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# frozen_string_literal: true
require "spec_helper"
describe "GraphQL::Query::Variables" do
module VariablesTest
class MaxValidationSchema < GraphQL::Schema
class Query < GraphQL::Schema::Object
field :items, [String], null: false do
argument :a, Int
argument :b, Int
argument :c, Int
end
def items(a:, b:, c:)
[a, b, c].map(&:to_s)
end
end
query(Query)
end
end
let(:variables) { {a: "1", b: "1", c: "1"} }
let(:query_string) { "query($a: Int!, $b: Int!, $c: Int!) { items(a: $a, b: $b, c: $c)}" }
describe "when there are no variable errors" do
let(:schema) { VariablesTest::MaxValidationSchema }
let(:variables) { {a: 1, b: 1, c: 1} }
it "does not return any error" do
res = schema.execute(query_string, variables: variables)
assert_nil res["errors"]
end
end
describe "when validate_max_errors is nil" do
let(:schema) { VariablesTest::MaxValidationSchema }
it "returns all errors" do
res = schema.execute(query_string, variables: variables)
assert_equal 3, res["errors"].count
end
end
describe "when max validation error is set" do
class TestSchema < VariablesTest::MaxValidationSchema
validate_max_errors(2)
end
let(:schema) { TestSchema }
describe "when errors are more than validate_max_value value" do
it "raises only as many errors as the validate_max_errors value and appends the too many errors message" do
res = schema.execute(query_string, variables: variables)
assert_equal 3, res["errors"].count
assert_match(/Too many errors processing variables/, res["errors"].last["message"])
end
end
describe "when errors are equal with validate_max_value" do
let(:variables) { {a: 1, b: "1", c: "1"} }
it "raises all errors" do
res = schema.execute(query_string, variables: variables)
assert_equal 2, res["errors"].count
end
end
describe "when variables are empty" do
let(:variables) { {} }
it "raises all errors" do
res = schema.execute(query_string, variables: variables)
assert_equal 3, res["errors"].count
assert_match(/Too many errors processing variables/, res["errors"].last["message"])
end
end
end
describe "when an invalid enum value is given" do
class EnumVariableSchema < GraphQL::Schema
class Filter < GraphQL::Schema::Enum
value(:contains) { def visible?(ctx); !ctx[:hide_enum_value]; end }
value(:equals) { def visible?(ctx); !ctx[:hide_enum_value]; end }
def self.visible?(ctx)
!ctx[:hide_enum]
end
end
class FilterInput < GraphQL::Schema::InputObject
argument :filter, Filter, default_value: "contains" do
def visible?(_ctx); true; end
end
end
class Query < GraphQL::Schema::Object
field :filter, String do
argument :input, FilterInput
end
def filter(input:)
input.filter.to_s
end
end
query(Query)
end
it "handles the error nicely" do
query_str = "query EchoFilter($input: FilterInput!) { filter(input: $input) }"
variables = { "input" => { "filter" => "contains" } }
query = GraphQL::Query.new(
EnumVariableSchema,
query_str,
variables: variables,
context: { hide_enum_value: true }
)
assert_raises GraphQL::Schema::Enum::MissingValuesError do
query.result
end
query2 = GraphQL::Query.new(
EnumVariableSchema,
query_str,
variables: variables,
context: { hide_enum_value: true, hide_enum: true }
)
expected_messages = [
"Variable $input of type FilterInput! was provided invalid value for filter (Field is not defined on FilterInput)"
]
assert query2.variables
assert_equal expected_messages, query2.result["errors"].map { |err| err["message"] }
end
end
end
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