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require_relative 'helper'
module Psych
class TestMergeKeys < TestCase
class Product
attr_reader :bar
end
def test_mergekey_with_object
s = <<-eoyml
foo: &foo
bar: 10
product:
!ruby/object:#{Product.name}
<<: *foo
eoyml
hash = Psych.load s
assert_equal({"bar" => 10}, hash["foo"])
product = hash["product"]
assert_equal 10, product.bar
end
def test_merge_nil
yaml = <<-eoyml
defaults: &defaults
development:
<<: *defaults
eoyml
assert_equal({'<<' => nil }, Psych.load(yaml)['development'])
end
def test_merge_array
yaml = <<-eoyml
foo: &hello
- 1
baz:
<<: *hello
eoyml
assert_equal({'<<' => [1]}, Psych.load(yaml)['baz'])
end
def test_merge_is_not_partial
yaml = <<-eoyml
default: &default
hello: world
foo: &hello
- 1
baz:
<<: [*hello, *default]
eoyml
doc = Psych.load yaml
refute doc['baz'].key? 'hello'
assert_equal({'<<' => [[1], {"hello"=>"world"}]}, Psych.load(yaml)['baz'])
end
def test_merge_seq_nil
yaml = <<-eoyml
foo: &hello
baz:
<<: [*hello]
eoyml
assert_equal({'<<' => [nil]}, Psych.load(yaml)['baz'])
end
def test_bad_seq_merge
yaml = <<-eoyml
defaults: &defaults [1, 2, 3]
development:
<<: *defaults
eoyml
assert_equal({'<<' => [1,2,3]}, Psych.load(yaml)['development'])
end
def test_missing_merge_key
yaml = <<-eoyml
bar:
<< : *foo
eoyml
exp = assert_raises(Psych::BadAlias) { Psych.load yaml }
assert_match 'foo', exp.message
end
# [ruby-core:34679]
def test_merge_key
yaml = <<-eoyml
foo: &foo
hello: world
bar:
<< : *foo
baz: boo
eoyml
hash = {
"foo" => { "hello" => "world"},
"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
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