lib/popcorn: introduce middleware examples
authorAlexandre Terrasa <alexandre@moz-code.org>
Mon, 16 May 2016 19:04:12 +0000 (15:04 -0400)
committerAlexandre Terrasa <alexandre@moz-code.org>
Thu, 19 May 2016 21:33:52 +0000 (17:33 -0400)
Signed-off-by: Alexandre Terrasa <alexandre@moz-code.org>

12 files changed:
lib/popcorn/examples/middlewares/example_advanced_logger.nit [new file with mode: 0644]
lib/popcorn/examples/middlewares/example_html_error_handler.nit [new file with mode: 0644]
lib/popcorn/examples/middlewares/example_simple_error_handler.nit [new file with mode: 0644]
lib/popcorn/examples/middlewares/example_simple_logger.nit [new file with mode: 0644]
lib/popcorn/tests/res/test_example_advanced_logger.res [new file with mode: 0644]
lib/popcorn/tests/res/test_example_html_error_handler.res [new file with mode: 0644]
lib/popcorn/tests/res/test_example_simple_error_handler.res [new file with mode: 0644]
lib/popcorn/tests/res/test_example_simple_logger.res [new file with mode: 0644]
lib/popcorn/tests/test_example_advanced_logger.nit [new file with mode: 0644]
lib/popcorn/tests/test_example_html_error_handler.nit [new file with mode: 0644]
lib/popcorn/tests/test_example_simple_error_handler.nit [new file with mode: 0644]
lib/popcorn/tests/test_example_simple_logger.nit [new file with mode: 0644]

diff --git a/lib/popcorn/examples/middlewares/example_advanced_logger.nit b/lib/popcorn/examples/middlewares/example_advanced_logger.nit
new file mode 100644 (file)
index 0000000..b97d10c
--- /dev/null
@@ -0,0 +1,54 @@
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Copyright 2016 Alexandre Terrasa <alexandre@moz-code.org>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import popcorn
+import realtime
+
+redef class HttpRequest
+       # Time that request was received by the Popcorn app.
+       var timer: nullable Clock = null
+end
+
+class RequestTimeHandler
+       super Handler
+
+       redef fun all(req, res) do req.timer = new Clock
+end
+
+class LogHandler
+       super Handler
+
+       redef fun all(req, res) do
+               var timer = req.timer
+               if timer != null then
+                       print "{req.method} {req.uri} {res.color_status} ({timer.total})"
+               else
+                       print "{req.method} {req.uri} {res.color_status}"
+               end
+       end
+end
+
+class HelloHandler
+       super Handler
+
+       redef fun get(req, res) do res.send "Hello World!"
+end
+
+var app = new App
+app.use("/*", new RequestTimeHandler)
+app.use("/", new HelloHandler)
+app.use("/*", new LogHandler)
+app.listen("localhost", 3000)
diff --git a/lib/popcorn/examples/middlewares/example_html_error_handler.nit b/lib/popcorn/examples/middlewares/example_html_error_handler.nit
new file mode 100644 (file)
index 0000000..5bd399c
--- /dev/null
@@ -0,0 +1,51 @@
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Copyright 2016 Alexandre Terrasa <alexandre@moz-code.org>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import popcorn
+import template
+
+class HtmlErrorTemplate
+       super Template
+
+       var status: Int
+       var message: nullable String
+
+       redef fun rendering do add """
+               <!DOCTYPE html>
+               <html>
+               <head>
+                       <meta charset="utf-8">
+                       <title>{{{message or else status}}}</title>
+               </head>
+               <body>
+               <h1>{{{status}}} {{{message or else ""}}}</h1>
+               </body>
+               </html>"""
+end
+
+class HtmlErrorHandler
+       super Handler
+
+       redef fun all(req, res) do
+               if res.status_code != 200 then
+                       res.send(new HtmlErrorTemplate(res.status_code, "An error occurred!"))
