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dart / sdk.git / 847ca4715c9e66700b6cc917ae1f69e0d816095e / . / tests / corelib / uri_test.dart
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// Copyright (c) 2012, 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 uriTest;
import "package:expect/expect.dart";
import 'dart:convert';
testUri(String uriText, bool isAbsolute) {
var uri = Uri.parse(uriText);
// Test that parsing a substring works the same as parsing the string.
String wrapper = "://@[]:/%?#";
var embeddedUri = Uri.parse(
"$wrapper$uri$wrapper", wrapper.length, uriText.length + wrapper.length);
Expect.equals(uri, embeddedUri);
Expect.equals(isAbsolute, uri.isAbsolute);
Expect.stringEquals(uriText, uri.toString());
// Test equals and hashCode members.
var uri2 = Uri.parse(uriText);
Expect.equals(uri, uri2);
Expect.equals(uri.hashCode, uri2.hashCode);
// Test that removeFragment doesn't change anything else.
if (uri.hasFragment) {
Expect.equals(Uri.parse(uriText.substring(0, uriText.indexOf('#'))),
uri.removeFragment());
} else {
Expect.equals(uri, Uri.parse(uriText + "#fragment").removeFragment());
}
Expect.isTrue(uri.isScheme(uri.scheme));
Expect.isTrue(uri.isScheme(uri.scheme.toLowerCase()));
Expect.isTrue(uri.isScheme(uri.scheme.toUpperCase()));
if (uri.hasScheme) {
// Capitalize
Expect.isTrue(
uri.isScheme(uri.scheme[0].toUpperCase() + uri.scheme.substring(1)));
Expect
.isFalse(uri.isScheme(uri.scheme.substring(0, uri.scheme.length - 1)));
Expect.isFalse(uri.isScheme(uri.scheme + ":"));
Expect.isFalse(uri.isScheme(uri.scheme + "\x00"));
} else {
Expect.isTrue(uri.isScheme(null));
Expect.isFalse(uri.isScheme(":"));
}
}
testEncodeDecode(String orig, String encoded) {
var e = Uri.encodeFull(orig);
Expect.stringEquals(encoded, e);
var d = Uri.decodeFull(encoded);
Expect.stringEquals(orig, d);
}
testEncodeDecodeComponent(String orig, String encoded) {
var e = Uri.encodeComponent(orig);
Expect.stringEquals(encoded, e);
var d = Uri.decodeComponent(encoded);
Expect.stringEquals(orig, d);
}
testEncodeDecodeQueryComponent(String orig, String encodedUTF8,
String encodedLatin1, String encodedAscii) {
var e, d;
e = Uri.encodeQueryComponent(orig);
Expect.stringEquals(encodedUTF8, e);
d = Uri.decodeQueryComponent(encodedUTF8);
Expect.stringEquals(orig, d);
e = Uri.encodeQueryComponent(orig, encoding: UTF8);
Expect.stringEquals(encodedUTF8, e);
d = Uri.decodeQueryComponent(encodedUTF8, encoding: UTF8);
Expect.stringEquals(orig, d);
e = Uri.encodeQueryComponent(orig, encoding: LATIN1);
Expect.stringEquals(encodedLatin1, e);
d = Uri.decodeQueryComponent(encodedLatin1, encoding: LATIN1);
Expect.stringEquals(orig, d);
if (encodedAscii != null) {
e = Uri.encodeQueryComponent(orig, encoding: ASCII);
Expect.stringEquals(encodedAscii, e);
d = Uri.decodeQueryComponent(encodedAscii, encoding: ASCII);
Expect.stringEquals(orig, d);
} else {
Expect.throws(() => Uri.encodeQueryComponent(orig, encoding: ASCII),
(e) => e is ArgumentError);
}
}
testUriPerRFCs() {
// Convert a Uri to a guaranteed "non simple" URI with the same content.
toComplex(Uri uri) {
Uri complex = new Uri(
scheme: uri.scheme,
userInfo: uri.hasAuthority ? uri.userInfo : null,
host: uri.hasAuthority ? uri.host : null,
port: uri.hasAuthority ? uri.port : null,
path: uri.path,
query: uri.hasQuery ? uri.query : null,
fragment: uri.hasFragment ? uri.fragment : null,
);
assert(complex.toString() == uri.toString());
return complex;
}
Uri base;
Uri complexBase;
// Sets the [base] and [complexBase] to the parse of the URI and a
// guaranteed non-simple version of the same URI.
