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Split double macro into def_double and new_double

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Michael Miller 2022-03-19 11:41:53 -06:00
parent f1daecd25f
commit 5a4e95e8a2
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GPG key ID: AC78B32D30CE34A2
1 changed files with 29 additions and 20 deletions
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49
src/spectator/dsl/mocks.cr
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@ -8,13 +8,25 @@ module Spectator::DSL
# and double type name relative to its context.
DOUBLES = [] of {Symbol, Symbol, Symbol}
macro double(name, **value_methods, &block)
{% name_symbol = name.id.symbolize
context_type_name = @type.name(generic_args: false).symbolize %}
private macro def_double(name, **value_methods, &block)
{% # Construct a unique type name for the double by using the number of defined doubles.
index = ::Spectator::DSL::Mocks::DOUBLES.size
double_type_name = "Double#{index}".id.symbolize
{% if @def %}
{% # Find tuples with the same name.
found_tuples = ::Spectator::DSL::Mocks::DOUBLES.select { |tuple| tuple[0] == name_symbol }
# Store information about how the double is defined and its context.
# This is important for constructing an instance of the double later.
::Spectator::DSL::Mocks::DOUBLES << {name.id.symbolize, @type.name(generic_args: false).symbolize, double_type_name} %}
{% begin %}
::Spectator::Double.define({{double_type_name}}, {{name}}, {{**value_methods}}){% if block %} do
{{block.body}}
end{% end %}
{% end %}
end
private macro new_double(name)
{% # Find tuples with the same name.
found_tuples = ::Spectator::DSL::Mocks::DOUBLES.select { |tuple| tuple[0] == name.id.symbolize }
# Split the current context's type namespace into parts.
type_parts = @type.name(generic_args: false).split("::")
@ -42,21 +54,18 @@ module Spectator::DSL
# Store the type name used to define the underlying double.
double_type_name = found_tuple[2].id %}
{{double_type_name}}.new
{{double_type_name}}.new
end
macro double(name, **value_methods, &block)
{% if @def %}
new_double({{name}}){% if block %} do
{{block.body}}
end{% end %}
{% else %}
{% # Construct a unique type name for the double by using the number of defined doubles.
index = ::Spectator::DSL::Mocks::DOUBLES.size
double_type_name = "Double#{index}".id.symbolize
# Store information about how the double is defined and its context.
# This is important for constructing an instance of the double later.
::Spectator::DSL::Mocks::DOUBLES << {name_symbol, context_type_name, double_type_name} %}
{% begin %}
::Spectator::Double.define({{double_type_name}}, {{name}}, {{value_methods.double_splat}}){% if block %} do
{{block.body}}
end{% end %}
{% end %}
def_double({{name}}, {{**value_methods}}){% if block %} do
{{block.body}}
end{% end %}
{% end %}
end
end