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from __future__ import absolute_import
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import StringIO
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from django . contrib . sites . models import Site
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from django . core import management
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from django . test import TestCase , TransactionTestCase , skipUnlessDBFeature
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from . models import Article , Book , Spy , Tag , Visa
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class TestCaseFixtureLoadingTests ( TestCase ) :
fixtures = [ ' fixture1.json ' , ' fixture2.json ' ]
def testClassFixtures ( self ) :
" Check that test case has installed 4 fixture objects "
self . assertEqual ( Article . objects . count ( ) , 4 )
self . assertQuerysetEqual ( Article . objects . all ( ) , [
' <Article: Django conquers world!> ' ,
' <Article: Copyright is fine the way it is> ' ,
' <Article: Poker has no place on ESPN> ' ,
' <Article: Python program becomes self aware> '
] )
class FixtureLoadingTests ( TestCase ) :
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def _dumpdata_assert ( self , args , output , format = ' json ' , natural_keys = False ,
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use_base_manager = False , exclude_list = [ ] ) :
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new_io = StringIO . StringIO ( )
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management . call_command ( ' dumpdata ' , * args , * * { ' format ' : format ,
' stdout ' : new_io ,
' stderr ' : new_io ,
' use_natural_keys ' : natural_keys ,
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' use_base_manager ' : use_base_manager ,
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' exclude ' : exclude_list } )
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command_output = new_io . getvalue ( ) . strip ( )
self . assertEqual ( command_output , output )
def test_initial_data ( self ) :
# Syncdb introduces 1 initial data object from initial_data.json.
self . assertQuerysetEqual ( Article . objects . all ( ) , [
' <Article: Python program becomes self aware> '
] )
def test_loading_and_dumping ( self ) :
new_io = StringIO . StringIO ( )
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Site . objects . all ( ) . delete ( )
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# Load fixture 1. Single JSON file, with two objects.
management . call_command ( ' loaddata ' , ' fixture1.json ' , verbosity = 0 , commit = False )
self . assertQuerysetEqual ( Article . objects . all ( ) , [
' <Article: Time to reform copyright> ' ,
' <Article: Poker has no place on ESPN> ' ,
' <Article: Python program becomes self aware> '
] )
# Dump the current contents of the database as a JSON fixture
self . _dumpdata_assert ( [ ' fixtures ' ] , ' [ { " pk " : 1, " model " : " fixtures.category " , " fields " : { " description " : " Latest news stories " , " title " : " News Stories " }}, { " pk " : 3, " model " : " fixtures.article " , " fields " : { " headline " : " Time to reform copyright " , " pub_date " : " 2006-06-16 13:00:00 " }}, { " pk " : 2, " model " : " fixtures.article " , " fields " : { " headline " : " Poker has no place on ESPN " , " pub_date " : " 2006-06-16 12:00:00 " }}, { " pk " : 1, " model " : " fixtures.article " , " fields " : { " headline " : " Python program becomes self aware " , " pub_date " : " 2006-06-16 11:00:00 " }}] ' )
# Try just dumping the contents of fixtures.Category
self . _dumpdata_assert ( [ ' fixtures.Category ' ] , ' [ { " pk " : 1, " model " : " fixtures.category " , " fields " : { " description " : " Latest news stories " , " title " : " News Stories " }}] ' )
# ...and just fixtures.Article
self . _dumpdata_assert ( [ ' fixtures.Article ' ] , ' [ { " pk " : 3, " model " : " fixtures.article " , " fields " : { " headline " : " Time to reform copyright " , " pub_date " : " 2006-06-16 13:00:00 " }}, { " pk " : 2, " model " : " fixtures.article " , " fields " : { " headline " : " Poker has no place on ESPN " , " pub_date " : " 2006-06-16 12:00:00 " }}, { " pk " : 1, " model " : " fixtures.article " , " fields " : { " headline " : " Python program becomes self aware " , " pub_date " : " 2006-06-16 11:00:00 " }}] ' )
