pkg/shelf

pkg/shelf/test/request_test.dart

+// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+library shelf.request_test;
+
+import 'dart:async';
+import 'dart:convert';
+
+import 'package:shelf/shelf.dart';
+import 'package:unittest/unittest.dart';
+
+Request _request([Map<String, String> headers, Stream<List<int>> body]) {
+  if (headers == null) headers = {};
+  return new Request("/", "", "GET", "", "1.1", Uri.parse('http://localhost/'),
+      headers, body: body);
+}
+
+void main() {
+  group("contentLength", () {
+    test("is null without a content-length header", () {
+      var request = _request();
+      expect(request.contentLength, isNull);
+    });
+
+    test("comes from the content-length header", () {
+      var request = _request({
+        'content-length': '42'
+      });
+      expect(request.contentLength, 42);
+    });
+  });
+
+  group("ifModifiedSince", () {
+    test("is null without an If-Modified-Since header", () {
+      var request = _request();
+      expect(request.ifModifiedSince, isNull);
+    });
+
+    test("comes from the Last-Modified header", () {
+      var request = _request({
+        'if-modified-since': 'Sun, 06 Nov 1994 08:49:37 GMT'
+      });
+      expect(request.ifModifiedSince,
+          equals(DateTime.parse("1994-11-06 08:49:37z")));
+    });
+  });
+
+  group("readAsString", () {
+    test("supports a null body", () {
+      var request = _request();
+      expect(request.readAsString(), completion(equals("")));
+    });
+
+    test("supports a Stream<List<int>> body", () {
+      var controller = new StreamController();
+      var request = _request({}, controller.stream);
+      expect(request.readAsString(), completion(equals("hello, world")));
+
+      controller.add([104, 101, 108, 108, 111, 44]);
+      return new Future(() {
+        controller
+          ..add([32, 119, 111, 114, 108, 100])
+          ..close();
+      });
+    });
+
+    test("defaults to UTF-8", () {
+      var request = _request({}, new Stream.fromIterable([[195, 168]]));
+      expect(request.readAsString(), completion(equals("è")));
+    });
+
+    test("the content-type header overrides the default", () {
+      var request = _request({'content-type': 'text/plain; charset=iso-8859-1'},
+          new Stream.fromIterable([[195, 168]]));
+      expect(request.readAsString(), completion(equals("è")));
+    });
+
+    test("an explicit encoding overrides the content-type header", () {
+      var request = _request({'content-type': 'text/plain; charset=iso-8859-1'},
+          new Stream.fromIterable([[195, 168]]));
+      expect(request.readAsString(LATIN1), completion(equals("è")));
+    });
+  });
+
+  group("read", () {
+    test("supports a null body", () {
+      var request = _request();
+      expect(request.read().toList(), completion(isEmpty));
+    });
+
+    test("supports a Stream<List<int>> body", () {
+      var controller = new StreamController();
+      var request = _request({}, controller.stream);
+      expect(request.read().toList(), completion(equals([
+        [104, 101, 108, 108, 111, 44],
+        [32, 119, 111, 114, 108, 100]
+      ])));
+
+      controller.add([104, 101, 108, 108, 111, 44]);
+      return new Future(() {
+        controller
+          ..add([32, 119, 111, 114, 108, 100])
+          ..close();
+      });
+    });
+  });
+
+  group("mimeType", () {
+    test("is null without a content-type header", () {
+      expect(_request().mimeType, isNull);
+    });
+
+    test("comes from the content-type header", () {
+      expect(_request({
+        'content-type': 'text/plain'
+      }).mimeType, equals('text/plain'));
+    });
+
+    test("doesn't include parameters", () {
+      expect(_request({
+        'content-type': 'text/plain; foo=bar; bar=baz'
+      }).mimeType, equals('text/plain'));
+    });
+  });
+
+  group("encoding", () {
+    test("is null without a content-type header", () {
+      expect(_request().encoding, isNull);
+    });
+
+    test("is null without a charset parameter", () {
+      expect(_request({
+        'content-type': 'text/plain'
+      }).encoding, isNull);
+    });
+
+    test("is null with an unrecognized charset parameter", () {
+      expect(_request({
+        'content-type': 'text/plain; charset=fblthp'
+      }).encoding, isNull);
+    });
+
+    test("comes from the content-type charset parameter", () {
+      expect(_request({
+        'content-type': 'text/plain; charset=iso-8859-1'
+      }).encoding, equals(LATIN1));
+    });
+  });
+}