Files
dvc/tests/test_repro.py
T
2018-03-20 00:31:30 +02:00

165 lines
4.5 KiB
Python

import os
import yaml
import stat
import shutil
import filecmp
from dvc.main import main
from dvc.command.repro import CmdRepro
from dvc.project import ReproductionError
from dvc.utils import file_md5
from dvc.output import Output
from dvc.stage import Stage
from tests.basic_env import TestDvc
class TestRepro(TestDvc):
def setUp(self):
super(TestRepro, self).setUp()
self.foo_stage = self.dvc.add(self.FOO)
self.file1 = 'file1'
self.file1_stage = self.file1 + '.dvc'
self.dvc.run(fname=self.file1_stage,
outs=[self.file1],
deps=[self.FOO, self.CODE],
cmd='python {} {} {}'.format(self.CODE, self.FOO, self.file1))
class TestReproForce(TestRepro):
def test(self):
stages = self.dvc.reproduce(self.file1_stage, force=True)
self.assertEqual(len(stages), 2)
class TestReproChangedCode(TestRepro):
def test(self):
self.swap_code()
stages = self.dvc.reproduce(self.file1_stage)
self.assertTrue(filecmp.cmp(self.file1, self.BAR))
self.assertEqual(len(stages), 1)
def swap_code(self):
os.unlink(self.CODE)
new_contents = self.CODE_CONTENTS
new_contents += "\nshutil.copyfile('{}', sys.argv[2])\n".format(self.BAR)
self.create(self.CODE, new_contents)
class TestReproChangedData(TestRepro):
def test(self):
self.swap_foo_with_bar()
stages = self.dvc.reproduce(self.file1_stage)
self.assertTrue(filecmp.cmp(self.file1, self.BAR))
self.assertEqual(len(stages), 2)
def swap_foo_with_bar(self):
os.unlink(self.FOO)
shutil.copyfile(self.BAR, self.FOO)
class TestReproChangedDeepData(TestReproChangedData):
def test(self):
file2 = 'file2'
file2_stage = file2 + '.dvc'
self.dvc.run(fname=file2_stage,
outs=[file2],
deps=[self.file1, self.CODE],
cmd='python {} {} {}'.format(self.CODE, self.file1, file2))
self.swap_foo_with_bar()
stages = self.dvc.reproduce(file2_stage)
self.assertTrue(filecmp.cmp(self.file1, self.BAR))
self.assertTrue(filecmp.cmp(file2, self.BAR))
self.assertEqual(len(stages), 3)
class TestReproPhony(TestReproChangedData):
def test(self):
stage = self.dvc.run(deps=[self.file1])
self.swap_foo_with_bar()
self.dvc.reproduce(stage.path)
self.assertTrue(filecmp.cmp(self.file1, self.BAR))
class TestNonExistingOutput(TestRepro):
def test(self):
os.unlink(self.FOO)
with self.assertRaises(ReproductionError) as cx:
self.dvc.reproduce(self.file1_stage)
class TestReproDataSource(TestReproChangedData):
def test(self):
self.swap_foo_with_bar()
stages = self.dvc.reproduce(self.foo_stage.path)
self.assertTrue(filecmp.cmp(self.FOO, self.BAR))
self.assertEqual(stages[0].outs[0].md5, file_md5(self.BAR)[0])
class TestReproChangedDir(TestDvc):
def test(self):
file_name = 'file'
shutil.copyfile(self.FOO, file_name)
stage_name = 'dir.dvc'
dir_name = 'dir'
dir_code = 'dir.py'
with open(dir_code, 'w+') as fd:
fd.write("import os; import shutil; os.mkdir(\"{}\"); shutil.copyfile(\"{}\", os.path.join(\"{}\", \"{}\"))".format(dir_name, file_name, dir_name, file_name))
self.dvc.run(fname=stage_name,
outs=[dir_name],
deps=[file_name, dir_code],
cmd="python {}".format(dir_code))
stages = self.dvc.reproduce(stage_name)
self.assertEqual(len(stages), 0)
os.unlink(file_name)
shutil.copyfile(self.BAR, file_name)
stages = self.dvc.reproduce(stage_name)
self.assertEqual(len(stages), 1)
class TestReproMissingMd5InStageFile(TestRepro):
def test(self):
with open(self.file1_stage, 'r') as fd:
d = yaml.load(fd)
del(d[Stage.PARAM_OUTS][0][Output.PARAM_MD5])
del(d[Stage.PARAM_DEPS][0][Output.PARAM_MD5])
with open(self.file1_stage, 'w') as fd:
yaml.dump(d, fd)
stages = self.dvc.reproduce(self.file1_stage)
self.assertEqual(len(stages), 1)
class TestCmdRepro(TestRepro):
def test(self):
ret = main(['repro',
self.file1_stage])
self.assertEqual(ret, 0)
ret = main(['repro',
'non-existing-file'])
self.assertNotEqual(ret, 0)