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# frozen_string_literal: true
require "spec_helper"
describe GraphQL::Tracing::DataDogTrace do
module DataDogTraceTest
class Box
def initialize(value)
@value = value
end
attr_reader :value
end
class Thing < GraphQL::Schema::Object
field :str, String
def str; Box.new("blah"); end
end
class Query < GraphQL::Schema::Object
include GraphQL::Types::Relay::HasNodeField
field :int, Integer, null: false
def int
1
end
field :thing, Thing
def thing; :thing; end
end
class TestSchema < GraphQL::Schema
query(Query)
trace_with(GraphQL::Tracing::DataDogTrace)
lazy_resolve(Box, :value)
end
class CustomTracerTestSchema < GraphQL::Schema
module CustomDataDogTracing
include GraphQL::Tracing::DataDogTrace
def prepare_span(trace_key, data, span)
span.set_tag("custom:#{trace_key}", data.keys.sort.join(","))
end
end
query(Query)
trace_with(CustomDataDogTracing)
lazy_resolve(Box, :value)
end
end
before do
Datadog.clear_all
end
it "falls back to a :tracing_fallback_transaction_name when provided" do
DataDogTraceTest::TestSchema.execute("{ int }", context: { tracing_fallback_transaction_name: "Abcd" })
assert_equal ["Abcd"], Datadog::SPAN_RESOURCE_NAMES
end
it "does not use the :tracing_fallback_transaction_name if an operation name is present" do
DataDogTraceTest::TestSchema.execute(
"query Ab { int }",
context: { tracing_fallback_transaction_name: "Cd" }
)
assert_equal ["Ab"], Datadog::SPAN_RESOURCE_NAMES
end
it "does not set resource if no value can be derived" do
DataDogTraceTest::TestSchema.execute("{ int }")
assert_equal [], Datadog::SPAN_RESOURCE_NAMES
end
it "sets component and operation tags" do
DataDogTraceTest::TestSchema.execute("{ int }")
assert_includes Datadog::SPAN_TAGS, ['component', 'graphql']
assert_includes Datadog::SPAN_TAGS, ['operation', 'execute_multiplex']
end
it "sets custom tags tags" do
DataDogTraceTest::CustomTracerTestSchema.execute("{ thing { str } }")
expected_custom_tags = [
(USING_C_PARSER ? ["custom:lex", "query_string"] : nil),
["custom:parse", "query_string"],
["custom:execute_multiplex", "multiplex"],
["custom:analyze_multiplex", "multiplex"],
["custom:validate", "query,validate"],
["custom:analyze_query", "query"],
["custom:execute_query", "query"],
["custom:authorized", "object,query,type"],
["custom:execute_field", "arguments,ast_node,field,object,query"],
["custom:authorized", "object,query,type"],
["custom:execute_query_lazy", "multiplex,query"],
].compact
actual_custom_tags = Datadog::SPAN_TAGS.reject { |t| t[0] == "operation" || t[0] == "component" || t[0].is_a?(Symbol) }
assert_equal expected_custom_tags, actual_custom_tags
end
end
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