def test_metric_collection(tmpdir):
m1 = DummyMetricSum()
m2 = DummyMetricDiff()
metric_collection = MetricCollection([m1, m2])
# Test correct dict structure
assert len(metric_collection) == 2
assert metric_collection['DummyMetricSum'] == m1
assert metric_collection['DummyMetricDiff'] == m2
# Test correct initialization
for name, metric in metric_collection.items():
assert metric.x == 0, f'Metric {name} not initialized correctly'
# Test every metric gets updated
metric_collection.update(5)
for name, metric in metric_collection.items():
assert metric.x.abs() == 5, f'Metric {name} not updated correctly'
# Test compute on each metric
metric_collection.update(-5)
metric_vals = metric_collection.compute()
assert len(metric_vals) == 2
for name, metric_val in metric_vals.items():
assert metric_val == 0, f'Metric {name}.compute not called correctly'
# Test that everything is reset
for name, metric in metric_collection.items():
assert metric.x == 0, f'Metric {name} not reset correctly'
# Test pickable
metric_pickled = pickle.dumps(metric_collection)
metric_loaded = pickle.loads(metric_pickled)
assert isinstance(metric_loaded, MetricCollection)
def test_metric_collection_prefix_postfix_args(prefix, postfix):
""" Test that the prefix arg alters the keywords in the output"""
m1 = DummyMetricSum()
m2 = DummyMetricDiff()
names = ['DummyMetricSum', 'DummyMetricDiff']
names = [prefix + n if prefix is not None else n for n in names]
names = [n + postfix if postfix is not None else n for n in names]
metric_collection = MetricCollection([m1, m2],
prefix=prefix,
postfix=postfix)
# test forward
out = metric_collection(5)
for name in names:
assert name in out, 'prefix or postfix argument not working as intended with forward method'
# test compute
out = metric_collection.compute()
for name in names:
assert name in out, 'prefix or postfix argument not working as intended with compute method'
# test clone
new_metric_collection = metric_collection.clone(prefix='new_prefix_')
out = new_metric_collection(5)
names = [n[len(prefix):] if prefix is not None else n
for n in names] # strip away old prefix
for name in names:
assert f"new_prefix_{name}" in out, 'prefix argument not working as intended with clone method'
for k, _ in new_metric_collection.items():
assert 'new_prefix_' in k
for k in new_metric_collection.keys():
assert 'new_prefix_' in k
for k, _ in new_metric_collection.items(keep_base=True):
assert 'new_prefix_' not in k
for k in new_metric_collection.keys(keep_base=True):
assert 'new_prefix_' not in k
assert type(new_metric_collection.keys(keep_base=True)) == type(
new_metric_collection.keys(keep_base=False)) # noqa E721
assert type(new_metric_collection.items(keep_base=True)) == type(
new_metric_collection.items(keep_base=False)) # noqa E721
new_metric_collection = new_metric_collection.clone(postfix='_new_postfix')
out = new_metric_collection(5)
names = [n[:-len(postfix)] if postfix is not None else n
for n in names] # strip away old postfix
for name in names:
assert f"new_prefix_{name}_new_postfix" in out, 'postfix argument not working as intended with clone method'
def test_collection_add_metrics():
m1 = DummyMetricSum()
m2 = DummyMetricDiff()
collection = MetricCollection([m1])
collection.add_metrics({'m1_': DummyMetricSum()})
collection.add_metrics(m2)
collection.update(5)
results = collection.compute()
assert results['DummyMetricSum'] == results['m1_'] and results['m1_'] == 5
assert results['DummyMetricDiff'] == -5
def test_metric_collection_prefix_arg(tmpdir):
""" Test that the prefix arg alters the keywords in the output"""
m1 = DummyMetricSum()
m2 = DummyMetricDiff()
names = ['DummyMetricSum', 'DummyMetricDiff']
metric_collection = MetricCollection([m1, m2], prefix='prefix_')
# test forward
out = metric_collection(5)
for name in names:
assert f"prefix_{name}" in out, 'prefix argument not working as intended with forward method'
# test compute
out = metric_collection.compute()
for name in names:
assert f"prefix_{name}" in out, 'prefix argument not working as intended with compute method'
# test clone
new_metric_collection = metric_collection.clone(prefix='new_prefix_')
out = new_metric_collection(5)
for name in names:
assert f"new_prefix_{name}" in out, 'prefix argument not working as intended with clone method'