Files
dvc/tests/test_repro.py
T
2018-06-04 22:28:15 +03:00

269 lines
7.2 KiB
Python

import os
import yaml
import stat
import shutil
import filecmp
import boto3
import uuid
from google.cloud import storage as gc
from dvc.main import main
from dvc.command.repro import CmdRepro
from dvc.project import Project, ReproductionError
from dvc.utils import file_md5
from dvc.remote.local import RemoteLOCAL
from dvc.stage import Stage
from tests.basic_env import TestDvc
from tests.test_data_cloud import _should_test_aws, TEST_AWS_REPO_BUCKET
from tests.test_data_cloud import _should_test_gcp, TEST_GCP_REPO_BUCKET
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 TestReproNoDeps(TestRepro):
def test(self):
out = 'out'
code_file = 'out.py'
stage_file = 'out.dvc'
code = 'import uuid\nwith open("{}", "w+") as fd:\n\tfd.write(str(uuid.uuid4()))\n'.format(out)
with open(code_file, 'w+') as fd:
fd.write(code)
self.dvc.run(fname=stage_file,
outs=[out],
cmd='python {}'.format(code_file))
stages = self.dvc.reproduce(stage_file)
self.assertEqual(len(stages), 1)
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][RemoteLOCAL.PARAM_MD5])
del(d[Stage.PARAM_DEPS][0][RemoteLOCAL.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)
class TestReproExternalBase(TestDvc):
def should_test(self):
return False
def test(self):
if not self.should_test():
return
cache = self.scheme + '://' + self.bucket + '/' + str(uuid.uuid4())
ret = main(['config', 'cache.' + self.scheme, 'myrepo'])
self.assertEqual(ret, 0)
ret = main(['remote', 'add', 'myrepo', cache])
self.assertEqual(ret, 0)
self.dvc = Project('.')
foo_key = str(uuid.uuid4()) + '/' + self.FOO
bar_key = str(uuid.uuid4()) + '/' + self.BAR
foo_path = self.scheme + '://' + self.bucket + '/' + foo_key
bar_path = self.scheme + '://' + self.bucket + '/' + bar_key
self.write(self.bucket, foo_key, 'foo')
stage = self.dvc.run(outs=[bar_path],
deps=[foo_path],
cmd='{} {} {}'.format(self.cmd, foo_path, bar_path))
self.write(self.bucket, foo_key, 'bar')
stages = self.dvc.reproduce(stage.path)
self.assertEqual(len(stages), 1)
class TestReproExternalS3(TestReproExternalBase):
def should_test(self):
return _should_test_aws()
@property
def scheme(self):
return 's3'
@property
def bucket(self):
return TEST_AWS_REPO_BUCKET
@property
def cmd(self):
return 'aws s3 cp'
def write(self, bucket, key, body):
s3 = boto3.resource('s3')
s3.Bucket(bucket).put_object(Key=key, Body=body)
class TestReproExternalGS(TestReproExternalBase):
def should_test(self):
#FIXME enable
if os.getenv('CI'):
return False
return _should_test_gcp()
@property
def scheme(self):
return 'gs'
@property
def bucket(self):
return TEST_GCP_REPO_BUCKET
@property
def cmd(self):
return 'gsutil cp'
def write(self, bucket, key, body):
client = gc.Client()
bucket = client.bucket(bucket)
bucket.blob(key).upload_from_string(body)