# ...and both
self . _dumpdata_assert ( [ ' fixtures.Category ' , ' fixtures.Article ' ] , ' [ { " pk " : 1, " model " : " fixtures.category " , " fields " : { " description " : " Latest news stories " , " title " : " News Stories " }}, { " pk " : 3, " model " : " fixtures.article " , " fields " : { " headline " : " Time to reform copyright " , " pub_date " : " 2006-06-16 13:00:00 " }}, { " pk " : 2, " model " : " fixtures.article " , " fields " : { " headline " : " Poker has no place on ESPN " , " pub_date " : " 2006-06-16 12:00:00 " }}, { " pk " : 1, " model " : " fixtures.article " , " fields " : { " headline " : " Python program becomes self aware " , " pub_date " : " 2006-06-16 11:00:00 " }}] ' )
# Specify a specific model twice
self . _dumpdata_assert ( [ ' fixtures.Article ' , ' fixtures.Article ' ] , ' [ { " pk " : 3, " model " : " fixtures.article " , " fields " : { " headline " : " Time to reform copyright " , " pub_date " : " 2006-06-16 13:00:00 " }}, { " pk " : 2, " model " : " fixtures.article " , " fields " : { " headline " : " Poker has no place on ESPN " , " pub_date " : " 2006-06-16 12:00:00 " }}, { " pk " : 1, " model " : " fixtures.article " , " fields " : { " headline " : " Python program becomes self aware " , " pub_date " : " 2006-06-16 11:00:00 " }}] ' )
# Specify a dump that specifies Article both explicitly and implicitly
self . _dumpdata_assert ( [ ' fixtures.Article ' , ' fixtures ' ] , ' [ { " pk " : 1, " model " : " fixtures.category " , " fields " : { " description " : " Latest news stories " , " title " : " News Stories " }}, { " pk " : 3, " model " : " fixtures.article " , " fields " : { " headline " : " Time to reform copyright " , " pub_date " : " 2006-06-16 13:00:00 " }}, { " pk " : 2, " model " : " fixtures.article " , " fields " : { " headline " : " Poker has no place on ESPN " , " pub_date " : " 2006-06-16 12:00:00 " }}, { " pk " : 1, " model " : " fixtures.article " , " fields " : { " headline " : " Python program becomes self aware " , " pub_date " : " 2006-06-16 11:00:00 " }}] ' )
# Same again, but specify in the reverse order
self . _dumpdata_assert ( [ ' fixtures ' ] , ' [ { " pk " : 1, " model " : " fixtures.category " , " fields " : { " description " : " Latest news stories " , " title " : " News Stories " }}, { " pk " : 3, " model " : " fixtures.article " , " fields " : { " headline " : " Time to reform copyright " , " pub_date " : " 2006-06-16 13:00:00 " }}, { " pk " : 2, " model " : " fixtures.article " , " fields " : { " headline " : " Poker has no place on ESPN " , " pub_date " : " 2006-06-16 12:00:00 " }}, { " pk " : 1, " model " : " fixtures.article " , " fields " : { " headline " : " Python program becomes self aware " , " pub_date " : " 2006-06-16 11:00:00 " }}] ' )
# Specify one model from one application, and an entire other application.
self . _dumpdata_assert ( [ ' fixtures.Category ' , ' sites ' ] , ' [ { " pk " : 1, " model " : " fixtures.category " , " fields " : { " description " : " Latest news stories " , " title " : " News Stories " }}, { " pk " : 1, " model " : " sites.site " , " fields " : { " domain " : " example.com " , " name " : " example.com " }}] ' )
# Load fixture 2. JSON file imported by default. Overwrites some existing objects
management . call_command ( ' loaddata ' , ' fixture2.json ' , verbosity = 0 , commit = False )
self . assertQuerysetEqual ( Article . objects . all ( ) , [
' <Article: Django conquers world!> ' ,
' <Article: Copyright is fine the way it is> ' ,
' <Article: Poker has no place on ESPN> ' ,
' <Article: Python program becomes self aware> '
] )
# Load fixture 3, XML format.
management . call_command ( ' loaddata ' , ' fixture3.xml ' , verbosity = 0 , commit = False )
self . assertQuerysetEqual ( Article . objects . all ( ) , [
' <Article: XML identified as leading cause of cancer> ' ,
' <Article: Django conquers world!> ' ,
' <Article: Copyright is fine the way it is> ' ,
' <Article: Poker on TV is great!> ' ,
' <Article: Python program becomes self aware> '
] )
# Load fixture 6, JSON file with dynamic ContentType fields. Testing ManyToOne.
management . call_command ( ' loaddata ' , ' fixture6.json ' , verbosity = 0 , commit = False )
self . assertQuerysetEqual ( Tag . objects . all ( ) , [
' <Tag: <Article: Copyright is fine the way it is> tagged " copyright " > ' ,
' <Tag: <Article: Copyright is fine the way it is> tagged " law " > '
] )
