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Source code for galaxy.tools.test
import logging
import os
import os.path
from six import string_types
import galaxy.tools.parameters.basic
import galaxy.tools.parameters.grouping
from galaxy.tools.verify.interactor import ToolTestDescription
from galaxy.util import string_as_bool
try:
from nose.tools import nottest
except ImportError:
def nottest(x):
return x
log = logging.getLogger(__name__)
[docs]@nottest
def parse_tests(tool, tests_source):
"""
Build ToolTestBuilder objects for each "<test>" elements and
return default interactor (if any).
"""
raw_tests_dict = tests_source.parse_tests_to_dict()
tests = []
for i, raw_test_dict in enumerate(raw_tests_dict.get('tests', [])):
test = description_from_tool_object(tool, i, raw_test_dict)
tests.append(test)
return tests
[docs]def description_from_tool_object(tool, test_index, raw_test_dict):
required_files = []
num_outputs = raw_test_dict.get('expect_num_outputs', None)
if num_outputs:
num_outputs = int(num_outputs)
try:
processed_inputs = _process_raw_inputs(tool, tool.inputs, raw_test_dict["inputs"], required_files)
processed_test_dict = {
"inputs": processed_inputs,
"outputs": raw_test_dict["outputs"],
"output_collections": raw_test_dict["output_collections"],
"num_outputs": num_outputs,
"command_line": raw_test_dict.get("command", None),
"stdout": raw_test_dict.get("stdout", None),
"stderr": raw_test_dict.get("stderr", None),
"expect_exit_code": raw_test_dict.get("expect_exit_code", None),
"expect_failure": raw_test_dict.get("expect_failure", False),
"required_files": required_files,
"tool_id": tool.id,
"test_index": test_index,
"error": False,
}
except Exception as e:
log.exception("Failed to load tool test number [%d] for %s" % (test_index, tool.id))
processed_test_dict = {
"tool_id": tool.id,
"test_index": test_index,
"inputs": {},
"error": True,
"exception": str(e),
}
return ToolTestDescription(processed_test_dict)
def _process_raw_inputs(tool, tool_inputs, raw_inputs, required_files, parent_context=None):
"""
Recursively expand flat list of inputs into "tree" form of flat list
(| using to nest to new levels) structure and expand dataset
information as proceeding to populate self.required_files.
"""
parent_context = parent_context or RootParamContext()
expanded_inputs = {}
for key, value in tool_inputs.items():
if isinstance(value, galaxy.tools.parameters.grouping.Conditional):
cond_context = ParamContext(name=value.name, parent_context=parent_context)
case_context = ParamContext(name=value.test_param.name, parent_context=cond_context)
raw_input_dict = case_context.extract_value(raw_inputs)
case_value = raw_input_dict["value"] if raw_input_dict else None
case = _matching_case_for_value(tool, value, case_value)
if case:
for input_name, input_value in case.inputs.items():
case_inputs = _process_raw_inputs(tool, {input_name: input_value}, raw_inputs, required_files, parent_context=cond_context)
expanded_inputs.update(case_inputs)
if not value.type == "text":
expanded_case_value = _split_if_str(case.value)
if case_value is not None:
# A bit tricky here - we are growing inputs with value
# that may be implicit (i.e. not defined by user just
# a default defined in tool). So we do not want to grow
# expanded_inputs and risk repeat block viewing this
# as a new instance with value defined and hence enter
# an infinite loop - hence the "case_value is not None"
# check.
processed_value = _process_simple_value(value.test_param, expanded_case_value)
expanded_inputs[case_context.for_state()] = processed_value
elif isinstance(value, galaxy.tools.parameters.grouping.Section):
context = ParamContext(name=value.name, parent_context=parent_context)
for r_name, r_value in value.inputs.items():
expanded_input = _process_raw_inputs(tool, {context.for_state(): r_value}, raw_inputs, required_files, parent_context=context)
if expanded_input:
expanded_inputs.update(expanded_input)
elif isinstance(value, galaxy.tools.parameters.grouping.Repeat):
repeat_index = 0
while True:
context = ParamContext(name=value.name, index=repeat_index, parent_context=parent_context)
updated = False
for r_name, r_value in value.inputs.items():
expanded_input = _process_raw_inputs(tool, {context.for_state(): r_value}, raw_inputs, required_files, parent_context=context)
if expanded_input:
expanded_inputs.update(expanded_input)
updated = True
if not updated:
break
repeat_index += 1
else:
context = ParamContext(name=value.name, parent_context=parent_context)
raw_input_dict = context.extract_value(raw_inputs)
if raw_input_dict:
name = raw_input_dict["name"]
param_value = raw_input_dict["value"]
param_extra = raw_input_dict["attributes"]
if not value.type == "text":
param_value = _split_if_str(param_value)
if isinstance(value, galaxy.tools.parameters.basic.DataToolParameter):
if not isinstance(param_value, list):
param_value = [param_value]
map(lambda v: _add_uploaded_dataset(context.for_state(), v, param_extra, value, required_files), param_value)
processed_value = param_value
elif isinstance(value, galaxy.tools.parameters.basic.DataCollectionToolParameter):
assert 'collection' in param_extra
collection_def = param_extra['collection']
for input_dict in collection_def.collect_inputs():
name = input_dict["name"]
value = input_dict["value"]
attributes = input_dict["attributes"]
require_file(name, value, attributes, required_files)
processed_value = collection_def
else:
processed_value = _process_simple_value(value, param_value)
expanded_inputs[context.for_state()] = processed_value
return expanded_inputs
def _process_simple_value(param, param_value):
if isinstance(param, galaxy.tools.parameters.basic.SelectToolParameter) and hasattr(param, 'static_options'):
