86 lines
2.3 KiB
Ruby
86 lines
2.3 KiB
Ruby
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require 'helper'
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describe Pry::Hooks do
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before do
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@hooks = Pry::Hooks.new
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end
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describe "adding a new hook" do
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it 'should not execute hook while adding it' do
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@hooks.add_hook(:test_hook) { @test_var = true }
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@test_var.should == nil
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end
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it 'should return a count of 0 for an empty hook' do
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@hooks.hook_count(:test_hook).should == 0
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end
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it 'should create a new hook with a block' do
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@hooks.add_hook(:test_hook) { }
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@hooks.hook_count(:test_hook).should == 1
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end
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it 'should create a new hook with a callable' do
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@hooks.add_hook(:test_hook, proc { })
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@hooks.hook_count(:test_hook).should == 1
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end
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it 'should use just block if given both block and callable' do
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@hooks.add_hook(:test_hook, proc { }) { }
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@hooks.hook_count(:test_hook).should == 1
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end
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it 'should raise if not given a block or any other object' do
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lambda { @hooks.add_hook(:test_hook) }.should.raise ArgumentError
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end
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it 'should create a hook with multiple callables' do
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@hooks.add_hook(:test_hook) {}
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@hooks.add_hook(:test_hook) {}
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@hooks.hook_count(:test_hook).should == 2
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end
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end
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describe "executing a hook" do
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before do
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@test_var = nil
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end
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it 'should execute block hook' do
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@hooks.add_hook(:test_hook) { @test_var = true }
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@hooks.exec_hook(:test_hook)
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@test_var.should == true
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end
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it 'should execute proc hook' do
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@hooks.add_hook(:test_hook, proc { @test_var = true })
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@hooks.exec_hook(:test_hook)
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@test_var.should == true
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end
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it 'should execute a general callable hook' do
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callable = Object.new.tap do |obj|
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obj.instance_variable_set(:@test_var, nil)
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class << obj
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attr_accessor :test_var
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def call() @test_var = true; end
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end
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end
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@hooks.add_hook(:test_hook, callable)
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@hooks.exec_hook(:test_hook)
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callable.test_var.should == true
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end
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it 'should execute multiple callables for a hook if more than one is defined' do
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x = nil
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y = nil
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@hooks.add_hook(:test_hook) { x = true }
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@hooks.add_hook(:test_hook) { y = true }
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@hooks.exec_hook(:test_hook)
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x.should == true
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y.should == true
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end
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end
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end
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