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March 20, 2019 15:14
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| require 'bundler/inline' | |
| gemfile(true) do | |
| source 'https://rubygems.org' | |
| gem 'graphql', '1.9.3' | |
| gem 'json_spec' | |
| gem 'rspec' | |
| end | |
| require 'rspec/autorun' | |
| # Schema | |
| class TestInputObject < GraphQL::Schema::InputObject | |
| argument :number, Integer, required: true, prepare: ->(value, context) do | |
| if value < 1 | |
| raise GraphQL::ExecutionError.new("Argument 'number' must be greater than or equal to 1: #{value}") | |
| else | |
| value | |
| end | |
| end | |
| end | |
| class TestQueryType < GraphQL::Schema::Object | |
| field :echo_positive_number, Integer, null: true do | |
| argument :number, Integer, required: true, prepare: ->(value, context) do | |
| if value < 1 | |
| raise GraphQL::ExecutionError.new("Argument 'number' must be greater than or equal to 1: #{value}") | |
| else | |
| value | |
| end | |
| end | |
| end | |
| def echo_positive_number(number:) | |
| number | |
| end | |
| field :echo_test_input, Integer, null: true do | |
| argument :input, TestInputObject, required: true | |
| end | |
| def echo_test_input(input:) | |
| input.number | |
| end | |
| end | |
| class TestSchema < GraphQL::Schema | |
| if ENV['USE_NEW_RUNTIME'] == 'true' | |
| use GraphQL::Execution::Interpreter | |
| use GraphQL::Analysis::AST | |
| end | |
| query TestQueryType | |
| end | |
| describe 'prepare exception handling' do | |
| it "works for literal field arguments" do | |
| query = <<~GRAPHQL | |
| query { | |
| valid: echoPositiveNumber(number: 1) | |
| invalid: echoPositiveNumber(number: 0) | |
| } | |
| GRAPHQL | |
| expected = { | |
| data: { | |
| valid: 1, | |
| invalid: nil | |
| }, | |
| errors: [ | |
| { | |
| message: "Argument 'number' must be greater than or equal to 1: 0", | |
| locations: [ | |
| { | |
| line: 3, | |
| column: 3 | |
| } | |
| ], | |
| path: [ | |
| 'invalid' | |
| ] | |
| } | |
| ] | |
| } | |
| result = TestSchema.execute(query) | |
| expect(result.to_json).to be_json_eql(expected.to_json) | |
| end | |
| it "works for literal input object arguments" do | |
| query = <<~GRAPHQL | |
| query { | |
| valid: echoTestInput(input: { number: 1 }) | |
| invalid: echoTestInput(input: { number: 0 }) | |
| } | |
| GRAPHQL | |
| expected = { | |
| data: { | |
| valid: 1, | |
| invalid: nil | |
| }, | |
| errors: [ | |
| { | |
| message: "Argument 'number' must be greater than or equal to 1: 0", | |
| locations: [ | |
| { | |
| line: 3, | |
| column: 3 | |
| } | |
| ], | |
| path: [ | |
| 'invalid' | |
| ] | |
| } | |
| ] | |
| } | |
| result = TestSchema.execute(query) | |
| expect(result.to_json).to be_json_eql(expected.to_json) | |
| end | |
| it "works for variable input object arguments" do | |
| query = <<~GRAPHQL | |
| query($validTestInput: TestInputObject!, $invalidTestInput: TestInputObject!) { | |
| valid: echoTestInput(input: $validTestInput) | |
| invalid: echoTestInput(input: $invalidTestInput) | |
| } | |
| GRAPHQL | |
| expected = { | |
| errors: [ | |
| { | |
| message: "Argument 'number' must be greater than or equal to 1: 0" | |
| } | |
| ] | |
| } | |
| # This provides more information on the source of the error and would make the error consistent with custom scalar coercion errors | |
| better_expected = { | |
| errors: [ | |
| { | |
| message: "Variable invalidTestInput of type TestInputObject! was provided invalid value", | |
| locations: [ | |
| { | |
| line: 1, | |
| column: 42 | |
| } | |
| ], | |
| extensions: { | |
| value: { | |
| number: 0 | |
| }, | |
| problems: [ | |
| { | |
| path: [], | |
| explanation: "Argument 'number' must be greater than or equal to 1: 0" | |
| } | |
| ] | |
| } | |
| } | |
| ] | |
| } | |
| result = TestSchema.execute(query, variables: { validTestInput: { number: 1 }, invalidTestInput: { number: 0 }}) | |
| expect(result.to_json).to be_json_eql(expected.to_json) | |
| end | |
| end |
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