28 lines
796 B
Crystal
28 lines
796 B
Crystal
require "./context"
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require "./context_method"
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require "./null_context"
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module Spectator
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# Stores a test context and a method to call within it.
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struct ContextDelegate
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# Creates the delegate.
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# The *context* is the instance of the test context.
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# The *method* is proc that downcasts *context* and calls a method on it.
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def initialize(@context : Context, @method : ContextMethod)
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end
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# Creates a delegate with a null context.
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# The context will be ignored and the block will be executed in its original scope.
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def self.null(&block : -> _)
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context = NullContext.new
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method = ContextMethod.new { block.call }
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new(context, method)
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end
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# Invokes a method in the test context.
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def call
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@method.call(@context)
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end
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end
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end
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