-- End-to-end test cases for the daemon (dmypy).

-- These are special because they run multiple shell commands.

[case testDaemonStartStop]

$ dmypy start -- --follow-imports=error

Daemon started

$ dmypy stop

Daemon stopped

[case testDaemonBasic]

$ dmypy start -- --follow-imports=error

Daemon started

$ dmypy check -- foo.py

Success: no issues found in 1 source file

$ dmypy recheck

Success: no issues found in 1 source file

$ dmypy stop

Daemon stopped

[file foo.py]

def f(): pass

[case testDaemonRun]

$ dmypy run -- foo.py --follow-imports=error

Daemon started

Success: no issues found in 1 source file

$ dmypy stop

Daemon stopped

[file foo.py]

def f(): pass

[case testDaemonIgnoreConfigFiles]

$ dmypy start -- --follow-imports=error

Daemon started

[file mypy.ini]

\[mypy]

files = ./foo.py

[case testDaemonRunRestart]

$ dmypy run -- foo.py --follow-imports=error

Daemon started

Success: no issues found in 1 source file

$ dmypy run -- foo.py --follow-imports=error

Success: no issues found in 1 source file

$ {python} -c "print('[mypy]')" >mypy.ini

$ {python} -c "print('disallow_untyped_defs = True')" >>mypy.ini

$ dmypy run -- foo.py --follow-imports=error

Restarting: configuration changed

Daemon stopped

Daemon started

foo.py:1: error: Function is missing a return type annotation

foo.py:1: note: Use "-> None" if function does not return a value

Found 1 error in 1 file (checked 1 source file)

== Return code: 1

$ {python} -c "print('def f() -> None: pass')" >foo.py

$ dmypy run -- foo.py --follow-imports=error

Success: no issues found in 1 source file

$ dmypy stop

Daemon stopped

[file foo.py]

def f(): pass

[case testDaemonRunRestartPretty]

$ dmypy run -- foo.py --follow-imports=error --pretty

Daemon started

Success: no issues found in 1 source file

$ dmypy run -- foo.py --follow-imports=error --pretty

Success: no issues found in 1 source file

$ {python} -c "print('[mypy]')" >mypy.ini

$ {python} -c "print('disallow_untyped_defs = True')" >>mypy.ini

$ dmypy run -- foo.py --follow-imports=error --pretty

Restarting: configuration changed

Daemon stopped

Daemon started

foo.py:1: error: Function is missing a return type annotation

def f(): pass

^

foo.py:1: note: Use "-> None" if function does not return a value

Found 1 error in 1 file (checked 1 source file)

== Return code: 1

$ {python} -c "print('def f() -> None: pass')" >foo.py

$ dmypy run -- foo.py --follow-imports=error --pretty

Success: no issues found in 1 source file

$ dmypy stop

Daemon stopped

[file foo.py]

def f(): pass

[case testDaemonRunRestartPluginVersion]

$ dmypy run -- foo.py --no-error-summary

Daemon started

$ {python} -c "print(' ')" >> plug.py

$ dmypy run -- foo.py --no-error-summary

Restarting: plugins changed

Daemon stopped

Daemon started

$ dmypy stop

Daemon stopped

[file mypy.ini]

\[mypy]

follow_imports = error

plugins = plug.py

[file foo.py]

pass

[file plug.py]

from mypy.plugin import Plugin

class Dummy(Plugin): pass

def plugin(version): return Dummy

[case testDaemonRunRestartGlobs]

-- Ensure dmypy is not restarted if the configuration doesn't change and it contains globs

-- Note: Backslash path separator in output is replaced with forward slash so the same test succeeds on Windows as well

$ dmypy run -- foo --follow-imports=error --python-version=3.6

Daemon started

foo/lol.py:1: error: Name 'fail' is not defined

Found 1 error in 1 file (checked 3 source files)

== Return code: 1

$ dmypy run -- foo --follow-imports=error --python-version=3.6

foo/lol.py:1: error: Name 'fail' is not defined

Found 1 error in 1 file (checked 3 source files)

== Return code: 1

$ {python} -c "print('[mypy]')" >mypy.ini

$ {python} -c "print('ignore_errors=True')" >>mypy.ini

$ dmypy run -- foo --follow-imports=error --python-version=3.6

Restarting: configuration changed

Daemon stopped

Daemon started

Success: no issues found in 3 source files

$ dmypy stop

Daemon stopped

[file mypy.ini]

\[mypy]

ignore_errors = True

\[mypy-*.lol]

ignore_errors = False

[file foo/__init__.py]

[file foo/lol.py]

fail

[file foo/ok.py]

a: int = 1

[case testDaemonStatusKillRestartRecheck]

