diff options
Diffstat (limited to 'test')
-rw-r--r-- | test/psych/test_merge_keys.rb | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/test/psych/test_merge_keys.rb b/test/psych/test_merge_keys.rb index 9aadcc85e5..fef8892727 100644 --- a/test/psych/test_merge_keys.rb +++ b/test/psych/test_merge_keys.rb @@ -17,5 +17,56 @@ bar: "bar" => { "hello" => "world", "baz" => "boo" } } assert_equal hash, Psych.load(yaml) end + + def test_multiple_maps + yaml = <<-eoyaml +--- +- &CENTER { x: 1, y: 2 } +- &LEFT { x: 0, y: 2 } +- &BIG { r: 10 } +- &SMALL { r: 1 } + +# All the following maps are equal: + +- # Merge multiple maps + << : [ *CENTER, *BIG ] + label: center/big + eoyaml + + hash = { + 'x' => 1, + 'y' => 2, + 'r' => 10, + 'label' => 'center/big' + } + + assert_equal hash, Psych.load(yaml)[4] + end + + def test_override + yaml = <<-eoyaml +--- +- &CENTER { x: 1, y: 2 } +- &LEFT { x: 0, y: 2 } +- &BIG { r: 10 } +- &SMALL { r: 1 } + +# All the following maps are equal: + +- # Override + << : [ *BIG, *LEFT, *SMALL ] + x: 1 + label: center/big + eoyaml + + hash = { + 'x' => 1, + 'y' => 2, + 'r' => 10, + 'label' => 'center/big' + } + + assert_equal hash, Psych.load(yaml)[4] + end end end |