Attempt to test Sentry calls

Author: joshsmith

test/lib/code_corps/github/webhook/handler_test.exs

@@ -4,6 +4,7 @@ defmodule CodeCorps.GitHub.Webhook.HandlerTest do
   use CodeCorps.DbAccessCase
 
   import CodeCorps.GitHub.TestHelpers
+  import CodeCorps.TestEnvironmentHelper
 
   alias CodeCorps.{
     GithubEvent,
@@ -260,6 +261,18 @@ defmodule CodeCorps.GitHub.Webhook.HandlerTest do
       changeset = Task.update_changeset(task, %{title: "New title", updated_from: "codecorps"})
        Repo.update!(changeset)
 
+      bypass = Bypass.open
+      Bypass.expect bypass, fn conn ->
+        {:ok, body, conn} = Plug.Conn.read_body(conn)
+        assert body =~ "RuntimeError"
+        assert body =~ "ExampleApp"
+        assert conn.request_path == "/api/1/store/"
+        assert conn.method == "POST"
+        Plug.Conn.resp(conn, 200, ~s<{"id": "340"}>)
+      end
+
+      modify_env(:sentry, dsn: "http://public:secret@localhost:#{bypass.port}/1")
+
       {:ok, %GithubEvent{} = event} = Handler.handle_supported("issues", "abc-456", edited_payload)
 
       assert event.action == "edited"

test/support/test_environment_helper.ex

@@ -0,0 +1,16 @@
+defmodule CodeCorps.TestEnvironmentHelper do
+  def modify_env(app, overrides) do
+    original_env = Application.get_all_env(app)
+    Enum.each(overrides, fn {key, value} -> Application.put_env(app, key, value) end)
+
+    ExUnit.Callbacks.on_exit(fn ->
+      Enum.each overrides, fn {key, _} ->
+        if Keyword.has_key?(original_env, key) do
+          Application.put_env(app, key, Keyword.fetch!(original_env, key))
+        else
+          Application.delete_env(app, key)
+        end
+      end
+    end)
+  end
+end