inspec/test/unit/inputs/events_test.rb

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require 'helper'
require 'inspec/objects/input'
describe 'Inspec::Input and Events' do
let(:ipt) { Inspec::Input.new('input') }
#==============================================================#
# Create Event
#==============================================================#
describe 'when creating an input' do
it 'should have a creation event' do
creation_events = ipt.events.select { |e| e.action == :create }
creation_events.wont_be_empty
end
it 'should only have a creation event if no value was provided' do
creation_events = ipt.events.select { |e| e.action == :create }
creation_events.count.must_equal 1
end
it 'should have a create and a set event if a value was provided' do
ipt = Inspec::Input.new('input', value: 42)
creation_events = ipt.events.select { |e| e.action == :create }
creation_events.count.must_equal 1
set_events = ipt.set_events
set_events.count.must_equal 1
set_events.first.value.must_equal 42
end
end
#==============================================================#
# Set Events
#==============================================================#
describe 'when setting an input using value=' do
it 'should add a set event' do
ipt.set_events.count.must_equal 0
ipt.value = 42
ipt.set_events.count.must_equal 1
end
it 'should add one event for each value= operation' do
ipt.set_events.count.must_equal 0
ipt.value = 1
ipt.value = 2
ipt.value = 3
ipt.set_events.count.must_equal 3
end
end
#==============================================================#
# Picking a Winner
#==============================================================#
# For more real-world testing of metadata vs --attrs vs inline, see
# test/functional/inputs_test.rb
describe 'priority voting' do
it 'value() should return the correct value when there is just one set operation' do
evt = Inspec::Input::Event.new(value: 42, priority: 25, action: :set)
ipt.update(event: evt)
ipt.value.must_equal 42
end
it 'should return the highest priority regardless of order' do
evt1 = Inspec::Input::Event.new(value: 1, priority: 25, action: :set)
ipt.update(event: evt1)
evt2 = Inspec::Input::Event.new(value: 2, priority: 35, action: :set)
ipt.update(event: evt2)
evt3 = Inspec::Input::Event.new(value: 3, priority: 15, action: :set)
ipt.update(event: evt3)
ipt.value.must_equal 2
end
it 'breaks ties using the last event of the highest priority' do
evt1 = Inspec::Input::Event.new(value: 1, priority: 15, action: :set)
ipt.update(event: evt1)
evt2 = Inspec::Input::Event.new(value: 2, priority: 25, action: :set)
ipt.update(event: evt2)
evt3 = Inspec::Input::Event.new(value: 3, priority: 25, action: :set)
ipt.update(event: evt3)
ipt.value.must_equal 3
end
end
#==============================================================#
# Stack Hueristics
#==============================================================#
describe 'when determining where the call came from' do
it 'should get the line and file correct in the constructor' do
expected_file = __FILE__
expected_line = __LINE__; ipt = Inspec::Input.new('some_input') # Important to keep theses on one line
event = ipt.events.first
event.file.must_equal expected_file
event.line.must_equal expected_line
end
end
#==============================================================#
# Diagnostics
#==============================================================#
describe 'input diagnostics' do
it 'should dump the events' do
evt1 = Inspec::Input::Event.new(value: {a:1, b:2}, priority: 15, action: :set, provider: :unit_test)
ipt.update(event: evt1)
evt2 = Inspec::Input::Event.new(action: :fetch, provider: :alcubierre, hit: false)
ipt.update(event: evt2)
evt3 = Inspec::Input::Event.new(value: 12, action: :set, provider: :control_dsl, file: '/tmp/some/file.rb', line: 2)
ipt.update(event: evt3)
text = ipt.diagnostic_string
lines = text.split("\n")
lines.count.must_equal 5 # 3 events above + 1 create + 1 input name line
lines.shift # Not testing the inputs top line here
lines.each do |line|
line.must_match /^\s\s([a-z]+:\s\'.+\',\s)*?([a-z]+:\s\'.+\')$/ # key: 'value', key: 'value' ...
end
lines[0].must_include "action: 'create',"
lines[1].must_include "action: 'set',"
lines[1].must_include "value: '{" # It should to_s the value
lines[1].must_include "provider: 'unit_test'"
lines[1].must_include "priority: '15'"
end
end
end