1 files changed, 52 insertions, 0 deletions
diff --git a/spec/lib/gitlab/graphql/tracers/logger_tracer_spec.rb b/spec/lib/gitlab/graphql/tracers/logger_tracer_spec.rb
new file mode 100644
index 00000000000..d83ac4dabc5
--- /dev/null
+++ b/spec/lib/gitlab/graphql/tracers/logger_tracer_spec.rb
@@ -0,0 +1,52 @@
+# frozen_string_literal: true
+require "fast_spec_helper"
+require "support/graphql/fake_query_type"
+
+RSpec.describe Gitlab::Graphql::Tracers::LoggerTracer do
+  let(:dummy_schema) do
+    Class.new(GraphQL::Schema) do
+      # LoggerTracer depends on TimerTracer
+      use Gitlab::Graphql::Tracers::LoggerTracer
+      use Gitlab::Graphql::Tracers::TimerTracer
+
+      query_analyzer Gitlab::Graphql::QueryAnalyzers::LoggerAnalyzer.new
+
+      query Graphql::FakeQueryType
+    end
+  end
+
+  around do |example|
+    Gitlab::ApplicationContext.with_context(caller_id: 'caller_a', feature_category: 'feature_a') do
+      example.run
+    end
+  end
+
+  it "logs every query", :aggregate_failures do
+    variables = { name: "Ada Lovelace" }
+    query_string = 'query fooOperation($name: String) { helloWorld(message: $name) }'
+
+    # Build an actual query so we don't have to hardocde the "fingerprint" calculations
+    query = GraphQL::Query.new(dummy_schema, query_string, variables: variables)
+
+    expect(::Gitlab::GraphqlLogger).to receive(:info).with({
+      "correlation_id" => anything,
+      "meta.caller_id" => "caller_a",
+      "meta.feature_category" => "feature_a",
+      "query_analysis.duration_s" => kind_of(Numeric),
+      "query_analysis.complexity" => 1,
+      "query_analysis.depth" => 1,
+      "query_analysis.used_deprecated_fields" => [],
+      "query_analysis.used_fields" => ["FakeQuery.helloWorld"],
+      duration_s: be > 0,
+      is_mutation: false,
+      operation_fingerprint: query.operation_fingerprint,
+      operation_name: 'fooOperation',
+      query_fingerprint: query.fingerprint,
+      query_string: query_string,
+      trace_type: "execute_query",
+      variables: variables.to_s
+    })
+
+    dummy_schema.execute(query_string, variables: variables)
+  end
+end