setBase(String uri) {
base = Uri.parse(uri);
complexBase = toComplex(base);
}
testResolve(expect, relative) {
String name = "$base << $relative";
Expect.stringEquals(expect, base.resolve(relative).toString(), name);
Expect.stringEquals(expect, complexBase.resolve(relative).toString(),
name + " (complex base)");
}
// From RFC 3986.
final urisSample = "http://a/b/c/d;p?q";
setBase(urisSample);
testResolve("g:h", "g:h");
testResolve("http://a/b/c/g", "g");
testResolve("http://a/b/c/g", "./g");
testResolve("http://a/b/c/g/", "g/");
testResolve("http://a/g", "/g");
testResolve("http://g", "//g");
testResolve("http://a/b/c/d;p?y", "?y");
testResolve("http://a/b/c/g?y", "g?y");
testResolve("http://a/b/c/d;p?q#s", "#s");
testResolve("http://a/b/c/g#s", "g#s");
testResolve("http://a/b/c/g?y#s", "g?y#s");
testResolve("http://a/b/c/;x", ";x");
testResolve("http://a/b/c/g;x", "g;x");
testResolve("http://a/b/c/g;x?y#s", "g;x?y#s");
testResolve("http://a/b/c/d;p?q", "");
testResolve("http://a/b/c/", ".");
testResolve("http://a/b/c/", "./");
testResolve("http://a/b/", "..");
testResolve("http://a/b/", "../");
testResolve("http://a/b/g", "../g");
testResolve("http://a/", "../..");
testResolve("http://a/", "../../");
testResolve("http://a/g", "../../g");
testResolve("http://a/g", "../../../g");
testResolve("http://a/g", "../../../../g");
testResolve("http://a/g", "/./g");
testResolve("http://a/g", "/../g");
testResolve("http://a/b/c/g.", "g.");
testResolve("http://a/b/c/.g", ".g");
testResolve("http://a/b/c/g..", "g..");
testResolve("http://a/b/c/..g", "..g");
testResolve("http://a/b/g", "./../g");
testResolve("http://a/b/c/g/", "./g/.");
testResolve("http://a/b/c/g/h", "g/./h");
testResolve("http://a/b/c/h", "g/../h");
testResolve("http://a/b/c/g;x=1/y", "g;x=1/./y");
testResolve("http://a/b/c/y", "g;x=1/../y");
testResolve("http://a/b/c/g?y/./x", "g?y/./x");
testResolve("http://a/b/c/g?y/../x", "g?y/../x");
testResolve("http://a/b/c/g#s/./x", "g#s/./x");
testResolve("http://a/b/c/g#s/../x", "g#s/../x");
testResolve("http:g", "http:g");
// Additional tests (not from RFC 3986).
testResolve("http://a/b/g;p/h;s", "../g;p/h;s");
setBase("s:a/b");
testResolve("s:a/c", "c");
testResolve("s:/c", "../c");
setBase("S:a/b");
testResolve("s:a/c", "c");
testResolve("s:/c", "../c");
setBase("s:foo");
testResolve("s:bar", "bar");
testResolve("s:bar", "../bar");
setBase("S:foo");
testResolve("s:bar", "bar");
testResolve("s:bar", "../bar");
// Special-case (deliberate non-RFC behavior).
setBase("foo/bar");
testResolve("foo/baz", "baz");
testResolve("baz", "../baz");
setBase("s:/foo");
testResolve("s:/bar", "bar");
testResolve("s:/bar", "../bar");
setBase("S:/foo");
testResolve("s:/bar", "bar");
testResolve("s:/bar", "../bar");
// Test non-URI base (no scheme, no authority, relative path).
setBase("a/b/c?_#_");
testResolve("a/b/g?q#f", "g?q#f");
testResolve("./", "../..");
testResolve("../", "../../..");
testResolve("a/b/", ".");
testResolve("c", "../../c"); // Deliberate non-RFC behavior.
setBase("../../a/b/c?_#_"); // Initial ".." in base url.
testResolve("../../a/d", "../d");
testResolve("../../d", "../../d");
testResolve("../../../d", "../../../d");
setBase("../../a/b");
testResolve("../../a/d", "d");
testResolve("../../d", "../d");
testResolve("../../../d", "../../d");
setBase("../../a");
testResolve("../../d", "d");
testResolve("../../../d", "../d");
testResolve("../../../../d", "../../d");
// Absolute path, not scheme or authority.
setBase("/a");
testResolve("/b", "b");
testResolve("/b", "../b");
testResolve("/b", "../../b");
setBase("/a/b");
testResolve("/a/c", "c");
testResolve("/c", "../c");
testResolve("/c", "../../c");
setBase("s://h/p?q#f"); // A simple base.
