def test_set_value_that_references_an_env_var(self):
# ARRANGE #
existing_env_var = NameAndValue('MY_VAR', 'MY_VAL')
defined_env_var = NameAndValue('name', existing_env_var.value)
environ__before = {
existing_env_var.name: existing_env_var.value,
}
environ__after = {
defined_env_var.name: defined_env_var.value,
existing_env_var.name: existing_env_var.value,
}
# ACT & ASSERT #
CHECKER.check__abs_stx__std_layouts_and_source_variants(
self,
SetVariableArgumentsAbsStx.of_str(defined_env_var.name,
env_var_ref_syntax(
existing_env_var.name),
phase_spec=None),
arrangement=Arrangement.setup_phase_aware(
process_execution_settings=ProcessExecutionSettings.
with_environ(environ__before), ),
expectation=MultiSourceExpectation.setup_phase_aware(
main_side_effect_on_environment_variables=asrt.equals(
environ__after), ))
def test_a_references_to_a_non_existing_env_var_SHOULD_be_replaced_with_empty_string(
self):
# ARRANGE #
existing_var = NameAndValue('existing', 'EXISTING')
non_existing_var__name = 'non_existing'
new_var_to_set__name = 'new_var_to_set'
source = SetVariableArgumentsAbsStx.of_str(
new_var_to_set__name,
env_var_ref_syntax(non_existing_var__name),
phase_spec=None,
)
# ACT & ASSERT #
CHECKER.check__abs_stx__std_layouts_and_source_variants(
self, source,
Arrangement.setup_phase_aware(
process_execution_settings=proc_exe_env_for_test(
environ={existing_var.name: existing_var.value})),
MultiSourceExpectation.setup_phase_aware(
main_result=asrt.is_none,
main_side_effect_on_environment_variables=asrt.equals({
existing_var.name:
existing_var.value,
new_var_to_set__name:
'',
})))
def test_value_SHOULD_be_able_to_have_symbol_references(self):
# ARRANGE #
variable_name = 'variable_to_assign'
my_symbol = StringConstantSymbolContext('my_symbol', 'my symbol value')
your_symbol = StringConstantSymbolContext('your_symbol',
'your symbol value')
value_template = 'pre {MY_SYMBOL} {YOUR_SYMBOL} post'
expected_evaluated_value_string = value_template.format(
MY_SYMBOL=my_symbol.str_value,
YOUR_SYMBOL=your_symbol.str_value,
)
expected_environ_after_main = {
variable_name: expected_evaluated_value_string,
}
value_source_string = value_template.format(
MY_SYMBOL=symbol_reference_syntax_for_name(my_symbol.name),
YOUR_SYMBOL=symbol_reference_syntax_for_name(your_symbol.name),
)
source_syntax = SetVariableArgumentsAbsStx.of_str(
variable_name,
value_source_string,
phase_spec=None,
quoting=QuoteType.SOFT)
# ACT & ASSERT #
CHECKER.check__abs_stx__std_layouts_and_source_variants(
self,
source_syntax,
Arrangement.setup_phase_aware(
symbols=SymbolContext.symbol_table_of_contexts(
[my_symbol, your_symbol]),
process_execution_settings=ProcessExecutionSettings.
with_environ({}),
),
MultiSourceExpectation.setup_phase_aware(
main_side_effect_on_environment_variables=asrt.equals(
expected_environ_after_main),
symbol_usages=asrt.matches_sequence([
my_symbol.usage_assertion__w_str_rendering,
your_symbol.usage_assertion__w_str_rendering,
]),
),
)
def test_set_value_that_contains_text_and_references_to_env_vars(self):
# ARRANGE #
my_var = NameAndValue('MY_VAR', 'MY_VAL')
your_var = NameAndValue('YOUR_VAR', 'YOUR_VAL')
var_to_set_name = 'name'
value_template = 'pre {my_var} {your_var} post'
source = SetVariableArgumentsAbsStx.of_str(
var_to_set_name,
value_template.format(
my_var=env_var_ref_syntax(my_var.name),
your_var=env_var_ref_syntax(your_var.name),
),
phase_spec=None,
quoting=QuoteType.SOFT,
)
expected_value = value_template.format(
my_var=my_var.value,
your_var=your_var.value,
)
environ__before = {
my_var.name: my_var.value,
your_var.name: your_var.value,
}
expected_environ__after = {
var_to_set_name: expected_value,
my_var.name: my_var.value,
your_var.name: your_var.value,
}
# ACT & ASSERT #
CHECKER.check__abs_stx__std_layouts_and_source_variants(
self,
source,
arrangement=Arrangement.setup_phase_aware(
process_execution_settings=ProcessExecutionSettings.
with_environ(environ__before), ),
expectation=MultiSourceExpectation.setup_phase_aware(
main_side_effect_on_environment_variables=asrt.equals(
expected_environ__after), ))
def test_multi_line_value(self):
# ARRANGE #
var = NameAndValue('name', 'a\nmulti\nline\nvalue\n')
environ__before = {}
environ__after = {var.name: var.value}
# ACT & ASSERT #
CHECKER.check__abs_stx__std_layouts_and_source_variants(
self,
SetVariableArgumentsAbsStx.of_str(var.name,
var.value,
phase_spec=None,
quoting=QuoteType.HARD),
Arrangement.setup_phase_aware(
process_execution_settings=proc_exe_env_for_test(
environ=environ__before)),
MultiSourceExpectation.setup_phase_aware(
main_result=asrt.is_none,
main_side_effect_on_environment_variables=asrt.equals(
environ__after)))
def test_value_with_hard_quoted_value_SHOULD_skip_symbol_substitution(
self):
# ARRANGE #
variable_name = 'variable_to_assign'
my_symbol = NameAndValue('my_symbol', 'my symbol value')
your_symbol = NameAndValue('your_symbol', 'your symbol value')
value_template = 'pre {MY_SYMBOL} {YOUR_SYMBOL} post'
value_source_string = value_template.format(
MY_SYMBOL=symbol_reference_syntax_for_name(my_symbol.name),
YOUR_SYMBOL=symbol_reference_syntax_for_name(your_symbol.name),
)
expected_environ_after_main = {
variable_name: value_source_string,
}
source_syntax = SetVariableArgumentsAbsStx.of_str(
variable_name,
value_source_string,
phase_spec=None,
quoting=QuoteType.HARD)
# ACT & ASSERT #
CHECKER.check__abs_stx__std_layouts_and_source_variants(
self,
source_syntax,
Arrangement.setup_phase_aware(
process_execution_settings=ProcessExecutionSettings.
with_environ({}), ),
MultiSourceExpectation.setup_phase_aware(
main_side_effect_on_environment_variables=asrt.equals(
expected_environ_after_main),
symbol_usages=asrt.matches_sequence([]),
),
)
def test_WHEN_env_contains_the_var_being_set_THEN_its_value_SHOULD_be_replaced(
self):
# ACT & ASSERT #
var_name = 'ENV_VAR'
value_before = 'before'
value_after = 'after'
environ__before = {var_name: value_before}
environ__after = {var_name: value_after}
CHECKER.check__abs_stx__std_layouts_and_source_variants(
self,
SetVariableArgumentsAbsStx.of_str(var_name,
value_after,
phase_spec=None),
Arrangement.setup_phase_aware(
process_execution_settings=proc_exe_env_for_test(
environ=environ__before)),
MultiSourceExpectation.setup_phase_aware(
main_result=asrt.is_none,
main_side_effect_on_environment_variables=asrt.equals(
environ__after)))