updated accession_number length to 60 so that it will play nicely wit…

…h the file upload field

 since its being used as part of the path. Updated a couple tests to populate the accession_field in a form which is now required.

open_fmri/apps/dataset/models.py

@@ -27,7 +27,7 @@ class Dataset(models.Model):
     summary = models.TextField(null=True)
     sample_size = models.IntegerField()
     scanner_type = models.TextField(blank=True)
-    accession_number = models.CharField(max_length=200, blank=True, null=True)
+    accession_number = models.CharField(max_length=60, unique=True)
     acknowledgements = models.TextField(null=True, blank=True)
 
     # These three fields are for any papers associated with the dataset

open_fmri/apps/dataset/test_forms.py

@@ -20,6 +20,7 @@ def test_valid_data(self):
             'project_name': 'project name',
             'summary': 'summary',
             'sample_size': 2,
+            'accession_number': 'ds0000madeup',
             'license_title': 'PPDL',
             'workflow_stage': 'SUBMITTED',
             'status': 'UNPUBLISHED'

open_fmri/apps/dataset/test_views.py

@@ -68,6 +68,7 @@ def test_create_view_login_valid_data(self):
             'project_name': 'unique', 
             'summary': self.dataset.summary,
             'sample_size': self.dataset.sample_size,
+            'accession_number': 'dsmadeup',
             'workflow_stage': 'SUBMITTED',
             'status': 'UNPUBLISHED',
             'curated': False,
@@ -121,6 +122,7 @@ def test_update_view_login_valid_data(self):
             'project_name': 'unique', 
             'summary': self.dataset.summary,
             'sample_size': self.dataset.sample_size,
+            'accession_number': 'dsmadeup',
             'workflow_stage': 'SUBMITTED',
             'status': 'UNPUBLISHED',
             'curated': False,