86 lines
2.6 KiB
Python
86 lines
2.6 KiB
Python
import os, sys, shutil, time
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import pyqtgraph as pg
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import pytest
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pgpath = os.path.join(os.path.dirname(pg.__file__), '..')
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pgpath_repr = repr(pgpath)
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code = """
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import sys
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sys.path.append({path_repr})
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import pyqtgraph as pg
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class C(pg.QtCore.QObject):
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sig = pg.QtCore.Signal()
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def fn(self):
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print("{msg}")
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"""
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def remove_cache(mod):
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if os.path.isfile(mod+'c'):
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os.remove(mod+'c')
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cachedir = os.path.join(os.path.dirname(mod), '__pycache__')
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if os.path.isdir(cachedir):
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shutil.rmtree(cachedir)
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@pytest.mark.skipif(
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(
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(pg.Qt.QT_LIB == "PySide2" and pg.Qt.QtVersion.startswith("5.15"))
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or (pg.Qt.QT_LIB == "PySide6")
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) and (sys.version_info >= (3, 9)),
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reason="Unknown Issue"
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)
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@pytest.mark.usefixtures("tmp_module")
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def test_reload(tmp_module):
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# write a module
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mod = os.path.join(tmp_module, 'reload_test_mod.py')
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print("\nRELOAD FILE:", mod)
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with open(mod, "w") as file_:
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file_.write(code.format(path_repr=pgpath_repr, msg="C.fn() Version1"))
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# import the new module
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import reload_test_mod
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print("RELOAD MOD:", reload_test_mod.__file__)
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c = reload_test_mod.C()
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c.sig.connect(c.fn)
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v1 = (reload_test_mod.C, reload_test_mod.C.sig, reload_test_mod.C.fn, c.sig, c.fn, c.fn.__func__)
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# write again and reload
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with open(mod, "w") as file_:
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file_.write(code.format(path_repr=pgpath_repr, msg="C.fn() Version 2"))
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time.sleep(1.1)
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#remove_cache(mod)
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_ = pg.reload.reloadAll(tmp_module, debug=True)
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v2 = (reload_test_mod.C, reload_test_mod.C.sig, reload_test_mod.C.fn, c.sig, c.fn, c.fn.__func__)
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oldcfn = pg.reload.getPreviousVersion(c.fn)
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if oldcfn is None:
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# Function did not reload; are we using pytest's assertion rewriting?
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raise Exception("Function did not reload. (This can happen when using py.test"
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" with assertion rewriting; use --assert=plain for this test.)")
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assert oldcfn.__func__ is v1[2]
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assert oldcfn.__self__ is c
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# write again and reload
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with open(mod, "w") as file_:
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file_.write(code.format(path_repr=pgpath_repr, msg="C.fn() Version2"))
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time.sleep(1.1)
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# remove_cache(mod)
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_ = pg.reload.reloadAll(tmp_module, debug=True)
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_ = (reload_test_mod.C, reload_test_mod.C.sig, reload_test_mod.C.fn, c.sig, c.fn, c.fn.__func__)
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cfn1 = pg.reload.getPreviousVersion(c.fn)
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cfn2 = pg.reload.getPreviousVersion(cfn1)
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assert cfn1.__func__ is v2[2]
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assert cfn2.__func__ is v1[2]
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assert cfn1.__self__ is c
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assert cfn2.__self__ is c
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pg.functions.disconnect(c.sig, c.fn)
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