Add a minimal test case to test a small bit of the django app.

(I needed to figure out how to do testing for django).

there's a tool nosedjango from http://hg.assembla.com/nosedjango
that adds auto-detection of the django settings file to
nose.

I needed to modify it for our app though.

diff --git a/htsworkflow/frontend/samples/tests.py b/htsworkflow/frontend/samples/tests.py
new file mode 100644 (file)
index 0000000..9e8a2a3
--- /dev/null
+++ b/htsworkflow/frontend/samples/tests.py
@@ -0,0 +1,102 @@
+import datetime
+import unittest
+from htsworkflow.frontend.samples.models import \
+        Affiliation, \
+        ExperimentType, \
+        Species, \
+        Library
+
+# The django test runner flushes the database between test suites not cases,
+# so to be more compatible with running via nose we flush the database tables
+# of interest before creating our sample data.
+def create_db(obj):
+    Species.objects.all().delete()
+    obj.species_human = Species(
+        scientific_name = 'Homo Sapeins',
+        common_name = 'human',
+    )
+    obj.species_human.save()
+    obj.species_worm = Species(
+        scientific_name = 'C. Elegans',
+        common_name = 'worm',
+    )
+    obj.species_worm.save()
+    obj.species_phix = Species(
+        scientific_name = 'PhiX',
+        common_name = 'PhiX'
+    )
+    obj.species_phix.save()
+
+    ExperimentType.objects.all().delete()
+    obj.experiment_de_novo = ExperimentType(
+        name = 'De Novo',
+    )
+    obj.experiment_de_novo.save()
+    obj.experiment_chip_seq = ExperimentType(
+        name = 'ChIP-Seq'
+    )
+    obj.experiment_chip_seq.save()
+    obj.experiment_rna_seq = ExperimentType(
+        name = 'RNA-Seq'
+    )
+    obj.experiment_rna_seq.save()
+
+    Affiliation.objects.all().delete()
+    obj.affiliation_alice = Affiliation(
+        name = 'Alice',
+        contact = 'Lab Boss',
+        email = 'alice@some.where.else.'
+    )
+    obj.affiliation_alice.save()
+    obj.affiliation_bob = Affiliation(
+        name = 'Bob',
+        contact = 'Other Lab Boss',
+        email = 'bob@some.where.else',
+    )
+    obj.affiliation_bob.save()
+
+    Library.objects.all().delete()
+    obj.library_10001 = Library(
+        library_id = 10001,
+        library_name = 'C2C12 named poorly',
+        library_species = obj.species_human,
+        experiment_type = obj.experiment_rna_seq,
+        creation_date = datetime.datetime.now(),
+        made_for = 'scientist unit 2007',
+        made_by = 'microfludics system 7321',
+        stopping_point = '2A',
+        undiluted_concentration = '5.01',
+    )
+    obj.library_10001.save()
+    obj.library_10002 = Library(
+        library_id = 10002,
+        library_name = 'Worm named poorly',
+        library_species = obj.species_human,
+        experiment_type = obj.experiment_rna_seq,
+        creation_date = datetime.datetime.now(),
+        made_for = 'scientist unit 2007',
+        made_by = 'microfludics system 7321',
+        stopping_point = '2A',
+        undiluted_concentration = '5.01',
+    )
+    obj.library_10002.save()
+ 
+class LibraryTestCase(unittest.TestCase):
+    def setUp(self):
+        create_db(self)
+               
+    def testOrganism(self):
+        self.assertEquals(self.library_10001.organism(), 'human')
+
+    def testAffiliations(self):
+        self.library_10001.affiliations.add(self.affiliation_alice)
+        self.library_10002.affiliations.add(
+                self.affiliation_alice, 
+                self.affiliation_bob
+        )
+        self.failUnless(len(self.library_10001.affiliations.all()), 1)
+        self.failUnless(self.library_10001.affiliation(), 'Alice')
+
+        self.failUnless(len(self.library_10002.affiliations.all()), 2)
+        self.failUnless(self.library_10001.affiliation(), 'Alice, Bob')
+