// Simple references:
testResolve("s2://h2/P?Q#F", "s2://h2/P?Q#F");
testResolve("s://h2/P?Q#F", "//h2/P?Q#F");
testResolve("s://h/P?Q#F", "/P?Q#F");
testResolve("s://h/p?Q#F", "?Q#F");
testResolve("s://h/p?q#F", "#F");
testResolve("s://h/p?q", "");
// Non-simple references:
testResolve("s2://I@h2/P?Q#F%20", "s2://I@h2/P?Q#F%20");
testResolve("s://I@h2/P?Q#F%20", "//I@h2/P?Q#F%20");
testResolve("s://h2/P?Q#F%20", "//h2/P?Q#F%20");
testResolve("s://h/P?Q#F%20", "/P?Q#F%20");
testResolve("s://h/p?Q#F%20", "?Q#F%20");
testResolve("s://h/p?q#F%20", "#F%20");
setBase("s://h/p1/p2/p3"); // A simple base with a path.
testResolve("s://h/p1/p2/", ".");
testResolve("s://h/p1/p2/", "./");
testResolve("s://h/p1/", "..");
testResolve("s://h/p1/", "../");
testResolve("s://h/", "../..");
testResolve("s://h/", "../../");
testResolve("s://h/p1/%20", "../%20");
testResolve("s://h/", "../../../..");
testResolve("s://h/", "../../../../");
setBase("s://h/p?q#f%20"); // A non-simpe base.
// Simple references:
testResolve("s2://h2/P?Q#F", "s2://h2/P?Q#F");
testResolve("s://h2/P?Q#F", "//h2/P?Q#F");
testResolve("s://h/P?Q#F", "/P?Q#F");
testResolve("s://h/p?Q#F", "?Q#F");
testResolve("s://h/p?q#F", "#F");
testResolve("s://h/p?q", "");
// Non-simple references:
testResolve("s2://I@h2/P?Q#F%20", "s2://I@h2/P?Q#F%20");
testResolve("s://I@h2/P?Q#F%20", "//I@h2/P?Q#F%20");
testResolve("s://h2/P?Q#F%20", "//h2/P?Q#F%20");
testResolve("s://h/P?Q#F%20", "/P?Q#F%20");
testResolve("s://h/p?Q#F%20", "?Q#F%20");
testResolve("s://h/p?q#F%20", "#F%20");
setBase("S://h/p1/p2/p3"); // A non-simple base with a path.
testResolve("s://h/p1/p2/", ".");
testResolve("s://h/p1/p2/", "./");
testResolve("s://h/p1/", "..");
testResolve("s://h/p1/", "../");
testResolve("s://h/", "../..");
testResolve("s://h/", "../../");
testResolve("s://h/p1/%20", "../%20");
testResolve("s://h/", "../../../..");
testResolve("s://h/", "../../../../");
setBase("../../../"); // A simple relative path.
testResolve("../../../a", "a");
testResolve("../../../../a", "../a");
testResolve("../../../a%20", "a%20");
testResolve("../../../../a%20", "../a%20");
// Tests covering the branches of the merge algorithm in RFC 3986
// with both simple and complex base URIs.
for (var b in ["s://a/pa/pb?q#f", "s://a/pa/pb?q#f%20"]) {
setBase(b);
// if defined(R.scheme) then ...
testResolve("s2://a2/p2?q2#f2", "s2://a2/p2?q2#f2");
// else, if defined(R.authority) then ...
testResolve("s://a2/p2?q2#f2", "//a2/p2?q2#f2");
testResolve("s://a2/?q2#f2", "//a2/../?q2#f2");
testResolve("s://a2?q2#f2", "//a2?q2#f2");
testResolve("s://a2#f2", "//a2#f2");
testResolve("s://a2", "//a2");
// else, if (R.path == "") then ...
// if defined(R.query) then
testResolve("s://a/pa/pb?q2#f2", "?q2#f2");
testResolve("s://a/pa/pb?q2", "?q2");
// else
testResolve("s://a/pa/pb?q#f2", "#f2");
testResolve("s://a/pa/pb?q", "");
// else, if (R.path starts-with "/") then ...
testResolve("s://a/p2?q2#f2", "/p2?q2#f2");
testResolve("s://a/?q2#f2", "/?q2#f2");
testResolve("s://a/#f2", "/#f2");
testResolve("s://a/", "/");
testResolve("s://a/", "/../");
// else ... T.path = merge(Base.path, R.path)
// ... remove-dot-fragments(T.path) ...
// (Cover the merge function and the remove-dot-fragments functions too).
