80 lines
2.1 KiB
Elixir
80 lines
2.1 KiB
Elixir
defmodule OpentelemetryFinchTest do
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use ExUnit.Case, async: false
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doctest OpentelemetryFinch
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require OpenTelemetry.Tracer
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require OpenTelemetry.Span
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require Record
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for {name, spec} <- Record.extract_all(from_lib: "opentelemetry/include/otel_span.hrl") do
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Record.defrecord(name, spec)
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end
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for {name, spec} <- Record.extract_all(from_lib: "opentelemetry_api/include/opentelemetry.hrl") do
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Record.defrecord(name, spec)
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end
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setup do
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:otel_simple_processor.set_exporter(:otel_exporter_pid, self())
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OpenTelemetry.Tracer.start_span("test")
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on_exit(fn ->
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OpenTelemetry.Tracer.end_span()
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end)
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{:ok, bypass: Bypass.open()}
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end
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test "records span on requests", %{bypass: bypass} do
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Bypass.expect(bypass, fn conn -> Plug.Conn.resp(conn, 200, "") end)
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OpentelemetryFinch.setup()
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_conn = start_supervised!({Finch, name: HttpFinch})
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{:ok, _} = Finch.build(:get, endpoint_url(bypass.port)) |> Finch.request(HttpFinch)
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assert_receive {:span,
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span(
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name: "HTTP GET",
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kind: :client,
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attributes: attributes
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)}
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assert %{
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"net.peer.name": "localhost",
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"http.method": "GET",
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"http.target": "/",
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"http.scheme": :http,
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"http.status_code": 200
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} = :otel_attributes.map(attributes)
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end
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test "records span on requests failed", %{bypass: _} do
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OpentelemetryFinch.setup()
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_conn = start_supervised!({Finch, name: HttpFinch})
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{:error, _} = Finch.build(:get, endpoint_url(3333)) |> Finch.request(HttpFinch)
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assert_receive {:span,
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span(
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name: "HTTP GET",
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kind: :client,
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status: {:status, :error, "connection refused"},
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attributes: attributes
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)}
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assert %{
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"net.peer.name": "localhost",
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"http.method": "GET",
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"http.target": "/",
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"http.scheme": :http,
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"http.status_code": 0
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} = :otel_attributes.map(attributes)
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end
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defp endpoint_url(port), do: "http://localhost:#{port}/"
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end
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