/
filters.coffee
517 lines (458 loc) · 22.3 KB
/
filters.coffee
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{Model} = require './fixtures/models'
{Related, Many} = require './fixtures/related'
{models, exceptions, unittest, unit, test} = require './_utils'
random_name = {
toString:->
''+~~(Math.random()*100)
}
module.exports = exports =
'test basic api':unit(
{}
(assert)->
'Test that filters are functions.'
filter = Model.objects.all()
assert.ok filter.call?
assert.ok filter.apply?
assert.isInstance filter, Function
assert.doesNotThrow Error, ()->
filter()
(assert)->
"Test that filters are event emitters."
filter = Model.objects.all()
assert.ok filter.on?
assert.ok filter.emit?
expected = Math.random()
filter.on 'randomthing', assert.async (anything) -> assert.equal anything, expected
filter.emit 'randomthing', expected
(assert)->
"Test that filter chaining results in the same filter."
filter = Model.objects.all()
assert.strictEqual filter, filter.filter({anything:'random'})
(assert)->
"Test that invalid fields result in an error being emitted."
filter = Model.objects.filter
dne:Math.random()
filter assert.async (err)->
assert.isInstance err, exceptions.SchemaError
(assert)->
"Test that an invalid lookup parameter results in an error being emitted."
filter = Model.objects.filter
anything:null
filter assert.async (err)->
assert.isInstance err, exceptions.ValidationError
(assert)->
"Test that exact filtering returns results as expected."
creation = Model.objects.create
anything:'okay'
validated:'alright'
creation assert.async (err, data)->
assert.fail err
correct = Model.objects.filter {anything:'okay'}
wrong = Model.objects.filter {anything:'not okay'}
correct assert.async (err, rows)->
assert.equal rows.length, 1
assert.isInstance rows[0], Model
assert.fail err
wrong assert.async (err, rows)->
assert.fail err
assert.equal rows.length, 0
(assert)->
"Test that creation with invalid parameters emits a ValidationError."
creation = Model.objects.create
anything:'okay'
validated:'anything?!?'
creation assert.async (err, data)->
assert.isInstance err, exceptions.ValidationError
assert.fail data
creation2 = Model.objects.create
validated:'okay'
creation2 assert.async (err, data)->
assert.isInstance err, exceptions.ValidationError
assert.fail data
(assert)->
"Test that exclude works as expected."
random_name = "random_#{~~(Math.random() * 100)}"
creation = Model.objects.create
anything:random_name
validated:'okay'
creation assert.async (err, data)->
assert.fail err
assert.ok data
pk = data.pk
exclusion = Model.objects.all().exclude {pk:pk}
exclusion assert.async (err, data)->
assert.fail err
assert.ok data
assert.strictEqual (instance for instance in data when instance.pk is pk).length, 0
)
'test filtering':unit(
{}
(assert)->
"Test that exact grabs the exact model specific."
random_name = "random_exact_test_#{~~(Math.random()*100)}"
creation = Model.objects.create
anything:random_name
validated:'okay'
creation assert.async (err, data)->
assert.fail err
pk = data.pk
Model.objects.filter({anything__exact:random_name}) assert.async (err, rows)->
assert.equal rows.length, 1
assert.equal rows[0].pk, pk
(assert)->
"Test that contains grabs the appropriate model."
random_name = "random_contains_test_#{~~(Math.random()*100)}"
creation = Model.objects.create
anything:random_name
validated:'okay'
creation assert.async (err, data)->
assert.fail err
pk = data.pk
Model.objects.filter({anything__contains:'_contains_'}) assert.async (err, rows)->
assert.equal rows.length, 1
assert.equal rows[0].pk, pk
(assert)->
"Test that `in` returns the appropriate model(s)."
random_name = "random_contains_test_#{~~(Math.random()*100)}"
creation = Model.objects.create
anything:random_name
validated:'okay'
creation assert.async (err, data)->
assert.fail err
pk = data.pk
Model.objects.filter({pk__in:[pk, 1000]}) assert.async (err, rows)->
assert.equal rows.length, 1
assert.equal rows[0].pk, pk
Model.objects.filter({pk__in:Model.objects.filter({anything:random_name}).flat_values_list 'pk'}) assert.async (err, rows)->
assert.equal rows.length, 1
assert.equal rows[0].pk, pk
(assert)->
"Test that `gt` returns rows greater than the current number."