# Load fixture 7, XML file with dynamic ContentType fields. Testing ManyToOne.
management . call_command ( ' loaddata ' , ' fixture7.xml ' , verbosity = 0 , commit = False )
self . assertQuerysetEqual ( Tag . objects . all ( ) , [
' <Tag: <Article: Copyright is fine the way it is> tagged " copyright " > ' ,
' <Tag: <Article: Copyright is fine the way it is> tagged " legal " > ' ,
' <Tag: <Article: Django conquers world!> tagged " django " > ' ,
' <Tag: <Article: Django conquers world!> tagged " world domination " > '
] )
# Load fixture 8, JSON file with dynamic Permission fields. Testing ManyToMany.
management . call_command ( ' loaddata ' , ' fixture8.json ' , verbosity = 0 , commit = False )
self . assertQuerysetEqual ( Visa . objects . all ( ) , [
' <Visa: Django Reinhardt Can add user, Can change user, Can delete user> ' ,
' <Visa: Stephane Grappelli Can add user> ' ,
' <Visa: Prince > '
] )
# Load fixture 9, XML file with dynamic Permission fields. Testing ManyToMany.
management . call_command ( ' loaddata ' , ' fixture9.xml ' , verbosity = 0 , commit = False )
self . assertQuerysetEqual ( Visa . objects . all ( ) , [
' <Visa: Django Reinhardt Can add user, Can change user, Can delete user> ' ,
' <Visa: Stephane Grappelli Can add user, Can delete user> ' ,
' <Visa: Artist formerly known as " Prince " Can change user> '
] )
self . assertQuerysetEqual ( Book . objects . all ( ) , [
' <Book: Music for all ages by Artist formerly known as " Prince " and Django Reinhardt> '
] )
# Load a fixture that doesn't exist
management . call_command ( ' loaddata ' , ' unknown.json ' , verbosity = 0 , commit = False )
# object list is unaffected
self . assertQuerysetEqual ( Article . objects . all ( ) , [
' <Article: XML identified as leading cause of cancer> ' ,
' <Article: Django conquers world!> ' ,
' <Article: Copyright is fine the way it is> ' ,
' <Article: Poker on TV is great!> ' ,
' <Article: Python program becomes self aware> '
] )
# By default, you get raw keys on dumpdata
self . _dumpdata_assert ( [ ' fixtures.book ' ] , ' [ { " pk " : 1, " model " : " fixtures.book " , " fields " : { " name " : " Music for all ages " , " authors " : [3, 1]}}] ' )
# But you can get natural keys if you ask for them and they are available
self . _dumpdata_assert ( [ ' fixtures.book ' ] , ' [ { " pk " : 1, " model " : " fixtures.book " , " fields " : { " name " : " Music for all ages " , " authors " : [[ " Artist formerly known as \\ " Prince \\ " " ], [ " Django Reinhardt " ]]}}] ' , natural_keys = True )
# Dump the current contents of the database as a JSON fixture
self . _dumpdata_assert ( [ ' fixtures ' ] , ' [ { " pk " : 1, " model " : " fixtures.category " , " fields " : { " description " : " Latest news stories " , " title " : " News Stories " }}, { " pk " : 5, " model " : " fixtures.article " , " fields " : { " headline " : " XML identified as leading cause of cancer " , " pub_date " : " 2006-06-16 16:00:00 " }}, { " pk " : 4, " model " : " fixtures.article " , " fields " : { " headline " : " Django conquers world! " , " pub_date " : " 2006-06-16 15:00:00 " }}, { " pk " : 3, " model " : " fixtures.article " , " fields " : { " headline " : " Copyright is fine the way it is " , " pub_date " : " 2006-06-16 14:00:00 " }}, { " pk " : 2, " model " : " fixtures.article " , " fields " : { " headline " : " Poker on TV is great! " , " pub_date " : " 2006-06-16 11:00:00 " }}, { " pk " : 1, " model " : " fixtures.article " , " fields " : { " headline " : " Python program becomes self aware " , " pub_date " : " 2006-06-16 11:00:00 " }}, { " pk " : 1, " model " : " fixtures.tag " , " fields " : { " tagged_type " : [ " fixtures " , " article " ], " name " : " copyright " , " tagged_id " : 3}}, { " pk " : 2, " model " : " fixtures.tag " , " fields " : { " tagged_type " : [ " fixtures " , " article " ], " name " : " legal " , " tagged_id " : 3}}, { " pk " : 3, " model " : " fixtures.tag " , " fields " : { " tagged_type " : [ " fixtures " , " article " ], " name " : " django " , " tagged_id " : 4}}, { " pk " : 4, " model " : " fixtures.tag " , " fields " : { " tagged_type " : [ " fixtures " , " article " ], " name " : " world domination " , " tagged_id " : 4}}, { " pk " : 3, " model " : " fixtures.person " , " fields " : { " name " : " Artist formerly known as \\ " Prince \\ " " }}, { " pk " : 1, " model " : " fixtures.person " , " fields " : { " name " : " Django Reinhardt " }}, { " pk " : 2, " model " : " fixtures.person " , " fields " : { " name " : " Stephane Grappelli " }}, { " pk " : 1, " model " : " fixtures.visa " , " fields " : { " person " : [ " Django Reinhardt " ], " permissions " : [[ " add_user " , " auth " , " user " ], [ " change_user " , " auth " , " user " ], [ " delete_user " , " auth " , " user " ]]}}, { " pk " : 2, " model " : " fixtures.visa " , " fields " : { " person " : [ " Stephane Grappelli " ], " permissions " : [[ " add_user " , " auth " , " user " ], [ " delete_user " , " auth " , " user " ]]}}, { " pk " : 3, " model " : " fixtures.visa " , " fields " : { " person " : [ " Artist formerly known as \\ " Prince \\ " " ], " permissions " : [[ " change_user " , " auth " , " user " ]]}}, { " pk " : 1, " model " : " fixtures.book " , " fields " : { " name " : " Music for all ages " , " authors " : [[ " Artist formerly known as \\ " Prince \\ " " ], [ " Django Reinhardt " ]]}}] ' , natural_keys = True )
# Dump the current contents of the database as an XML fixture
self . _dumpdata_assert ( [ ' fixtures ' ] , """ <?xml version= " 1.0 " encoding= " utf-8 " ?>
< django - objects version = " 1.0 " > < object pk = " 1 " model = " fixtures.category " > < field type = " CharField " name = " title " > News Stories < / field > < field type = " TextField " name = " description " > Latest news stories < / field > < / object > < object pk = " 5 " model = " fixtures.article " > < field type = " CharField " name = " headline " > XML identified as leading cause of cancer < / field > < field type = " DateTimeField " name = " pub_date " > 2006 - 06 - 16 16 : 00 : 00 < / field > < / object > < object pk = " 4 " model = " fixtures.article " > < field type = " CharField " name = " headline " > Django conquers world ! < / field > < field type = " DateTimeField " name = " pub_date " > 2006 - 06 - 16 15 : 00 : 00 < / field > < / object > < object pk = " 3 " model = " fixtures.article " > < field type = " CharField " name = " headline " > Copyright is fine the way it is < / field > < field type = " DateTimeField " name = " pub_date " > 2006 - 06 - 16 14 : 00 : 00 < / field > < / object > < object pk = " 2 " model = " fixtures.article " > < field type = " CharField " name = " headline " > Poker on TV is great ! < / field > < field type = " DateTimeField " name = " pub_date " > 2006 - 06 - 16 11 : 00 : 00 < / field > < / object > < object pk = " 1 " model = " fixtures.article " > < field type = " CharField " name = " headline " > Python program becomes self aware < / field > < field type = " DateTimeField " name = " pub_date " > 2006 - 06 - 16 11 : 00 : 00 < / field > < / object > < object pk = " 1 " model = " fixtures.tag " > < field type = " CharField " name = " name " > copyright < / field > < field to = " contenttypes.contenttype " name = " tagged_type " rel = " ManyToOneRel " > < natural > fixtures < / natural > < natural > article < / natural > < / field > < field type = " PositiveIntegerField " name = " tagged_id " > 3 < / field > < / object > < object pk = " 2 " model = " fixtures.tag " > < field type = " CharField " name = " name " > legal < / field > < field to = " contenttypes.contenttype " name = " tagged_type " rel = " ManyToOneRel " > < natural > fixtures < / natural > < natural > article < / natural > < / field > < field type = " PositiveIntegerField " name = " tagged_id " > 3 < / field > < / object > < object pk = " 3 " model = " fixtures.tag " > < field type = " CharField " name = " name " > django < / field > < field to = " contenttypes.contenttype " name = " tagged_type " rel = " ManyToOneRel " > < natural > fixtures < / natural > < natural > article < / natural > < / field > < field type = " PositiveIntegerField " name = " tagged_id " > 4 < / field > < / object > < object pk = " 4 " model = " fixtures.tag " > < field type = " CharField " name = " name " > world domination < / field > < field to = " contenttypes.contenttype " name = " tagged_type " rel = " ManyToOneRel " > < natural > fixtures < / natural > < natural > article < / natural > < / field > < field type = " PositiveIntegerField " name = " tagged_id " > 4 < / field > < / object > < object pk = " 3 " model = " fixtures.person " > < field type = " CharField " name = " name " > Artist formerly known as " Prince " < / field > < / object > < object pk = " 1 " model = " fixtures.person " > < field type = " CharField " name = " name " > Django Reinhardt < / field > < / object > < object pk = " 2 " model = " fixtures.person " > < field type = " CharField " name = " name " > Stephane Grappelli < / field > < / object > < object pk = " 1 " model = " fixtures.visa " > < field to = " fixtures.person " name = " person " rel = " ManyToOneRel " > < natural > Django Reinhardt < / natural > < / field > < field to = " auth.permission " name = " permissions " rel = " ManyToManyRel " > < object > < natural > add_user < / natural > < natural > auth < / natural > < natural > user < / natural > < / object > < object > < natural > change_user < / natural > < natural > auth < / natural > < natural > user < / natural > < / object > < object > < natural > delete_user < / natural > < natural > auth < / natural > < natural > user < / natural > < / object > < / field > < / object > < object pk = " 2 " model = " fixtures.visa " > < field to = " fixtures.person " name = " person " rel = " ManyToOneRel " > < natural > Stephane Grappelli < / natural > < / field > < field to = " auth.permission " name = " permissions " rel = " ManyToManyRel " > < object > < natural > add_user < / natural > < natural > auth < / natural > < natural > user < / natural > < / object > < object > < natural > delete_user < / natural > < natural > auth < / natural > < natural > user < / natural > < / object > < / field > < / object > < object pk = " 3 " model = " fixtures.visa " > < field to = " fixtures.person " name = " person " rel = " ManyToOneRel " > < natural > Artist formerly known as " Prince " < / natural > < / field > < field to = " auth.permission " name = " permissions " rel = " ManyToManyRel " > < object > < natural > change_user < / natural > < natural > auth < / natural > < natural > user < / natural > < / object > < / field > < / object > < object pk = " 1 " model = " fixtures.book " > < field type = " CharField " name = " name " > Music for all ages < / field > < field to = " fixtures.person " name
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def test_dumpdata_with_excludes ( self ) :
# Load fixture1 which has a site, two articles, and a category
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Site . objects . all ( ) . delete ( )
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management . call_command ( ' loaddata ' , ' fixture1.json ' , verbosity = 0 , commit = False )
# Excluding fixtures app should only leave sites
self . _dumpdata_assert (
[ ' sites ' , ' fixtures ' ] ,
' [ { " pk " : 1, " model " : " sites.site " , " fields " : { " domain " : " example.com " , " name " : " example.com " }}] ' ,
exclude_list = [ ' fixtures ' ] )
# Excluding fixtures.Article should leave fixtures.Category
self . _dumpdata_assert (
[ ' sites ' , ' fixtures ' ] ,
' [ { " pk " : 1, " model " : " sites.site " , " fields " : { " domain " : " example.com " , " name " : " example.com " }}, { " pk " : 1, " model " : " fixtures.category " , " fields " : { " description " : " Latest news stories " , " title " : " News Stories " }}] ' ,
exclude_list = [ ' fixtures.Article ' ] )
# Excluding fixtures and fixtures.Article should be a no-op
self . _dumpdata_assert (
[ ' sites ' , ' fixtures ' ] ,
' [ { " pk " : 1, " model " : " sites.site " , " fields " : { " domain " : " example.com " , " name " : " example.com " }}, { " pk " : 1, " model " : " fixtures.category " , " fields " : { " description " : " Latest news stories " , " title " : " News Stories " }}] ' ,
exclude_list = [ ' fixtures.Article ' ] )
# Excluding sites and fixtures.Article should only leave fixtures.Category
self . _dumpdata_assert (