+               end
+       end
+end
+
+var app = new App
+app.use("/*", new HtmlErrorHandler)
+app.listen("localhost", 3000)
diff --git a/lib/popcorn/examples/middlewares/example_simple_error_handler.nit b/lib/popcorn/examples/middlewares/example_simple_error_handler.nit
new file mode 100644 (file)
index 0000000..16a5977
--- /dev/null
@@ -0,0 +1,39 @@
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Copyright 2016 Alexandre Terrasa <alexandre@moz-code.org>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import popcorn
+
+class SimpleErrorHandler
+       super Handler
+
+       redef fun all(req, res) do
+               if res.status_code != 200 then
+                       res.send("An error occurred!", res.status_code)
+               end
+       end
+end
+
+class HelloHandler
+       super Handler
+
+       redef fun get(req, res) do res.send "Hello World!"
+end
+
+
+var app = new App
+app.use("/", new HelloHandler)
+app.use("/*", new SimpleErrorHandler)
+app.listen("localhost", 3000)
diff --git a/lib/popcorn/examples/middlewares/example_simple_logger.nit b/lib/popcorn/examples/middlewares/example_simple_logger.nit
new file mode 100644 (file)
index 0000000..98be552
--- /dev/null
@@ -0,0 +1,35 @@
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Copyright 2016 Alexandre Terrasa <alexandre@moz-code.org>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import popcorn
+
+class LogHandler
+       super Handler
+
+       redef fun all(req, res) do print "Request Logged"
+end
+
+class HelloHandler
+       super Handler
+
+       redef fun get(req, res) do res.send "Hello World!"
+end
+
+
+var app = new App
+app.use("/*", new LogHandler)
+app.use("/", new HelloHandler)
+app.listen("localhost", 3000)
diff --git a/lib/popcorn/tests/res/test_example_advanced_logger.res b/lib/popcorn/tests/res/test_example_advanced_logger.res
new file mode 100644 (file)
index 0000000..7e56183
--- /dev/null
@@ -0,0 +1,16 @@
+
+[Client] curl -s localhost:*****/
+GET / \e[32m200\e[m (0.0s)
+Hello World!
+[Client] curl -s localhost:*****/about
+GET /about \e[33m404\e[m (0.0s)
+               <!DOCTYPE html>
+               <html>
+               <head>
+                       <meta charset="utf-8">
+                       <title>Not Found</title>
+               </head>
+               <body>
+               <h1>404 Not Found</h1>
+               </body>
+               </html>
\ No newline at end of file
diff --git a/lib/popcorn/tests/res/test_example_html_error_handler.res b/lib/popcorn/tests/res/test_example_html_error_handler.res
new file mode 100644 (file)
index 0000000..3015280
--- /dev/null
@@ -0,0 +1,23 @@
+
+[Client] curl -s localhost:*****/
+               <!DOCTYPE html>
+               <html>
+               <head>
+                       <meta charset="utf-8">
+                       <title>An error occurred!</title>
+               </head>
+               <body>
+               <h1>404 An error occurred!</h1>
+               </body>
+               </html>
+[Client] curl -s localhost:*****/about
+               <!DOCTYPE html>
+               <html>
+               <head>
+                       <meta charset="utf-8">
+                       <title>An error occurred!</title>
+               </head>
+               <body>
+               <h1>404 An error occurred!</h1>
+               </body>
+               </html>
\ No newline at end of file
diff --git a/lib/popcorn/tests/res/test_example_simple_error_handler.res b/lib/popcorn/tests/res/test_example_simple_error_handler.res
new file mode 100644 (file)
index 0000000..67e5a72
--- /dev/null
@@ -0,0 +1,5 @@
+
+[Client] curl -s localhost:*****/
+Hello World!
+[Client] curl -s localhost:*****/about
+An error occurred!
\ No newline at end of file
diff --git a/lib/popcorn/tests/res/test_example_simple_logger.res b/lib/popcorn/tests/res/test_example_simple_logger.res
new file mode 100644 (file)
index 0000000..9bc50e3
--- /dev/null
@@ -0,0 +1,16 @@
+
+[Client] curl -s localhost:*****/
+Request Logged
+Hello World!
