should be relative: testpackage.unsorted
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  testpackage/importfromrelative.py:2: direct symbol import from testpackage.unsorted
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  testpackage/latesymbolimport.py:3: symbol import follows non-symbol import: mercurial.node
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  testpackage/multiple.py:2: multiple imported names: os, sys
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  testpackage/multiplegroups.py:3: multiple "from . import" statements
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  testpackage/relativestdlib.py:2: relative import of stdlib module
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  testpackage/requirerelative.py:2: import should be relative: testpackage.unsorted
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  testpackage/sortedentries.py:2: imports from testpackage not lexically sorted: bar < foo
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  testpackage/stdafterlocal.py:3: stdlib import follows local import: os
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  testpackage/subpackage/levelpriority.py:3: higher-level import should come first: testpackage
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  testpackage/symbolimport.py:2: direct symbol import from testpackage.unsorted
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  testpackage/unsorted.py:3: imports not lexically sorted: os < sys
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  [1]
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  $ cd "$TESTDIR"/..
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There are a handful of cases here that require renaming a module so it
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doesn't overlap with a stdlib module name. There are also some cycles
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here that we should still endeavor to fix, and some cycles will be
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hidden by deduplication algorithm in the cycle detector, so fixing
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these may expose other cycles.
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  $ hg locate 'mercurial/**.py' 'hgext/**.py' | sed 's-\\-/-g' | python "$import_checker" -
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  Import cycle: hgext.largefiles.basestore -> hgext.largefiles.localstore -> hgext.largefiles.basestore
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  [1]