[ ' sites ' , ' fixtures ' ] ,
' [ { " pk " : 1, " model " : " fixtures.category " , " fields " : { " description " : " Latest news stories " , " title " : " News Stories " }}] ' ,
exclude_list = [ ' fixtures.Article ' , ' sites ' ] )
# Excluding a bogus app should throw an error
self . assertRaises ( SystemExit ,
self . _dumpdata_assert ,
[ ' fixtures ' , ' sites ' ] ,
' ' ,
exclude_list = [ ' foo_app ' ] )
# Excluding a bogus model should throw an error
self . assertRaises ( SystemExit ,
self . _dumpdata_assert ,
[ ' fixtures ' , ' sites ' ] ,
' ' ,
exclude_list = [ ' fixtures.FooModel ' ] )
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def test_dumpdata_with_filtering_manager ( self ) :
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spy1 = Spy . objects . create ( name = ' Paul ' )
spy2 = Spy . objects . create ( name = ' Alex ' , cover_blown = True )
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self . assertQuerysetEqual ( Spy . objects . all ( ) ,
[ ' <Spy: Paul> ' ] )
# Use the default manager
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self . _dumpdata_assert ( [ ' fixtures.Spy ' ] , ' [ { " pk " : %d , " model " : " fixtures.spy " , " fields " : { " cover_blown " : false}}] ' % spy1 . pk )
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# Dump using Django's base manager. Should return all objects,
# even those normally filtered by the manager
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self . _dumpdata_assert ( [ ' fixtures.Spy ' ] , ' [ { " pk " : %d , " model " : " fixtures.spy " , " fields " : { " cover_blown " : true}}, { " pk " : %d , " model " : " fixtures.spy " , " fields " : { " cover_blown " : false}}] ' % ( spy2 . pk , spy1 . pk ) , use_base_manager = True )
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def test_compress_format_loading ( self ) :
# Load fixture 4 (compressed), using format specification
management . call_command ( ' loaddata ' , ' fixture4.json ' , verbosity = 0 , commit = False )
self . assertQuerysetEqual ( Article . objects . all ( ) , [
' <Article: Django pets kitten> ' ,
' <Article: Python program becomes self aware> '
] )
def test_compressed_specified_loading ( self ) :
# Load fixture 5 (compressed), using format *and* compression specification
management . call_command ( ' loaddata ' , ' fixture5.json.zip ' , verbosity = 0 , commit = False )
self . assertQuerysetEqual ( Article . objects . all ( ) , [
' <Article: WoW subscribers now outnumber readers> ' ,
' <Article: Python program becomes self aware> '
] )
def test_compressed_loading ( self ) :
# Load fixture 5 (compressed), only compression specification
management . call_command ( ' loaddata ' , ' fixture5.zip ' , verbosity = 0 , commit = False )
self . assertQuerysetEqual ( Article . objects . all ( ) , [
' <Article: WoW subscribers now outnumber readers> ' ,
' <Article: Python program becomes self aware> '
] )
def test_ambiguous_compressed_fixture ( self ) :
# The name "fixture5" is ambigous, so loading it will raise an error
new_io = StringIO . StringIO ( )
management . call_command ( ' loaddata ' , ' fixture5 ' , verbosity = 0 , stderr = new_io , commit = False )
output = new_io . getvalue ( ) . strip ( ) . split ( ' \n ' )
self . assertEqual ( len ( output ) , 1 )
self . assertTrue ( output [ 0 ] . startswith ( " Multiple fixtures named ' fixture5 ' " ) )
def test_db_loading ( self ) :
# Load db fixtures 1 and 2. These will load using the 'default' database identifier implicitly
management . call_command ( ' loaddata ' , ' db_fixture_1 ' , verbosity = 0 , commit = False )
management . call_command ( ' loaddata ' , ' db_fixture_2 ' , verbosity = 0 , commit = False )
self . assertQuerysetEqual ( Article . objects . all ( ) , [
' <Article: Who needs more than one database?> ' ,
' <Article: Who needs to use compressed data?> ' ,
' <Article: Python program becomes self aware> '
] )
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def test_loaddata_error_message ( self ) :
"""
Verifies that loading a fixture which contains an invalid object
outputs an error message which contains the pk of the object
that triggered the error .