creation1 = Model.objects.create
anything:'lol'
validated:'okay'
creation1 assert.async (err, data)->
assert.fail err
pk = data.pk
creation2 = Model.objects.create
anything:'lol2'
validated:'okay'
creation2 assert.async (err, data)->
assert.fail err
pk2 = data.pk
Model.objects.filter({pk__gt:pk}) assert.async (err, data)->
assert.fail err
assert.equal (model.pk for model in data when model.pk is pk2).length, 1
assert.equal (model.pk for model in data when model.pk is pk).length, 0
(assert)->
"Test that `gte` returns rows greater or equal than the current number."
creation1 = Model.objects.create
anything:'lol'
validated:'okay'
creation1 assert.async (err, data)->
assert.fail err
pk = data.pk
creation2 = Model.objects.create
anything:'lol2'
validated:'okay'
creation2 assert.async (err, data)->
assert.fail err
pk2 = data.pk
Model.objects.filter({pk__gte:pk}) assert.async (err, data)->
assert.fail err
assert.equal data.length, 2
assert.equal (model.pk for model in data when model.pk is pk2).length, 1
assert.equal (model.pk for model in data when model.pk is pk).length, 1
(assert)->
"Test that `lt` returns rows lesser than the current number."
Model.objects.delete() assert.async (err, data)->
assert.fail err
creation1 = Model.objects.create
anything:'lol'
validated:'okay'
creation1 assert.async (err, data)->
assert.fail err
pk = data.pk
creation2 = Model.objects.create
anything:'lol2'
validated:'okay'
creation2 assert.async (err, data)->
assert.fail err
pk2 = data.pk
Model.objects.filter({pk__lt:pk2}) assert.async (err, data)->
assert.fail err
assert.equal data.length, 1
assert.equal (model.pk for model in data when model.pk is pk2).length, 0
assert.equal (model.pk for model in data when model.pk is pk).length, 1
(assert)->
"Test that `lte` returns rows lesser than the current number."
Model.objects.delete() assert.async (err, data)->
assert.fail err
creation1 = Model.objects.create
anything:'lol'
validated:'okay'
creation1 assert.async (err, data)->
assert.fail err
pk = data.pk
creation2 = Model.objects.create
anything:'lol2'
validated:'okay'
creation2 assert.async (err, data)->
assert.fail err
pk2 = data.pk
Model.objects.filter({pk__lte:pk2}) assert.async (err, data)->
assert.fail err
assert.equal data.length, 2
assert.equal (model.pk for model in data when model.pk is pk2).length, 1
assert.equal (model.pk for model in data when model.pk is pk).length, 1
(assert)->
"Test that `startswith` returns rows with fields that start with the value."
random_name_start = "test_startswith_#{~~(100*Math.random())}_"
random_name = "#{random_name_start}#{~~(100*Math.random())}"
rex = new RegExp '^'+random_name_start
Model.objects.create({anything:random_name, validated:'okay'}) assert.async (err)->
assert.fail err
Model.objects.filter({anything__startswith:random_name_start}) assert.async (err, instances)->
assert.fail err
assert.equal instances.length, 1
assert.ok rex.test instances[0].anything
(assert)->
"Test that `endswith` returns rows with fields that end with the value."
random_name_end = "_test_endswith_#{~~(100*Math.random())}"
random_name = "#{~~(100*Math.random())}#{random_name_end}"
rex = new RegExp random_name_end+'$'
Model.objects.create({anything:random_name, validated:'okay'}) assert.async (err)->
assert.fail err
Model.objects.filter({anything__endswith:random_name_end}) assert.async (err, instances)->
assert.fail err
assert.equal instances.length, 1
assert.ok rex.test instances[0].anything
(assert)->
"Assert that range works."