# Tests may specify values as either raw value or the value
# as they appear in the list - the API doesn't and shouldn't
# accept the text value - so we need to convert the text
# into the form value.
def process_param_value(param_value):
found_value = False
value_for_text = None
if param.static_options:
for (text, opt_value, selected) in param.static_options:
if param_value == opt_value:
found_value = True
if value_for_text is None and param_value == text:
value_for_text = opt_value
if not found_value and value_for_text is not None:
processed_value = value_for_text
else:
processed_value = param_value
return processed_value
# Do replacement described above for lists or singleton
# values.
if isinstance(param_value, list):
processed_value = list(map(process_param_value, param_value))
else:
processed_value = process_param_value(param_value)
elif isinstance(param, galaxy.tools.parameters.basic.BooleanToolParameter):
# Like above, tests may use the tool define values of simply
# true/false.
processed_value = _process_bool_param_value(param, param_value)
else:
processed_value = param_value
return processed_value
def _matching_case_for_value(tool, cond, declared_value):
test_param = cond.test_param
if isinstance(test_param, galaxy.tools.parameters.basic.BooleanToolParameter):
if declared_value is None:
# No explicit value for param in test case, determine from default
query_value = test_param.checked
else:
query_value = _process_bool_param_value(test_param, declared_value)
def matches_declared_value(case_value):
return _process_bool_param_value(test_param, case_value) == query_value
elif isinstance(test_param, galaxy.tools.parameters.basic.SelectToolParameter):
if declared_value is not None:
# Test case supplied explicit value to check against.
def matches_declared_value(case_value):
return case_value == declared_value
elif test_param.static_options:
# No explicit value in test case, not much to do if options are dynamic but
# if static options are available can find the one specified as default or
# fallback on top most option (like GUI).
for (name, value, selected) in test_param.static_options:
if selected:
default_option = name
else:
first_option = test_param.static_options[0]
first_option_value = first_option[1]
default_option = first_option_value
def matches_declared_value(case_value):
return case_value == default_option
else:
# No explicit value for this param and cannot determine a
# default - give up. Previously this would just result in a key
# error exception.
msg = "Failed to find test parameter value specification required for conditional %s" % cond.name
raise Exception(msg)
# Check the tool's defined cases against predicate to determine
# selected or default.
for i, case in enumerate(cond.cases):
if matches_declared_value(case.value):
return case
else:
msg_template = "%s - Failed to find case matching value (%s) for test parameter specification for conditional %s. Remainder of test behavior is unspecified."
msg = msg_template % (tool.id, declared_value, cond.name)
log.info(msg)
def _add_uploaded_dataset(name, value, extra, input_parameter, required_files):
if value is None:
assert input_parameter.optional, '%s is not optional. You must provide a valid filename.' % name
return value
return require_file(name, value, extra, required_files)
def _split_if_str(value):
split = isinstance(value, string_types)
if split:
value = value.split(",")
return value
def _process_bool_param_value(param, param_value):
assert isinstance(param, galaxy.tools.parameters.basic.BooleanToolParameter)
was_list = False
if isinstance(param_value, list):
was_list = True
param_value = param_value[0]
if param.truevalue == param_value:
processed_value = True
elif param.falsevalue == param_value:
processed_value = False
else:
processed_value = string_as_bool(param_value)
return [processed_value] if was_list else processed_value
[docs]def require_file(name, value, extra, required_files):
if (value, extra) not in required_files:
required_files.append((value, extra)) # these files will be uploaded
name_change = [att for att in extra.get('edit_attributes', []) if att.get('type') == 'name']
if name_change:
name_change = name_change[-1].get('value') # only the last name change really matters
value = name_change # change value for select to renamed uploaded file for e.g. composite dataset
else:
for end in ['.zip', '.gz']:
if value.endswith(end):
value = value[:-len(end)]
break
value = os.path.basename(value) # if uploading a file in a path other than root of test-data
return value
[docs]class ParamContext(object):
[docs] def __init__(self, name, index=None, parent_context=None):
self.parent_context = parent_context
self.name = name
self.index = None if index is None else int(index)
[docs] def for_state(self):
name = self.name if self.index is None else "%s_%d" % (self.name, self.index)
parent_for_state = self.parent_context.for_state()
if parent_for_state:
return "%s|%s" % (parent_for_state, name)
else:
return name
def __str__(self):
return "Context[for_state=%s]" % self.for_state()
[docs] def param_names(self):
for parent_context_param in self.parent_context.param_names():
if self.index is not None:
yield "%s|%s_%d" % (parent_context_param, self.name, self.index)
else:
yield "%s|%s" % (parent_context_param, self.name)
if self.index is not None:
yield "%s_%d" % (self.name, self.index)
else:
yield self.name
[docs] def extract_value(self, raw_inputs):
for param_name in self.param_names():
value = self.__raw_param_found(param_name, raw_inputs)
if value:
return value
return None
def __raw_param_found(self, param_name, raw_inputs):
index = None
for i, raw_input_dict in enumerate(raw_inputs):
if raw_input_dict["name"] == param_name:
index = i
if index is not None:
raw_input_dict = raw_inputs[index]
del raw_inputs[index]
return raw_input_dict
else:
return None