I have a class which has the following initialise method.
def initialize(my_var)
@my_var = my_var
end
and I want to test the method which then does something to @my_var
def split
@my_var.split(",")
end
how do I change @my_var
before testing that it returns an array properly?
Is this possible without having an accessor for @my_var
?
This doesn't sound like a correct practice. Rspec should be testing the interface behavior of your classes and models - not the internal implementation (of which instance variables undoubtedly are). There are ways to do this, but are you sure you don't want to have an accessor for that variable?
Anyhow, you can use my_object.instance_variable_get("@my_var")
and my_object.instance_variable_set("@my_var", value)
to manipulate the variable.
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