From f9edc079e030a5d2b0f21b80d6382caf10751057 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Valim?= <jose.valim@gmail.com>
Date: Thu, 1 Dec 2011 21:15:42 +0100
Subject: Split and improve show and debug exceptions middlewares.

---
 actionpack/test/dispatch/debug_exceptions_test.rb | 116 ++++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 actionpack/test/dispatch/debug_exceptions_test.rb

(limited to 'actionpack/test/dispatch/debug_exceptions_test.rb')

diff --git a/actionpack/test/dispatch/debug_exceptions_test.rb b/actionpack/test/dispatch/debug_exceptions_test.rb
new file mode 100644
index 0000000000..e6c0a06878
--- /dev/null
+++ b/actionpack/test/dispatch/debug_exceptions_test.rb
@@ -0,0 +1,116 @@
+require 'abstract_unit'
+
+class DebugExceptionsTest < ActionDispatch::IntegrationTest
+
+  class Boomer
+    def initialize(detailed  = false)
+      @detailed = detailed
+    end
+
+    def call(env)
+      env['action_dispatch.show_detailed_exceptions'] = @detailed
+      req = ActionDispatch::Request.new(env)
+      case req.path
+      when "/not_found"
+        raise ActionController::UnknownAction
+      when "/runtime_error"
+        raise RuntimeError
+      when "/method_not_allowed"
+        raise ActionController::MethodNotAllowed
+      when "/not_implemented"
+        raise ActionController::NotImplemented
+      when "/unprocessable_entity"
+        raise ActionController::InvalidAuthenticityToken
+      when "/not_found_original_exception"
+        raise ActionView::Template::Error.new('template', {}, AbstractController::ActionNotFound.new)
+      else
+        raise "puke!"
+      end
+    end
+  end
+
+  ProductionApp  = ActionDispatch::DebugExceptions.new((Boomer.new(false)))
+  DevelopmentApp = ActionDispatch::DebugExceptions.new((Boomer.new(true)))
+
+  test 'skip diagnosis if not showing detailed exceptions' do
+    @app = ProductionApp
+    assert_raise RuntimeError do
+      get "/", {}, {'action_dispatch.show_exceptions' => true}
+    end
+  end
+
+  test 'skip diagnosis if not showing exceptions' do
+    @app = DevelopmentApp
+    assert_raise RuntimeError do
+      get "/", {}, {'action_dispatch.show_exceptions' => false}
+    end
+  end
+
+  test "rescue with diagnostics message" do
+    @app = DevelopmentApp
+
+    get "/", {}, {'action_dispatch.show_exceptions' => true}
+    assert_response 500
+    assert_match(/puke/, body)
+
+    get "/not_found", {}, {'action_dispatch.show_exceptions' => true}
+    assert_response 404
+    assert_match(/#{ActionController::UnknownAction.name}/, body)
+
+    get "/method_not_allowed", {}, {'action_dispatch.show_exceptions' => true}
+    assert_response 405
+    assert_match(/ActionController::MethodNotAllowed/, body)
+  end
+
+  test "does not show filtered parameters" do
+    @app = DevelopmentApp
+
+    get "/", {"foo"=>"bar"}, {'action_dispatch.show_exceptions' => true,
+      'action_dispatch.parameter_filter' => [:foo]}
+    assert_response 500
+    assert_match("&quot;foo&quot;=&gt;&quot;[FILTERED]&quot;", body)
+  end
+
+  test "show registered original exception for wrapped exceptions" do
+    @app = DevelopmentApp
+
+    get "/not_found_original_exception", {}, {'action_dispatch.show_exceptions' => true}
+    assert_response 404
+    assert_match(/AbstractController::ActionNotFound/, body)
+  end
+
+  test "show the controller name in the diagnostics template when controller name is present" do
+    @app = DevelopmentApp
+    get("/runtime_error", {}, {
+      'action_dispatch.show_exceptions' => true,
+      'action_dispatch.request.parameters' => {
+        'action' => 'show',
+        'id' => 'unknown',
+        'controller' => 'featured_tile'
+      }
+    })
+    assert_response 500
+    assert_match(/RuntimeError\n    in FeaturedTileController/, body)
+  end
+
+  test "sets the HTTP charset parameter" do
+    @app = DevelopmentApp
+
+    get "/", {}, {'action_dispatch.show_exceptions' => true}
+    assert_equal "text/html; charset=utf-8", response.headers["Content-Type"]
+  end
+
+  test 'uses logger from env' do
+    @app = DevelopmentApp
+    output = StringIO.new
+    get "/", {}, {'action_dispatch.show_exceptions' => true, 'action_dispatch.logger' => Logger.new(output)}
+    assert_match(/puke/, output.rewind && output.read)
+  end
+
+  test 'uses backtrace cleaner from env' do
+    @app = DevelopmentApp
+    cleaner = stub(:clean => ['passed backtrace cleaner'])
+    get "/", {}, {'action_dispatch.show_exceptions' => true, 'action_dispatch.backtrace_cleaner' => cleaner}
+    assert_match(/passed backtrace cleaner/, body)
+  end
+end
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