def test_block_eval(self):
expr = '{% for i in _.x %}{{ i }}{% endfor %}'
data = {
'x': ['a', 'b', 'c']
}
self.assertEqual('abc', expressions.evaluate(expr, data))
def test_multi_eval(self):
expr = '{{ _.foo }} and {{ _.marco }}'
data = {
'foo': 'bar',
'marco': 'polo'
}
self.assertEqual('bar and polo', expressions.evaluate(expr, data))
def test_type_string_detection(self):
expr = '<% $.foo %> -> <% $.bar %>'
data = {
'foo': 101,
'bar': 201
}
self.assertEqual('101 -> 201', expressions.evaluate(expr, data))
def test_type_string_detection(self):
expr = '{{ _.foo }} -> {{ _.bar }}'
data = {
'foo': 101,
'bar': 201
}
self.assertEqual('101 -> 201', expressions.evaluate(expr, data))
def test_multi_eval(self):
expr = '<% $.foo %> and <% $.marco %>'
data = {
'foo': 'bar',
'marco': 'polo'
}
self.assertEqual('bar and polo', expressions.evaluate(expr, data))
def test_nested_eval(self):
expr = '{{ _.nested.foo }}'
data = {
'nested': {
'foo': 'bar'
}
}
self.assertEqual('bar', expressions.evaluate(expr, data))
def test_mix_block_and_expr_eval(self):
expr = '{{ _.a }}{% for i in _.x %}{{ i }}{% endfor %}{{ _.d }}'
data = {
'x': ['b', 'c'],
'a': 'a',
'd': 'd'
}
self.assertEqual('abcd', expressions.evaluate(expr, data))
def test_eval_recursive(self):
expr = '{{ _.fee }}'
data = {
'fee': '{{ _.fi }}',
'fi': '{{ _.fo }}',
'fo': '{{ _.fum }}',
'fum': 'fee-fi-fo-fum'
}
self.assertEqual('fee-fi-fo-fum', expressions.evaluate(expr, data))
def test_eval_recursive(self):
expr = '<% $.fee %>'
data = {
'fee': '<% $.fi %>',
'fi': '<% $.fo %>',
'fo': '<% $.fum %>',
'fum': 'fee-fi-fo-fum'
}
self.assertEqual('fee-fi-fo-fum', expressions.evaluate(expr, data))
def test_multi_block_eval(self):
expr = (
'{% for i in _.x %}{{ i }}{% endfor %}'
'{% for i in _.y %}{{ i }}{% endfor %}'
)
data = {
'x': ['a', 'b', 'c'],
'y': ['d', 'e', 'f']
}
self.assertEqual('abcdef', expressions.evaluate(expr, data))
def test_type_preservation(self):
data = {
'k1': 101,
'k2': 1.999,
'k3': True,
'k4': [1, 2],
'k5': {'k': 'v'},
'k6': None
}
self.assertEqual(
data['k1'],
expressions.evaluate('{{ _.k1 }}', data)
)
self.assertEqual(
data['k2'],
expressions.evaluate('{{ _.k2 }}', data)
)
self.assertTrue(expressions.evaluate('{{ _.k3 }}', data))
self.assertListEqual(
data['k4'],
expressions.evaluate('{{ _.k4 }}', data)
)
self.assertDictEqual(
data['k5'],
expressions.evaluate('{{ _.k5 }}', data)
)
self.assertIsNone(expressions.evaluate('{{ _.k6 }}', data))
def test_multi_eval_recursive(self):
expr = '<% $.fee %> <% $.im %>'
data = {
'fee': '<% $.fi %>',
'fi': '<% $.fo %>',
'fo': '<% $.fum %>',
'fum': 'fee-fi-fo-fum!',
'im': '<% $.hungry %>',
'hungry': 'i\'m hungry!'
}
self.assertEqual(
'fee-fi-fo-fum! i\'m hungry!',
expressions.evaluate(expr, data)
)
def test_multi_eval_recursive(self):
expr = '{{ _.fee }} {{ _.im }}'
data = {
'fee': '{{ _.fi }}',
'fi': '{{ _.fo }}',
'fo': '{{ _.fum }}',
'fum': 'fee-fi-fo-fum!',
'im': '{{ _.hungry }}',
'hungry': 'i\'m hungry!'
}
self.assertEqual(
'fee-fi-fo-fum! i\'m hungry!',
expressions.evaluate(expr, data)
)
def on_task_complete(self, task, context=None):
self.wf_ex_graph.update_task(task['id'], state=task['state'])
context = utils.merge_dicts(
context or {},
{'__task_states': self.wf_ex_graph.get_task_attributes('state')},
overwrite=True
)
tasks = []
outbounds = []
for seq in self.wf_ex_graph.get_next_sequences(task['id']):
evaluated_criteria = [
expressions.evaluate(criterion, context)
for criterion in seq[3]['criteria']
]
if all(evaluated_criteria):
outbounds.append(seq)
for seq in outbounds:
next_task_id, seq_key, attrs = seq[1], seq[2], seq[3]
next_task = self.wf_ex_graph.get_task(next_task_id)
if not attrs.get('satisfied', False):
self.wf_ex_graph.update_sequence(
task['id'],
next_task_id,
key=seq_key,
satisfied=True
)
join_spec = next_task.get('join')
if join_spec:
inbounds = self.wf_ex_graph.get_prev_sequences(next_task_id)
satisfied = [s for s in inbounds if s[3].get('satisfied')]
join_spec = len(inbounds) if join_spec == 'all' else join_spec
if len(satisfied) < join_spec:
continue
tasks.append({'id': next_task_id, 'name': next_task['name']})
return sorted(tasks, key=lambda x: x['name'])
def test_block_eval_recursive(self):
expr = '{% for i in _.x %}{{ i }}{% endfor %}'
data = {
'x': [
'{{ _.a }}',
'{{ _.b }}',
'{{ _.c }}'
'{% for j in _.y %}{{ j }}{% endfor %}'
],
'a': 'a',
'b': 'b',
'c': 'c',
'y': ['d', 'e', 'f']
}
self.assertEqual('abcdef', expressions.evaluate(expr, data))
def test_custom_function(self):
expr = '{{ json(\'{"a": 123}\') }}'
self.assertDictEqual({'a': 123}, expressions.evaluate(expr))
def test_basic_eval(self):
expr = '{{ _.foo }}'
data = {'foo': 'bar'}
self.assertEqual('bar', expressions.evaluate(expr, data))