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# frozen_string_literal: true
require 'minitest/autorun'
require 'jsonpath'
require 'json'
class TestJsonpathReadme < Minitest::Test
def setup
@json = <<-HERE_DOC
{"store":
{"bicycle":
{"price":19.95, "color":"red"},
"book":[
{"price":8.95, "category":"reference", "title":"Sayings of the Century", "author":"Nigel Rees"},
{"price":12.99, "category":"fiction", "title":"Sword of Honour", "author":"Evelyn Waugh"},
{"price":8.99, "category":"fiction", "isbn":"0-553-21311-3", "title":"Moby Dick", "author":"Herman Melville","color":"blue"},
{"price":22.99, "category":"fiction", "isbn":"0-395-19395-8", "title":"The Lord of the Rings", "author":"Tolkien"}
]
}
}
HERE_DOC
end
attr_reader :json
def test_library_section
path = JsonPath.new('$..price')
assert_equal [19.95, 8.95, 12.99, 8.99, 22.99], path.on(json)
assert_equal [18.88], path.on('{"books":[{"title":"A Tale of Two Somethings","price":18.88}]}')
assert_equal ["Nigel Rees", "Evelyn Waugh", "Herman Melville", "Tolkien"], JsonPath.on(json, '$..author')
assert_equal [
{"price" => 8.95, "category" => "reference", "title" => "Sayings of the Century", "author" => "Nigel Rees"},
{"price" => 8.99, "category" => "fiction", "isbn" => "0-553-21311-3", "title" => "Moby Dick", "author" => "Herman Melville","color" => "blue"},
], JsonPath.new('$..book[::2]').on(json)
assert_equal [8.95, 8.99], JsonPath.new("$..price[?(@ < 10)]").on(json)
assert_equal ["Sayings of the Century", "Moby Dick"], JsonPath.new("$..book[?(@['price'] == 8.95 || @['price'] == 8.99)].title").on(json)
assert_equal [], JsonPath.new("$..book[?(@['price'] == 8.95 && @['price'] == 8.99)].title").on(json)
assert_equal "red", JsonPath.new('$..color').first(json)
end
def test_library_section_enumerable
enum = JsonPath.new('$..color')[json]
assert_equal "red", enum.first
assert enum.any?{ |c| c == 'red' }
end
def test_ruby_structures_section
book = { title: "Sayings of the Century" }
assert_equal [], JsonPath.new('$.title').on(book)
assert_equal ["Sayings of the Century"], JsonPath.new('$.title', use_symbols: true).on(book)
book_class = Struct.new(:title)
book = book_class.new("Sayings of the Century")
assert_equal ["Sayings of the Century"], JsonPath.new('$.title').on(book)
book_class = Class.new{ attr_accessor :title }
book = book_class.new
book.title = "Sayings of the Century"
assert_equal ["Sayings of the Century"], JsonPath.new('$.title', allow_send: true).on(book)
end
def test_options_section
assert_equal ["0-553-21311-3", "0-395-19395-8"], JsonPath.new('$..book[*].isbn').on(json)
assert_equal [nil, nil, "0-553-21311-3", "0-395-19395-8"], JsonPath.new('$..book[*].isbn', default_path_leaf_to_null: true).on(json)
assert_equal ["price", "category", "title", "author"], JsonPath.new('$..book[0]').on(json).map(&:keys).flatten.uniq
assert_equal [:price, :category, :title, :author], JsonPath.new('$..book[0]').on(json, symbolize_keys: true).map(&:keys).flatten.uniq
end
def selecting_value_section
json = <<-HERE_DOC
{
"store": {
"book": [
{
"category": "reference",
"author": "Nigel Rees",
"title": "Sayings of the Century",
"price": 8.95
},
{
"category": "fiction",
"author": "Evelyn Waugh",
"title": "Sword of Honour",
"price": 12.99
}
]
}
HERE_DOC
got = JsonPath.on(json, "$.store.book[*](category,author)")
expected = [
{
"category" => "reference",
"author" => "Nigel Rees"
},
{
"category" => "fiction",
"author" => "Evelyn Waugh"
}
]
assert_equal expected, got
end
def test_manipulation_section
assert_equal({"candy" => "big turks"}, JsonPath.for('{"candy":"lollipop"}').gsub('$..candy') {|v| "big turks" }.to_hash)
json = '{"candy":"lollipop","noncandy":null,"other":"things"}'
o = JsonPath.for(json).
gsub('$..candy') {|v| "big turks" }.
compact.
delete('$..other').
to_hash
assert_equal({"candy" => "big turks"}, o)
end
end
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