random_name = "random_range_test_#{~~(Math.random()*100)}"
creation = Model.objects.create
anything:random_name
validated:'okay'
creation assert.async (err, data)->
assert.fail err
pk = data.pk
# remember, __range is inclusive.
Model.objects.filter({pk__range:[pk, pk+1]}) assert.async (err, rows)->
assert.equal rows.length, 1
assert.equal rows[0].pk, pk
Model.objects.filter({pk__range:[pk+1, pk+20]}) assert.async (err, rows)->
assert.equal rows.length, 0
)
'test foreign key filtering api':unit(
{}
(assert)->
'Test that filtering on local relations works as expected.'
expected_anything = "related_anything_#{~~(100*Math.random())}"
creation = Related.objects.create
model:Model.objects.create {anything:expected_anything, validated:'whatever'}
creation assert.async (err, related_instance)->
assert.fail err
Related.objects.filter({model__anything:expected_anything}) assert.async (err, related_list)->
assert.fail err
related = related_list[0]
assert.equal related.pk, related_instance.pk
related.model() assert.async (err, model_lhs)->
related_instance.model() assert.async (err, model_rhs)->
assert.equal model_lhs.pk, model_rhs.pk
assert.equal model_lhs.anything, expected_anything
assert.equal model_rhs.anything, expected_anything
(assert)->
'Test that filtering on reverse relations works as expected.'
expected_anything = "related_anything_#{~~(100*Math.random())}"
creation = Related.objects.create
model:Model.objects.create {anything:expected_anything, validated:'whatever'}
creation assert.async (err, related_instance)->
assert.fail err
assert.ok related_instance
related_instance.model() assert.async (err, model)->
assert.fail err
assert.ok model
Model.objects.filter({related_set__pk:related_instance.pk}) assert.async (err, data)->
assert.fail err
assert.ok data
assert.equal data.length, 1
assert.equal data[0].pk, model.pk
(assert)->
'Test that filtering back onto the originating model works as expected.'
expected_anything = "related_anything_#{~~(100*Math.random())}"
creation = Related.objects.create
model:Model.objects.create {anything:expected_anything, validated:'whatever'}
creation assert.async (err, related_instance)->
assert.fail err
assert.ok related_instance
related_instance.model() assert.async (err, model)->
assert.fail err
assert.ok model
Model.objects.filter({related_set__model__pk:model.pk}) assert.async (err, data)->
assert.fail err
assert.ok data
assert.equal data.length, 1
assert.equal data[0].pk, model.pk
(assert)->
'Test that filtering on M2M relations works as expected.'
creation = Related.objects.create
model:Model.objects.create {anything:'lolwut', validated:'whatever'}
creation assert.async (err, related)->
assert.fail err
assert.ok related
related.model() assert.async (err, model)->
assert.fail err
assert.ok model
creation = Many.objects.create {}
creation assert.async (err, many)->
assert.fail err
assert.ok many
addition = many.related.add related
addition assert.async (err, data)->
Many.objects.filter({related__model__pk:model.pk}) assert.async (err, rows)->
assert.fail err
assert.ok rows
assert.equal rows.length, 1
assert.equal rows[0].pk, many.pk
(assert)->
'Test that filtering on reverse M2M relations works as expected.'
creation = Related.objects.create
model:Model.objects.create {anything:'lolwut', validated:'whatever'}
creation assert.async (err, related)->
assert.fail err
assert.ok related
related.model() assert.async (err, model)->
assert.fail err
assert.ok model
creation = Many.objects.create {}
creation assert.async (err, many)->
assert.fail err
assert.ok many
addition = many.related.add related
addition assert.async (err, data)->
Related.objects.filter({manytomany_set__pk:many.pk}) assert.async (err, rows)->
assert.fail err
assert.ok rows
assert.equal rows.length, 1
assert.equal rows[0].pk, related.pk
)
'test of count':unittest(
models.namespace 'count', (ns)->
Countable = ns.create 'Countable'
Countable.schema
some_random_value:models.CharField {default:->'lol'}
test "Test that count works as expected", (ns, assert)->
num = ~~(Math.random() * 10) + 1
expected = num
{Countable} = ns.models
ready = assert.async (err, data)->
assert.fail err
Countable.objects.all().count() assert.async (err, data)->
assert.fail err
assert.ok data
assert.equal data, expected
for i in [0...num]
Countable.objects.create({}) (err, data)->
assert.fail err
--num
if num is 0 then ready()
test "Test that count works on filtered objects", (ns, assert)->
num = ~~(Math.random() * 10) + 10
expected = 0
{Countable} = ns.models
finish = assert.async -> lol?