"""
new_io = StringIO . StringIO ( )
management . call_command ( ' loaddata ' , ' invalid.json ' , verbosity = 0 , stderr = new_io , commit = False )
output = new_io . getvalue ( ) . strip ( ) . split ( ' \n ' )
self . assertRegexpMatches ( output [ - 1 ] , " IntegrityError: Could not load fixtures.Article \ (pk=1 \ ): .*$ " )
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def test_loading_using ( self ) :
# Load db fixtures 1 and 2. These will load using the 'default' database identifier explicitly
management . call_command ( ' loaddata ' , ' db_fixture_1 ' , verbosity = 0 , using = ' default ' , commit = False )
management . call_command ( ' loaddata ' , ' db_fixture_2 ' , verbosity = 0 , using = ' default ' , commit = False )
self . assertQuerysetEqual ( Article . objects . all ( ) , [
' <Article: Who needs more than one database?> ' ,
' <Article: Who needs to use compressed data?> ' ,
' <Article: Python program becomes self aware> '
] )
def test_unmatched_identifier_loading ( self ) :
# Try to load db fixture 3. This won't load because the database identifier doesn't match
management . call_command ( ' loaddata ' , ' db_fixture_3 ' , verbosity = 0 , commit = False )
self . assertQuerysetEqual ( Article . objects . all ( ) , [
' <Article: Python program becomes self aware> '
] )
management . call_command ( ' loaddata ' , ' db_fixture_3 ' , verbosity = 0 , using = ' default ' , commit = False )
self . assertQuerysetEqual ( Article . objects . all ( ) , [
' <Article: Python program becomes self aware> '
] )
def test_output_formats ( self ) :
# Load back in fixture 1, we need the articles from it
management . call_command ( ' loaddata ' , ' fixture1 ' , verbosity = 0 , commit = False )
# Try to load fixture 6 using format discovery
management . call_command ( ' loaddata ' , ' fixture6 ' , verbosity = 0 , commit = False )
self . assertQuerysetEqual ( Tag . objects . all ( ) , [
' <Tag: <Article: Time to reform copyright> tagged " copyright " > ' ,
' <Tag: <Article: Time to reform copyright> tagged " law " > '
] )
# Dump the current contents of the database as a JSON fixture
self . _dumpdata_assert ( [ ' fixtures ' ] , ' [ { " pk " : 1, " model " : " fixtures.category " , " fields " : { " description " : " Latest news stories " , " title " : " News Stories " }}, { " pk " : 3, " model " : " fixtures.article " , " fields " : { " headline " : " Time to reform copyright " , " pub_date " : " 2006-06-16 13:00:00 " }}, { " pk " : 2, " model " : " fixtures.article " , " fields " : { " headline " : " Poker has no place on ESPN " , " pub_date " : " 2006-06-16 12:00:00 " }}, { " pk " : 1, " model " : " fixtures.article " , " fields " : { " headline " : " Python program becomes self aware " , " pub_date " : " 2006-06-16 11:00:00 " }}, { " pk " : 1, " model " : " fixtures.tag " , " fields " : { " tagged_type " : [ " fixtures " , " article " ], " name " : " copyright " , " tagged_id " : 3}}, { " pk " : 2, " model " : " fixtures.tag " , " fields " : { " tagged_type " : [ " fixtures " , " article " ], " name " : " law " , " tagged_id " : 3}}, { " pk " : 1, " model " : " fixtures.person " , " fields " : { " name " : " Django Reinhardt " }}, { " pk " : 3, " model " : " fixtures.person " , " fields " : { " name " : " Prince " }}, { " pk " : 2, " model " : " fixtures.person " , " fields " : { " name " : " Stephane Grappelli " }}] ' , natural_keys = True )
# Dump the current contents of the database as an XML fixture
self . _dumpdata_assert ( [ ' fixtures ' ] , """ <?xml version= " 1.0 " encoding= " utf-8 " ?>
< django - objects version = " 1.0 " > < object pk = " 1 " model = " fixtures.category " > < field type = " CharField " name = " title " > News Stories < / field > < field type = " TextField " name = " description " > Latest news stories < / field > < / object > < object pk = " 3 " model = " fixtures.article " > < field type = " CharField " name = " headline " > Time to reform copyright < / field > < field type = " DateTimeField " name = " pub_date " > 2006 - 06 - 16 13 : 00 : 00 < / field > < / object > < object pk = " 2 " model = " fixtures.article " > < field type = " CharField " name = " headline " > Poker has no place on ESPN < / field > < field type = " DateTimeField " name = " pub_date " > 2006 - 06 - 16 12 : 00 : 00 < / field > < / object > < object pk = " 1 " model = " fixtures.article " > < field type = " CharField " name = " headline " > Python program becomes self aware < / field > < field type = " DateTimeField " name = " pub_date " > 2006 - 06 - 16 11 : 00 : 00 < / field > < / object > < object pk = " 1 " model = " fixtures.tag " > < field type = " CharField " name = " name " > copyright < / field > < field to = " contenttypes.contenttype " name = " tagged_type " rel = " ManyToOneRel " > < natural > fixtures < / natural > < natural > article < / natural > < / field > < field type = " PositiveIntegerField " name = " tagged_id " > 3 < / field > < / object > < object pk = " 2 " model = " fixtures.tag " > < field type = " CharField " name = " name " > law < / field > < field to = " contenttypes.contenttype " name = " tagged_type " rel = " ManyToOneRel " > < natural > fixtures < / natural > < natural > article < / natural > < / field > < field type = " PositiveIntegerField " name = " tagged_id " > 3 < / field > < / object > < object pk = " 1 " model = " fixtures.person " > < field type = " CharField " name = " name " > Django Reinhardt < / field > < / object > < object pk = " 3 " model = " fixtures.person " > < field type = " CharField " name = " name " > Prince < / field > < / object > < object pk = " 2 " model = " fixtures.person " > < field type = " CharField " name = " name " > Stephane Grappelli < / field > < / object > < / django - objects > """ , format= ' xml ' , natural_keys=True)
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class FixtureTransactionTests ( TransactionTestCase ) :
def _dumpdata_assert ( self , args , output , format = ' json ' ) :
new_io = StringIO . StringIO ( )
management . call_command ( ' dumpdata ' , * args , * * { ' format ' : format , ' stdout ' : new_io } )
command_output = new_io . getvalue ( ) . strip ( )
self . assertEqual ( command_output , output )
@skipUnlessDBFeature ( ' supports_forward_references ' )
def test_format_discovery ( self ) :
# Load fixture 1 again, using format discovery
management . call_command ( ' loaddata ' , ' fixture1 ' , verbosity = 0 , commit = False )
self . assertQuerysetEqual ( Article . objects . all ( ) , [
' <Article: Time to reform copyright> ' ,
' <Article: Poker has no place on ESPN> ' ,
' <Article: Python program becomes self aware> '
] )
# Try to load fixture 2 using format discovery; this will fail
# because there are two fixture2's in the fixtures directory
new_io = StringIO . StringIO ( )
management . call_command ( ' loaddata ' , ' fixture2 ' , verbosity = 0 , stderr = new_io )
output = new_io . getvalue ( ) . strip ( ) . split ( ' \n ' )
self . assertEqual ( len ( output ) , 1 )
self . assertTrue ( output [ 0 ] . startswith ( " Multiple fixtures named ' fixture2 ' " ) )
# object list is unaffected
self . assertQuerysetEqual ( Article . objects . all ( ) , [
' <Article: Time to reform copyright> ' ,
' <Article: Poker has no place on ESPN> ' ,
' <Article: Python program becomes self aware> '
] )
# Dump the current contents of the database as a JSON fixture
self . _dumpdata_assert ( [ ' fixtures ' ] , ' [ { " pk " : 1, " model " : " fixtures.category " , " fields " : { " description " : " Latest news stories " , " title " : " News Stories " }}, { " pk " : 3, " model " : " fixtures.article " , " fields " : { " headline " : " Time to reform copyright " , " pub_date " : " 2006-06-16 13:00:00 " }}, { " pk " : 2, " model " : " fixtures.article " , " fields " : { " headline " : " Poker has no place on ESPN " , " pub_date " : " 2006-06-16 12:00:00 " }}, { " pk " : 1, " model " : " fixtures.article " , " fields " : { " headline " : " Python program becomes self aware " , " pub_date " : " 2006-06-16 11:00:00 " }}] ' )
# Load fixture 4 (compressed), using format discovery
management . call_command ( ' loaddata ' , ' fixture4 ' , verbosity = 0 , commit = False )
self . assertQuerysetEqual ( Article . objects . all ( ) , [
' <Article: Django pets kitten> ' ,
' <Article: Time to reform copyright> ' ,
' <Article: Poker has no place on ESPN> ' ,
' <Article: Python program becomes self aware> '
] )