124 lines
4.4 KiB
Python
124 lines
4.4 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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import os
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import shutil
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from migrate.versioning.script import *
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from migrate.versioning import exceptions, version
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from test import fixture
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class TestPyScript(fixture.Pathed, fixture.DB):
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cls = PythonScript
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def test_create(self):
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"""We can create a migration script"""
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path = self.tmp_py()
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# Creating a file that doesn't exist should succeed
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self.cls.create(path)
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self.assert_(os.path.exists(path))
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# Created file should be a valid script (If not, raises an error)
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self.cls.verify(path)
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# Can't create it again: it already exists
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self.assertRaises(exceptions.PathFoundError,self.cls.create,path)
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def test_verify_notfound(self):
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"""Correctly verify a python migration script: nonexistant file"""
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path = self.tmp_py()
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self.assertFalse(os.path.exists(path))
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# Fails on empty path
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self.assertRaises(exceptions.InvalidScriptError,self.cls.verify,path)
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self.assertRaises(exceptions.InvalidScriptError,self.cls,path)
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def test_verify_invalidpy(self):
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"""Correctly verify a python migration script: invalid python file"""
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path=self.tmp_py()
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# Create empty file
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f=open(path,'w')
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f.write("def fail")
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f.close()
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self.assertRaises(Exception,self.cls.verify_module,path)
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# script isn't verified on creation, but on module reference
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py = self.cls(path)
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self.assertRaises(Exception,(lambda x: x.module),py)
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def test_verify_nofuncs(self):
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"""Correctly verify a python migration script: valid python file; no upgrade func"""
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path = self.tmp_py()
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# Create empty file
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f = open(path, 'w')
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f.write("def zergling():\n\tprint 'rush'")
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f.close()
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self.assertRaises(exceptions.InvalidScriptError, self.cls.verify_module, path)
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# script isn't verified on creation, but on module reference
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py = self.cls(path)
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self.assertRaises(exceptions.InvalidScriptError,(lambda x: x.module),py)
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@fixture.usedb(supported='sqlite')
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def test_preview_sql(self):
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"""Preview SQL abstract from ORM layer (sqlite)"""
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path = self.tmp_py()
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f = open(path, 'w')
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content = """
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from migrate import *
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from sqlalchemy import *
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metadata = MetaData(migrate_engine)
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UserGroup = Table('Link', metadata,
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Column('link1ID', Integer),
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Column('link2ID', Integer),
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UniqueConstraint('link1ID', 'link2ID'))
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def upgrade():
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metadata.create_all()
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"""
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f.write(content)
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f.close()
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pyscript = self.cls(path)
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SQL = pyscript.preview_sql(self.url, 1)
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self.assertEqualsIgnoreWhitespace("""
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CREATE TABLE "Link"
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("link1ID" INTEGER,
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"link2ID" INTEGER,
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UNIQUE ("link1ID", "link2ID"))
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""", SQL)
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# TODO: test: No SQL should be executed!
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def test_verify_success(self):
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"""Correctly verify a python migration script: success"""
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path = self.tmp_py()
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# Succeeds after creating
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self.cls.create(path)
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self.cls.verify(path)
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class TestSqlScript(fixture.Pathed):
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def test_selection(self):
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"""Verify right sql script is selected"""
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# Create empty directory.
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path=self.tmp_repos()
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os.mkdir(path)
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# Create files -- files must be present or you'll get an exception later.
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sqlite_upgrade_file = '001_sqlite_upgrade.sql'
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default_upgrade_file = '001_default_upgrade.sql'
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for file_ in [sqlite_upgrade_file, default_upgrade_file]:
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filepath = '%s/%s' % (path, file_)
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open(filepath, 'w').close()
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ver = version.Version(1, path, [sqlite_upgrade_file])
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self.assertEquals(os.path.basename(ver.script('sqlite', 'upgrade').path), sqlite_upgrade_file)
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ver = version.Version(1, path, [default_upgrade_file])
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self.assertEquals(os.path.basename(ver.script('default', 'upgrade').path), default_upgrade_file)
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ver = version.Version(1, path, [sqlite_upgrade_file, default_upgrade_file])
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self.assertEquals(os.path.basename(ver.script('sqlite', 'upgrade').path), sqlite_upgrade_file)
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ver = version.Version(1, path, [sqlite_upgrade_file, default_upgrade_file])
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self.assertEquals(os.path.basename(ver.script('postgres', 'upgrade').path), default_upgrade_file)
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