def test_export_no_values(backend):
out_file = StringIO()
export_json(backend, out_file)
contents = json.loads(out_file.getvalue())
expected = basic_contents()
assert contents == expected
def test_export_no_values(backend):
out_file = StringIO()
export_json(backend, out_file)
contents = json.loads(out_file.getvalue())
expected = basic_contents()
assert contents == expected
def test_export_empty():
b = SQLBackend('sqlite://')
out_file = StringIO()
export_json(b, out_file)
contents = json.loads(out_file.getvalue())
expected = {'version': ln.__version__, 'series': []}
assert contents == expected
def test_export_empty():
b = SQLBackend('sqlite://')
out_file = StringIO()
export_json(b, out_file)
contents = json.loads(out_file.getvalue())
expected = {'version': ln.__version__, 'series': []}
assert contents == expected
def test_export_scalar(backend):
backend.add_data('float', datetime(2012, 1, 15, 1, 0, 0), 1.0)
backend.add_data('float', datetime(2012, 1, 30, 1, 0, 0), 2.0)
out_file = StringIO()
export_json(backend, out_file)
contents = json.loads(out_file.getvalue())
expected = basic_contents()
expected['series'][0]['points'] = [['2012-01-15 01:00:00', 1.0],
['2012-01-30 01:00:00', 2.0]]
assert contents == expected
def test_export_scalar(backend):
backend.add_data('float', datetime(2012, 1, 15, 1, 0, 0), 1.0)
backend.add_data('float', datetime(2012, 1, 30, 1, 0, 0), 2.0)
out_file = StringIO()
export_json(backend, out_file)
contents = json.loads(out_file.getvalue())
expected = basic_contents()
expected['series'][0]['points'] = [
['2012-01-15 01:00:00', 1.0],
['2012-01-30 01:00:00', 2.0]
]
assert contents == expected
def test_export_array(backend):
backend.add_data('array', datetime(2012, 1, 15, 1, 0, 0),
[1.0, 2.0, 3.0, 4.0])
backend.add_data('array', datetime(2012, 1, 30, 1, 0, 0),
[2.0, 4.0, 6.0, 8.0])
out_file = StringIO()
export_json(backend, out_file)
contents = json.loads(out_file.getvalue())
expected = basic_contents()
expected['series'][1]['points'] = [[
'2012-01-15 01:00:00', [1.0, 2.0, 3.0, 4.0]
], ['2012-01-30 01:00:00', [2.0, 4.0, 6.0, 8.0]]]
assert contents == expected
def test_export_array(backend):
backend.add_data('array',
datetime(2012, 1, 15, 1, 0, 0), [1.0, 2.0, 3.0, 4.0])
backend.add_data('array',
datetime(2012, 1, 30, 1, 0, 0), [2.0, 4.0, 6.0, 8.0])
out_file = StringIO()
export_json(backend, out_file)
contents = json.loads(out_file.getvalue())
expected = basic_contents()
expected['series'][1]['points'] = [
['2012-01-15 01:00:00', [1.0, 2.0, 3.0, 4.0]],
['2012-01-30 01:00:00', [2.0, 4.0, 6.0, 8.0]]
]
assert contents == expected
def test_export_blob(backend):
blob1 = b'\x00\x01\xff'
blob2 = b'\x20\x40\x60'
backend.add_data('blob', datetime(2012, 1, 15, 1, 0, 0), blob1)
backend.add_data('blob', datetime(2012, 1, 30, 1, 0, 0), blob2)
out_file = StringIO()
export_json(backend, out_file)
contents = json.loads(out_file.getvalue())
expected = basic_contents()
expected['series'][2]['points'] = [[
'2012-01-15 01:00:00',
base64.b64encode(blob1).decode('utf-8')
], ['2012-01-30 01:00:00',
base64.b64encode(blob2).decode('utf-8')]]
assert contents == expected
def test_export_blob(backend):
blob1 = b'\x00\x01\xff'
blob2 = b'\x20\x40\x60'
backend.add_data('blob',
datetime(2012, 1, 15, 1, 0, 0), blob1)
backend.add_data('blob',
datetime(2012, 1, 30, 1, 0, 0), blob2)
out_file = StringIO()
export_json(backend, out_file)
contents = json.loads(out_file.getvalue())
expected = basic_contents()
expected['series'][2]['points'] = [
['2012-01-15 01:00:00', base64.b64encode(blob1).decode('utf-8')],
['2012-01-30 01:00:00', base64.b64encode(blob2).decode('utf-8')]
]
assert contents == expected