$ dmypy status

No status file found

== Return code: 2

$ dmypy stop

No status file found

== Return code: 2

$ dmypy kill

No status file found

== Return code: 2

$ dmypy recheck

No status file found

== Return code: 2

$ dmypy start -- --follow-imports=error --no-error-summary

Daemon started

$ dmypy status

Daemon is up and running

$ dmypy start

Daemon is still alive

== Return code: 2

$ dmypy restart -- --follow-imports=error --no-error-summary

Daemon stopped

Daemon started

$ dmypy stop

Daemon stopped

$ dmypy status

No status file found

== Return code: 2

$ dmypy restart -- --follow-imports=error --no-error-summary

Daemon started

$ dmypy recheck

Command 'recheck' is only valid after a 'check' command

== Return code: 2

$ dmypy kill

Daemon killed

$ dmypy status

Daemon has died

== Return code: 2

[case testDaemonRecheck]

$ dmypy start -- --follow-imports=error --no-error-summary

Daemon started

$ dmypy check foo.py bar.py

$ dmypy recheck

$ dmypy recheck --update foo.py --remove bar.py sir_not_appearing_in_this_film.py

foo.py:1: error: Import of 'bar' ignored

foo.py:1: note: (Using --follow-imports=error, module not passed on command line)

== Return code: 1

$ dmypy recheck --update bar.py

$ dmypy recheck --update sir_not_appearing_in_this_film.py

$ dmypy recheck --update --remove

$ dmypy stop

Daemon stopped

[file foo.py]

import bar

[file bar.py]

pass

[case testDaemonTimeout]

$ dmypy start --timeout 1 -- --follow-imports=error

Daemon started

$ {python} -c "import time;time.sleep(1)"

$ dmypy status

No status file found

== Return code: 2

[case testDaemonRunNoTarget]

$ dmypy run -- --follow-imports=error

Daemon started

mypy-daemon: error: Missing target module, package, files, or command.

== Return code: 2

$ dmypy stop

Daemon stopped

-- this is carefully constructed to be able to break if the quickstart system lets

-- something through incorrectly. in particular, the files need to have the same size

[case testDaemonQuickstart]

$ {python} -c "print('x=1')" >foo.py

$ {python} -c "print('x=1')" >bar.py

$ mypy --local-partial-types --cache-fine-grained --follow-imports=error --no-sqlite-cache --python-version=3.6 -- foo.py bar.py

Success: no issues found in 2 source files

$ {python} -c "import shutil; shutil.copy('.mypy_cache/3.6/bar.meta.json', 'asdf.json')"

-- update bar's timestamp but don't change the file

$ {python} -c "import time;time.sleep(1)"

$ {python} -c "print('x=1')" >bar.py

$ dmypy run -- foo.py bar.py --follow-imports=error --use-fine-grained-cache --no-sqlite-cache --python-version=3.6

Daemon started

Success: no issues found in 2 source files

$ dmypy status --fswatcher-dump-file test.json

Daemon is up and running

$ dmypy stop

Daemon stopped

-- copy the original bar cache file back so that the mtime mismatches

$ {python} -c "import shutil; shutil.copy('asdf.json', '.mypy_cache/3.6/bar.meta.json')"

-- sleep guarantees timestamp changes

$ {python} -c "import time;time.sleep(1)"

$ {python} -c "print('lol')" >foo.py

$ dmypy run --log-file=log -- foo.py bar.py --follow-imports=error --use-fine-grained-cache --no-sqlite-cache --python-version=3.6 --quickstart-file test.json

Daemon started

foo.py:1: error: Name 'lol' is not defined

Found 1 error in 1 file (checked 2 source files)

== Return code: 1

-- make sure no errors made it to the log file

$ {python} -c "import sys; sys.stdout.write(open('log').read())"

-- make sure the meta file didn't get updated. we use this as an imperfect proxy for

-- whether the source file got rehashed, which we don't want it to have been.

$ {python} -c "x = open('.mypy_cache/3.6/bar.meta.json').read(); y = open('asdf.json').read(); assert x == y"

[case testDaemonSuggest]

$ dmypy start --log-file log.txt -- --follow-imports=error --no-error-summary

Daemon started

$ dmypy suggest foo:foo

Command 'suggest' is only valid after a 'check' command (that produces no parse errors)

== Return code: 2

$ dmypy check foo.py bar.py

$ dmypy suggest foo.bar

Unknown function foo.bar

== Return code: 2

$ dmypy suggest foo.var

Object foo.var is not a function

== Return code: 2

$ dmypy suggest foo.Foo.var

Unknown class foo.Foo

== Return code: 2

$ dmypy suggest foo.Bar.baz

Unknown method foo.Bar.baz

== Return code: 2

$ dmypy suggest foo.foo.baz

Object foo.foo is not a class

== Return code: 2

$ dmypy suggest --callsites foo.foo

bar.py:3: (str)

bar.py:4: (arg=str)

$ dmypy suggest foo.foo

(str) -> int

$ {python} -c "import shutil; shutil.copy('foo.py.2', 'foo.py')"

$ dmypy check foo.py bar.py

bar.py:3: error: Incompatible types in assignment (expression has type "int", variable has type "str")

== Return code: 1

[file foo.py]

def foo(arg):

return 12

class Bar:

def bar(self): pass

var = 0

[file foo.py.2]

def foo(arg: str) -> int:

return 12

class Bar:

def bar(self) -> None: pass

var = 0

[file bar.py]

from foo import foo

def bar() -> None:

x = foo('abc') # type: str

foo(arg='xyz')