JezK
Edit File: has_entry_test.rb
require File.expand_path('../../../test_helper', __FILE__) require 'mocha/parameter_matchers/has_entry' require 'mocha/parameter_matchers/object' require 'mocha/parameter_matchers/equals' require 'mocha/inspect' class HasEntryTest < Mocha::TestCase include Mocha::ParameterMatchers def test_should_match_hash_including_specified_key_value_pair matcher = has_entry(:key_1, 'value_1') assert matcher.matches?([{ :key_1 => 'value_1', :key_2 => 'value_2' }]) end def test_should_not_match_hash_not_including_specified_key_value_pair matcher = has_entry(:key_1, 'value_2') assert !matcher.matches?([{ :key_1 => 'value_1', :key_2 => 'value_2' }]) end def test_should_match_hash_including_specified_entry matcher = has_entry(:key_1 => 'value_1') assert matcher.matches?([{ :key_1 => 'value_1', :key_2 => 'value_2' }]) end def test_should_not_match_hash_not_including_specified_entry matcher = has_entry(:key_1 => 'value_2') assert !matcher.matches?([{ :key_1 => 'value_1', :key_2 => 'value_2' }]) end def test_should_describe_matcher_with_key_value_pair matcher = has_entry(:key_1, 'value_1') assert_equal "has_entry(:key_1 => 'value_1')", matcher.mocha_inspect end def test_should_describe_matcher_with_entry matcher = has_entry(:key_1 => 'value_1') assert_equal "has_entry(:key_1 => 'value_1')", matcher.mocha_inspect end def test_should_match_hash_including_specified_entry_with_nested_key_matcher matcher = has_entry(equals(:key_1) => 'value_1') assert matcher.matches?([{ :key_1 => 'value_1', :key_2 => 'value_2' }]) end def test_should_match_hash_including_specified_entry_with_nested_value_matcher matcher = has_entry(:key_1 => equals('value_1')) assert matcher.matches?([{ :key_1 => 'value_1', :key_2 => 'value_2' }]) end def test_should_not_match_hash_not_including_specified_entry_with_nested_key_matcher matcher = has_entry(equals(:key_1) => 'value_2') assert !matcher.matches?([{ :key_1 => 'value_1', :key_2 => 'value_2' }]) end def test_should_not_match_hash_not_including_specified_entry_with_nested_value_matcher matcher = has_entry(:key_1 => equals('value_2')) assert !matcher.matches?([{ :key_1 => 'value_1', :key_2 => 'value_2' }]) end def test_should_not_match_object_that_doesnt_respond_to_keys matcher = has_entry(:key_1 => equals('value_2')) object = Class.new do def [](key) 'value_2' end end.new assert !matcher.matches?([object]) end def test_should_not_match_object_that_doesnt_respond_to_square_bracket matcher = has_entry(:key_1 => equals('value_2')) object = Class.new do def keys [:key_1] end end.new assert !matcher.matches?([object]) end def test_should_raise_argument_error_if_single_argument_is_not_a_hash e = assert_raises(ArgumentError) do has_entry(Array.new) end assert_equal "Argument is not a Hash.", e.message end def test_should_raise_argument_error_if_no_entries_are_supplied e = assert_raises(ArgumentError) do has_entry({}) end assert_equal "Argument has no entries.", e.message end def test_should_raise_argument_error_if_multiple_entries_are_supplied e = assert_raises(ArgumentError) do has_entry(:key_1 => 'value_1', :key_2 => 'value_2') end assert_equal "Argument has multiple entries. Use Mocha::ParameterMatchers#has_entries instead.", e.message end def test_should_raise_argument_error_if_more_than_two_arguments_are_supplied e = assert_raises(ArgumentError) do has_entry(1, 2, 3) end assert_equal "Too many arguments; use either a single argument (must be a Hash) or two arguments (a key and a value).", e.message end def test_should_match_array_as_key matcher = has_entry([:key_1, :key_2] => 'value_1') assert matcher.matches?([{[:key_1, :key_2] => 'value_1', :key_3 => 'value_2'}]) end def test_should_match_array_as_value matcher = has_entry(:key_1 => ['value_1', 'value_2']) assert matcher.matches?([{:key_1 => ['value_1', 'value_2']}]) end def test_should_match_hash_as_value_and_key matcher = has_entry({{:key_1 => 'value_1', :key_2 => 'value_2'} => {:key_3 => 'value_3', :key_4 => 'value_4'}}) assert matcher.matches?([{{:key_1 => 'value_1', :key_2 => 'value_2'} => {:key_3 => 'value_3', :key_4 => 'value_4'}, :key_5 => 'value_5'}]) end def test_should_match_matcher_as_value_and_key matcher = has_entry({has_entry(:key_1 => 'value_1') => has_entry(:key_3 => 'value_3')}) assert matcher.matches?([{{:key_1 => 'value_1', :key_2 => 'value_2'} => {:key_3 => 'value_3', :key_4 => 'value_4'}, :key_5 => 'value_5'}]) end end