// If base has authority and empty path ...
var emptyPathBase = b.replaceFirst("/pa/pb", "");
setBase(emptyPathBase);
testResolve("s://a/p2?q2#f2", "p2?q2#f2");
testResolve("s://a/p2#f2", "p2#f2");
testResolve("s://a/p2", "p2");
setBase(b);
// otherwise
// (Cover both no authority and non-empty path and both).
var noAuthEmptyPathBase = b.replaceFirst("//a/pa/pb", "");
var noAuthAbsPathBase = b.replaceFirst("//a", "");
var noAuthRelPathBase = b.replaceFirst("//a/", "");
var noAuthRelSinglePathBase = b.replaceFirst("//a/pa/", "");
testResolve("s://a/pa/p2?q2#f2", "p2?q2#f2");
testResolve("s://a/pa/p2#f2", "p2#f2");
testResolve("s://a/pa/p2", "p2");
setBase(noAuthEmptyPathBase);
testResolve("s:p2?q2#f2", "p2?q2#f2");
testResolve("s:p2#f2", "p2#f2");
testResolve("s:p2", "p2");
setBase(noAuthAbsPathBase);
testResolve("s:/pa/p2?q2#f2", "p2?q2#f2");
testResolve("s:/pa/p2#f2", "p2#f2");
testResolve("s:/pa/p2", "p2");
setBase(noAuthRelPathBase);
testResolve("s:pa/p2?q2#f2", "p2?q2#f2");
testResolve("s:pa/p2#f2", "p2#f2");
testResolve("s:pa/p2", "p2");
setBase(noAuthRelSinglePathBase);
testResolve("s:p2?q2#f2", "p2?q2#f2");
testResolve("s:p2#f2", "p2#f2");
testResolve("s:p2", "p2");
// Then remove dot segments.
// A. if input buffer starts with "../" or "./".
// This only happens if base has only a single (may be empty) segment and
// no slash.
setBase(emptyPathBase);
testResolve("s://a/p2", "../p2");
testResolve("s://a/", "../");
testResolve("s://a/", "..");
testResolve("s://a/p2", "./p2");
testResolve("s://a/", "./");
testResolve("s://a/", ".");
testResolve("s://a/p2", "../../p2");
testResolve("s://a/p2", "../../././p2");
setBase(noAuthRelSinglePathBase);
testResolve("s:p2", "../p2");
testResolve("s:", "../");
testResolve("s:", "..");
testResolve("s:p2", "./p2");
testResolve("s:", "./");
testResolve("s:", ".");
testResolve("s:p2", "../../p2");
testResolve("s:p2", "../../././p2");
// B. if input buffer starts with "/./" or is "/.". replace with "/".
// (The URI implementation removes the "." path segments when parsing,
// so this case isn't handled by merge).
setBase(b);
testResolve("s://a/pa/p2", "./p2");
// C. if input buffer starts with "/../" or is "/..", replace with "/"
// and remove preceeding segment.
testResolve("s://a/p2", "../p2");
var longPathBase = b.replaceFirst("/pb", "/pb/pc/pd");
setBase(longPathBase);
testResolve("s://a/pa/pb/p2", "../p2");
testResolve("s://a/pa/p2", "../../p2");
testResolve("s://a/p2", "../../../p2");
testResolve("s://a/p2", "../../../../p2");
var noAuthRelLongPathBase = b.replaceFirst("//a/pa/pb", "pa/pb/pc/pd");
setBase(noAuthRelLongPathBase);
testResolve("s:pa/pb/p2", "../p2");
testResolve("s:pa/p2", "../../p2");
testResolve("s:/p2", "../../../p2");
testResolve("s:/p2", "../../../../p2");
// D. if the input buffer contains only ".." or ".", remove it.
setBase(noAuthEmptyPathBase);
testResolve("s:", "..");
testResolve("s:", ".");
setBase(noAuthRelSinglePathBase);
testResolve("s:", "..");
testResolve("s:", ".");
}
}
void testResolvePath(String expected, String path) {
Expect.equals(
expected, new Uri(path: '/').resolveUri(new Uri(path: path)).path);
Expect.equals("http://localhost$expected",
Uri.parse("http://localhost").resolveUri(new Uri(path: path)).toString());
}
const ALPHA = r"abcdefghijklmnopqrstuvwxuzABCDEFGHIJKLMNOPQRSTUVWXUZ";
const DIGIT = r"0123456789";
const PERCENT_ENCODED = "%00%ff";
const SUBDELIM = r"!$&'()*+,;=";
const SCHEMECHAR = "$ALPHA$DIGIT+-.";
const UNRESERVED = "$ALPHA$DIGIT-._~";
const REGNAMECHAR = "$UNRESERVED$SUBDELIM$PERCENT_ENCODED";
const USERINFOCHAR = "$REGNAMECHAR:";
const PCHAR_NC = "$UNRESERVED$SUBDELIM$PERCENT_ENCODED@";
const PCHAR = "$PCHAR_NC:";
const QUERYCHAR = "$PCHAR/?";
void testValidCharacters() {
// test that all valid characters are accepted.
