def test_metadata_grid_size(self, plate_wells, conn):
"""
Check that the grid represented in the metadata is the correct size
"""
plate_grid = PlateGrid(conn, plate_wells.id.val, 0)
assert len(plate_grid.metadata['grid']) == 8
assert len(plate_grid.metadata['grid'][0]) == 12
def test_instantiation(self, plate_wells, conn):
"""
Check that the helper object can be created
"""
plate_grid = PlateGrid(conn, plate_wells.id.val, 0)
assert plate_grid
assert plate_grid.plate.id == plate_wells.id.val
assert plate_grid.field == 0
def test_description(self, plate_wells_with_description, conn):
"""
Check that an images description is included with the grid metadata
"""
plate = plate_wells_with_description['plate']
description = plate_wells_with_description['description']
plate_grid = PlateGrid(conn, plate.id.val, 0)
metadata = plate_grid.metadata
assert metadata['grid'][0][0]['description'] == description
def test_creation_date(self, plate_wells_with_no_acq_date, conn):
"""
Check that plate grid metadata falls back to using creation event time
if an image has no (or an invalid) acquistion date
"""
plate = plate_wells_with_no_acq_date['plate']
creation_date = plate_wells_with_no_acq_date['creation_date']
plate_grid = PlateGrid(conn, plate.id.val, 0)
metadata = plate_grid.metadata
assert metadata['grid'][0][0]['date'] == creation_date
def test_acquisition_date(self, plate_wells_with_acq_date, conn):
"""
Check that acquisition date is used for an image in the plate if it is
specified
"""
plate = plate_wells_with_acq_date['plate']
acq_date = plate_wells_with_acq_date['acq_date']
plate_grid = PlateGrid(conn, plate.id.val, 0)
metadata = plate_grid.metadata
assert metadata['grid'][0][0]['date'] == acq_date
def test_metadata_thumbnail_url(self, plate_wells, conn):
"""
Check that extra elements of the thumbnail URL passed in the `xtra`
dictionary are properly prepended
"""
plate_grid = PlateGrid(conn, plate_wells.id.val, 0, 'foo/bar/')
metadata = plate_grid.metadata
for well in plate_wells.copyWells():
well_metadata = metadata['grid'][well.row.val][well.column.val]
if well_metadata:
assert well_metadata['thumb_url'].startswith('foo/bar/')
def test_full_grid(self, full_plate_wells, conn):
"""
Check that all wells are assigned correctly even if the entire plate of
wells is full
"""
lett = map(chr, range(ord('A'), ord('Z') + 1))
plate_grid = PlateGrid(conn, full_plate_wells.id.val, 0)
metadata = plate_grid.metadata
for row in range(8):
for column in range(12):
assert metadata['grid'][row][column]['name'] ==\
lett[row]+str(column)
assert metadata['grid'][row][column]['description'] == ''