pkg/shelf

pkg/shelf/test/http_date_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.http_date_test;
+
+import 'package:shelf/src/util.dart';
+import 'package:unittest/unittest.dart';
+
+void main() {
+  group("parse", () {
+    group("RFC 1123", () {
+      test("parses the example date", () {
+        var date = parseHttpDate("Sun, 06 Nov 1994 08:49:37 GMT");
+        expect(date.day, equals(6));
+        expect(date.month, equals(DateTime.NOVEMBER));
+        expect(date.year, equals(1994));
+        expect(date.hour, equals(8));
+        expect(date.minute, equals(49));
+        expect(date.second, equals(37));
+        expect(date.timeZoneName, equals("UTC"));
+      });
+
+      test("whitespace is required", () {
+        expect(() => parseHttpDate("Sun,06 Nov 1994 08:49:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun, 06Nov 1994 08:49:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun, 06 Nov1994 08:49:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun, 06 Nov 199408:49:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun, 06 Nov 1994 08:49:37GMT"),
+            throwsFormatException);
+      });
+
+      test("exactly one space is required", () {
+        expect(() => parseHttpDate("Sun,  06 Nov 1994 08:49:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun, 06  Nov 1994 08:49:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun, 06 Nov  1994 08:49:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun, 06 Nov 1994  08:49:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun, 06 Nov 1994 08:49:37  GMT"),
+            throwsFormatException);
+      });
+
+      test("requires precise number lengths", () {
+        expect(() => parseHttpDate("Sun, 6 Nov 1994 08:49:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun, 06 Nov 94 08:49:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun, 06 Nov 1994 8:49:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun, 06 Nov 1994 08:9:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun, 06 Nov 1994 08:49:7 GMT"),
+            throwsFormatException);
+      });
+
+      test("requires reasonable numbers", () {
+        expect(() => parseHttpDate("Sun, 00 Nov 1994 08:49:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun, 31 Nov 1994 08:49:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun, 32 Aug 1994 08:49:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun, 06 Nov 1994 24:49:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun, 06 Nov 1994 08:60:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun, 06 Nov 1994 08:49:60 GMT"),
+            throwsFormatException);
+      });
+
+      test("only allows short weekday names", () {
+        expect(() => parseHttpDate("Sunday, 6 Nov 1994 08:49:37 GMT"),
+            throwsFormatException);
+      });
+
+      test("only allows short month names", () {
+        expect(() => parseHttpDate("Sun, 6 November 1994 08:49:37 GMT"),
+            throwsFormatException);
+      });
+
+      test("only allows GMT", () {
+        expect(() => parseHttpDate("Sun, 6 Nov 1994 08:49:37 PST"),
+            throwsFormatException);
+      });
+
+      test("disallows trailing whitespace", () {
+        expect(() => parseHttpDate("Sun, 6 Nov 1994 08:49:37 GMT "),
+            throwsFormatException);
+      });
+    });
+
+    group("RFC 850", () {
+      test("parses the example date", () {
+        var date = parseHttpDate("Sunday, 06-Nov-94 08:49:37 GMT");
+        expect(date.day, equals(6));
+        expect(date.month, equals(DateTime.NOVEMBER));
+        expect(date.year, equals(1994));
+        expect(date.hour, equals(8));
+        expect(date.minute, equals(49));
+        expect(date.second, equals(37));
+        expect(date.timeZoneName, equals("UTC"));
+      });
+
+      test("whitespace is required", () {
+        expect(() => parseHttpDate("Sunday,06-Nov-94 08:49:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sunday, 06-Nov-9408:49:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sunday, 06-Nov-94 08:49:37GMT"),
+            throwsFormatException);
+      });
+
+      test("exactly one space is required", () {
+        expect(() => parseHttpDate("Sunday,  06-Nov-94 08:49:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sunday, 06-Nov-94  08:49:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sunday, 06-Nov-94 08:49:37  GMT"),
+            throwsFormatException);
+      });
+
+      test("requires precise number lengths", () {
+        expect(() => parseHttpDate("Sunday, 6-Nov-94 08:49:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sunday, 06-Nov-1994 08:49:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sunday, 06-Nov-94 8:49:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sunday, 06-Nov-94 08:9:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sunday, 06-Nov-94 08:49:7 GMT"),
