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# frozen_string_literal: true
require "spec_helper"
describe GraphQL::Query::Fingerprint do
def build_query(str, var)
GraphQL::Query.new(Dummy::Schema, str, variables: var)
end
it "makes stable variable fingerprints" do
var1a = { "a" => 1, "b" => 2 }
var1b = { "a" => 1, "b" => 2 }
# These keys are in a different order -- they'll be hashed differently.
var2 = { "b" => 2, "a" => 1 }
str = "{ __typename }"
expected_fingerprint = "2/QyWM_3g_5wNtikMDP4MK38YOwDc4JHNUisdCuIgpJ3c="
assert_equal expected_fingerprint, build_query(str, var1a).variables_fingerprint
assert_equal expected_fingerprint, build_query(str, var1b).variables_fingerprint
other_expected_fingerprint = "2/P7dUUyJccyp2t4meoglt2hRVGJyJgXI5cyGC9z_loJ8="
assert_equal other_expected_fingerprint, build_query(str, var2).variables_fingerprint
# `nil` is treated like {}
empty_fingerprint = "0/RBNvo1WzZ4oRRq0W9-hknpT7T8If536DEMBg9hyq_4o="
assert_equal empty_fingerprint, build_query(str, nil).variables_fingerprint
assert_equal empty_fingerprint, build_query(str, {}).variables_fingerprint
end
it "makes stable query fingerprints" do
str1a = "{ __typename }"
str1b = "{ __typename }"
# Different whitespace is a different query
str2 = "{\n __typename\n}\n"
str3 = "query GetTypename { __typename }"
expected_fingerprint = "anonymous/f1bmfdIas_MNH_i3vtCIk_Cg24ZEmDYYmzYd0eVt20s="
assert_equal expected_fingerprint, build_query(str1a, {}).operation_fingerprint
assert_equal expected_fingerprint, build_query(str1b, {}).operation_fingerprint
other_expected_fingerprint = "anonymous/jY9zZenob6jjMT_K8hMbgB6v6VSd4iNzCJzydRGFizk="
assert_equal other_expected_fingerprint, build_query(str2, {}).operation_fingerprint
op_name_expected_fingerprint = "GetTypename/eKSJYYymUg0JV-FrtUF5idy4Ydt1IE4lZoHzxtzWog0="
assert_equal op_name_expected_fingerprint, build_query(str3, {}).operation_fingerprint
end
it "makes combined fingerprints" do
str1a = "{ __typename }"
str1b = "{ __typename }"
str1_fingerprint = "f1bmfdIas_MNH_i3vtCIk_Cg24ZEmDYYmzYd0eVt20s="
str2 = "query getTypename {\n __typename\n}\n"
str2_fingerprint = "PZ4sJYI9Dkw_SxWdh_VdxKEuktK_nIoSvev_0QrEHL8="
var1a = { "a" => 1, "b" => 2 }
var1b = { "a" => 1, "b" => 2 }
var1_fingerprint = "QyWM_3g_5wNtikMDP4MK38YOwDc4JHNUisdCuIgpJ3c="
# These keys are in a different order -- they'll be hashed differently.
var2 = { "b" => 2, "a" => 1 }
var2_fingerprint = "P7dUUyJccyp2t4meoglt2hRVGJyJgXI5cyGC9z_loJ8="
nil_var_fingerprint = "RBNvo1WzZ4oRRq0W9-hknpT7T8If536DEMBg9hyq_4o="
assert_equal "anonymous/#{str1_fingerprint}/2/#{var1_fingerprint}", build_query(str1a, var1a).fingerprint
assert_equal "anonymous/#{str1_fingerprint}/2/#{var1_fingerprint}", build_query(str1b, var1b).fingerprint
assert_equal "getTypename/#{str2_fingerprint}/0/#{nil_var_fingerprint}", build_query(str2, nil).fingerprint
assert_equal "anonymous/#{str1_fingerprint}/2/#{var2_fingerprint}", build_query(str1a, var2).fingerprint
assert_equal "getTypename/#{str2_fingerprint}/2/#{var1_fingerprint}", build_query(str2, var1b).fingerprint
example_query = build_query(str2, var1b)
assert_equal example_query.fingerprint, "#{example_query.operation_fingerprint}/#{example_query.variables_fingerprint}"
end
end
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