+[Client] curl -s localhost:*****/about
+Request Logged
+               <!DOCTYPE html>
+               <html>
+               <head>
+                       <meta charset="utf-8">
+                       <title>Not Found</title>
+               </head>
+               <body>
+               <h1>404 Not Found</h1>
+               </body>
+               </html>
\ No newline at end of file
diff --git a/lib/popcorn/tests/test_example_advanced_logger.nit b/lib/popcorn/tests/test_example_advanced_logger.nit
new file mode 100644 (file)
index 0000000..41193d2
--- /dev/null
@@ -0,0 +1,47 @@
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Copyright 2016 Alexandre Terrasa <alexandre@moz-code.org>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import example_advanced_logger
+import base_tests
+
+class TestClient
+       super ClientThread
+
+       redef fun main do
+               system "curl -s {host}:{port}/"
+               system "curl -s {host}:{port}/about"
+               return null
+       end
+end
+
+var app = new App
+app.use("/*", new RequestTimeHandler)
+app.use("/", new HelloHandler)
+app.use("/*", new LogHandler)
+
+var host = test_host
+var port = test_port
+
+var server = new AppThread(host, port, app)
+server.start
+0.1.sleep
+
+var client = new TestClient(host, port)
+client.start
+client.join
+0.1.sleep
+
+exit 0
diff --git a/lib/popcorn/tests/test_example_html_error_handler.nit b/lib/popcorn/tests/test_example_html_error_handler.nit
new file mode 100644 (file)
index 0000000..95abb7a
--- /dev/null
@@ -0,0 +1,45 @@
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Copyright 2016 Alexandre Terrasa <alexandre@moz-code.org>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import example_html_error_handler
+import base_tests
+
+class TestClient
+       super ClientThread
+
+       redef fun main do
+               system "curl -s {host}:{port}/"
+               system "curl -s {host}:{port}/about"
+               return null
+       end
+end
+
+var app = new App
+app.use("/*", new HtmlErrorHandler)
+
+var host = test_host
+var port = test_port
+
+var server = new AppThread(host, port, app)
+server.start
+0.1.sleep
+
+var client = new TestClient(host, port)
+client.start
+client.join
+0.1.sleep
+
+exit 0
diff --git a/lib/popcorn/tests/test_example_simple_error_handler.nit b/lib/popcorn/tests/test_example_simple_error_handler.nit
new file mode 100644 (file)
index 0000000..ce671f0
--- /dev/null
@@ -0,0 +1,46 @@
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Copyright 2016 Alexandre Terrasa <alexandre@moz-code.org>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import example_simple_error_handler
+import base_tests
+
+class TestClient
+       super ClientThread
+
+       redef fun main do
+               system "curl -s {host}:{port}/"
+               system "curl -s {host}:{port}/about"
+               return null
+       end
+end
+
+var app = new App
+app.use("/", new HelloHandler)
+app.use("/*", new SimpleErrorHandler)
+
+var host = test_host
+var port = test_port
+
+var server = new AppThread(host, port, app)
+server.start
+0.1.sleep
+
+var client = new TestClient(host, port)
+client.start
+client.join
+0.1.sleep
+
+exit 0
diff --git a/lib/popcorn/tests/test_example_simple_logger.nit b/lib/popcorn/tests/test_example_simple_logger.nit
new file mode 100644 (file)
index 0000000..50f6af9
--- /dev/null
@@ -0,0 +1,46 @@
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Copyright 2016 Alexandre Terrasa <alexandre@moz-code.org>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import example_simple_logger
+import base_tests
+
+class TestClient
+       super ClientThread
+
+       redef fun main do
+               system "curl -s {host}:{port}/"
+               system "curl -s {host}:{port}/about"
+               return null
+       end
+end
+
+var app = new App
+app.use("/*", new LogHandler)
+app.use("/", new HelloHandler)
+
+var host = test_host
+var port = test_port
+
+var server = new AppThread(host, port, app)
+server.start
+0.1.sleep
+
+var client = new TestClient(host, port)
+client.start
+client.join
+0.1.sleep
+
+exit 0