ready = (err, data)->
assert.fail err
finish()
Countable.objects.filter({some_random_value:'okay'}).count() assert.async (err, data)->
assert.fail err
assert.ok data
assert.equal data, expected
recurse = (err, data)->
--num
if num is 0
ready()
else
assert.fail err
creation = {some_random_value:'blah'}
if Math.random() > 0.4
++expected
creation = {some_random_value:'okay'}
Countable.objects.create(creation) assert.async recurse
recurse()
)
'test of order by':unittest(
models.namespace 'order_by', (ns)->
Simple = ns.create 'Simple'
Complex = ns.create 'Complex'
Through = ns.create 'Through'
Simple.schema
name:models.CharField
m2m:models.ManyToMany Complex, {through:Through, related_name:'m2m_simple'}
Through.schema
simple:models.ForeignKey Simple
complex:models.ForeignKey Complex
Complex.schema
name:models.CharField
friend:models.ForeignKey Simple
Complex.meta
order_by:['-name']
Complex::__ident__ = 'name'
test "Test that reverse fk queries respect child model order_by", (ns, assert)->
{Simple, Complex} = ns.models
name = 'simple_'+random_name
child_name_1 = 'aardvark_'+random_name
child_name_2 = 'zed_'+random_name
Simple.objects.create({name:name}) assert.async (err, parent)->
assert.fail err
assert.ok parent
[ parent.complex_set.create({name:child_name_2})
, parent.complex_set.create({name:child_name_1})].collect assert.async (err, data)->
assert.fail err.filter((i)->i isnt null).length
assert.ok data.length
parent.complex_set.all() assert.async (err, children)->
assert.fail err
assert.ok children
assert.equal children[0].name, child_name_2
assert.equal children[1].name, child_name_1
test "Test that m2m queries respect child model order_by", (ns, assert)->
{Simple, Complex} = ns.models
name = 'simple_'+random_name
child_name_1 = 'aardvark_'+random_name
child_name_2 = 'zed_'+random_name
Simple.objects.create({name:name}) assert.async (err, parent)->
assert.fail err
assert.ok parent
[ parent.complex_set.create({name:child_name_2})
, parent.complex_set.create({name:child_name_1})].collect assert.async (err, data)->
assert.fail err.filter((i)->i isnt null).length
assert.ok data.length
[ parent.m2m.add(data[0])
, parent.m2m.add(data[1])].collect assert.async (err, data)->
assert.fail err.filter((i)->i isnt null).length
assert.ok data.length
parent.m2m.all() assert.async (err, children)->
assert.fail err
assert.ok children
assert.equal children[0].name, child_name_2
assert.equal children[1].name, child_name_1
test 'Test that order_by can be passed to queryset to change ordering', (ns, assert)->
{Simple, Complex} = ns.models
name = 'simple_'+random_name
child_name_1 = 'aardvark_'+random_name
child_name_2 = 'zed_'+random_name
Complex.objects.delete() assert.async (err)->
Simple.objects.create({name:name}) assert.async (err, parent)->
assert.fail err
assert.ok parent
[ parent.complex_set.create({name:child_name_2})
, parent.complex_set.create({name:child_name_1})].collect assert.async (err, data)->
assert.fail err.filter((i)->i isnt null).length
assert.ok data.length
Complex.objects.all().order_by('name') assert.async (err, data)->
assert.fail err
assert.ok data
assert.equal data.length, 2
assert.equal data[0].name, child_name_1
assert.equal data[1].name, child_name_2
)