+            throwsFormatException);
+      });
+
+      test("requires reasonable numbers", () {
+        expect(() => parseHttpDate("Sunday, 00-Nov-94 08:49:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sunday, 31-Nov-94 08:49:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sunday, 32-Aug-94 08:49:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sunday, 06-Nov-94 24:49:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sunday, 06-Nov-94 08:60:37 GMT"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sunday, 06-Nov-94 08:49:60 GMT"),
+            throwsFormatException);
+      });
+
+      test("only allows long weekday names", () {
+        expect(() => parseHttpDate("Sun, 6-Nov-94 08:49:37 GMT"),
+            throwsFormatException);
+      });
+
+      test("only allows short month names", () {
+        expect(() => parseHttpDate("Sunday, 6-November-94 08:49:37 GMT"),
+            throwsFormatException);
+      });
+
+      test("only allows GMT", () {
+        expect(() => parseHttpDate("Sunday, 6-Nov-94 08:49:37 PST"),
+            throwsFormatException);
+      });
+
+      test("disallows trailing whitespace", () {
+        expect(() => parseHttpDate("Sunday, 6-Nov-94 08:49:37 GMT "),
+            throwsFormatException);
+      });
+    });
+
+    group("asctime()", () {
+      test("parses the example date", () {
+        var date = parseHttpDate("Sun Nov  6 08:49:37 1994");
+        expect(date.day, equals(6));
+        expect(date.month, equals(DateTime.NOVEMBER));
+        expect(date.year, equals(1994));
+        expect(date.hour, equals(8));
+        expect(date.minute, equals(49));
+        expect(date.second, equals(37));
+        expect(date.timeZoneName, equals("UTC"));
+      });
+
+      test("parses a date with a two-digit day", () {
+        var date = parseHttpDate("Sun Nov 16 08:49:37 1994");
+        expect(date.day, equals(16));
+        expect(date.month, equals(DateTime.NOVEMBER));
+        expect(date.year, equals(1994));
+        expect(date.hour, equals(8));
+        expect(date.minute, equals(49));
+        expect(date.second, equals(37));
+        expect(date.timeZoneName, equals("UTC"));
+      });
+
+      test("whitespace is required", () {
+        expect(() => parseHttpDate("SunNov  6 08:49:37 1994"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun Nov6 08:49:37 1994"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun Nov  608:49:37 1994"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun Nov  6 08:49:371994"),
+            throwsFormatException);
+      });
+
+      test("the right amount of whitespace is required", () {
+        expect(() => parseHttpDate("Sun  Nov  6 08:49:37 1994"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun Nov   6 08:49:37 1994"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun Nov 6 08:49:37 1994"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun Nov  6  08:49:37 1994"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun Nov  6 08:49:37  1994"),
+            throwsFormatException);
+      });
+
+      test("requires precise number lengths", () {
+        expect(() => parseHttpDate("Sun Nov 016 08:49:37 1994"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun Nov  6 8:49:37 1994"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun Nov  6 08:9:37 1994"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun Nov  6 08:49:7 1994"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun Nov  6 08:49:37 94"),
+            throwsFormatException);
+      });
+
+      test("requires reasonable numbers", () {
+        expect(() => parseHttpDate("Sun Nov 0 08:49:37 1994"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun Nov 31 08:49:37 1994"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun Aug 32 08:49:37 1994"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun Nov  6 24:49:37 1994"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun Nov  6 08:60:37 1994"),
+            throwsFormatException);
+
+        expect(() => parseHttpDate("Sun Nov  6 08:49:60 1994"),
+            throwsFormatException);
+      });
+
+      test("only allows short weekday names", () {
+        expect(() => parseHttpDate("Sunday Nov 0 08:49:37 1994"),
+            throwsFormatException);
+      });
+
+      test("only allows short month names", () {
+        expect(() => parseHttpDate("Sun November 0 08:49:37 1994"),
+            throwsFormatException);
+      });
+
+      test("disallows trailing whitespace", () {
+        expect(() => parseHttpDate("Sun November 0 08:49:37 1994 "),
+            throwsFormatException);
+      });
+    });
+  });
+}