for (var scheme in ["", "$SCHEMECHAR$SCHEMECHAR:"]) {
for (var userinfo in [
"",
"@",
"$USERINFOCHAR$USERINFOCHAR@",
"$USERINFOCHAR:$DIGIT@"
]) {
for (var host in [
"", "$REGNAMECHAR$REGNAMECHAR",
"255.255.255.256", // valid reg-name.
"[ffff::ffff:ffff]", "[ffff::255.255.255.255]"
]) {
for (var port in ["", ":", ":$DIGIT$DIGIT"]) {
var auth = "$userinfo$host$port";
if (auth.isNotEmpty) auth = "//$auth";
var paths = ["", "/", "/$PCHAR", "/$PCHAR/"]; // Absolute or empty.
if (auth.isNotEmpty) {
// Initial segment may be empty.
paths..add("//$PCHAR");
} else {
// Path may begin with non-slash.
if (scheme.isEmpty) {
// Initial segment must not contain colon.
paths
..add(PCHAR_NC)
..add("$PCHAR_NC/$PCHAR")
..add("$PCHAR_NC/$PCHAR/");
} else {
paths..add(PCHAR)..add("$PCHAR/$PCHAR")..add("$PCHAR/$PCHAR/");
}
}
for (var path in paths) {
for (var query in ["", "?", "?$QUERYCHAR"]) {
for (var fragment in ["", "#", "#$QUERYCHAR"]) {
var uri = "$scheme$auth$path$query$fragment";
// Should not throw.
var result = Uri.parse(uri);
}
}
}
}
}
}
}
}
void testInvalidUrls() {
void checkInvalid(uri) {
try {
var result = Uri.parse(uri);
Expect.fail("Invalid URI `$uri` parsed to $result\n" + dump(result));
} on FormatException {
// Success.
}
}
checkInvalid("s%41://x.x/"); // No escapes in scheme,
// and no colon before slash in path.
checkInvalid("1a://x.x/"); // Scheme must start with letter,
// and no colon before slash in path.
checkInvalid(".a://x.x/"); // Scheme must start with letter,
// and no colon before slash in path.
checkInvalid("_:"); // Character not valid in scheme,
// and no colon before slash in path.
checkInvalid(":"); // Scheme must start with letter,
// and no colon before slash in path.
void checkInvalidReplaced(uri, invalid, replacement) {
var source = uri.replaceAll('{}', invalid);
var expected = uri.replaceAll('{}', replacement);
var result = Uri.parse(source);
Expect.equals(expected, "$result", "Source: $source\n${dump(result)}");
}
// Regression test for http://dartbug.com/16081
checkInvalidReplaced(
"http://www.example.org/red%09ros{}#red)", "\u00e9", "%C3%A9");
checkInvalidReplaced("http://r{}sum\{}.example.org", "\u00E9", "%C3%A9");
// Invalid characters. The characters must be rejected, even if normalizing
// the input would cause them to be valid (normalization happens after
// validation).
var invalidCharsAndReplacements = [
"\xe7", "%C3%A7", // Arbitrary non-ASCII letter
" ", "%20", // Space, not allowed anywhere.
'"', "%22", // Quote, not allowed anywhere
"<>", "%3C%3E", // Less/greater-than, not allowed anywhere.
"\x7f", "%7F", // DEL, not allowed anywhere
"\xdf", "%C3%9F", // German lower-case scharf-S.
// Becomes ASCII when upper-cased.
"\u0130", "%C4%B0", // Latin capital dotted I,
// becomes ASCII lower-case in Turkish.
"%\uFB03", "%25%EF%AC%83", // % + Ligature ffi,
// becomes ASCII when upper-cased,
// should not be read as "%FFI".
"\u212a", "%E2%84%AA", // Kelvin sign. Becomes ASCII when lower-cased.
"%1g", "%251g", // Invalid escape.
"\u{10000}", "%F0%90%80%80", // Non-BMP character as surrogate pair.
];
for (int i = 0; i < invalidCharsAndReplacements.length; i += 2) {
var invalid = invalidCharsAndReplacements[i];
var valid = invalidCharsAndReplacements[i + 1];
checkInvalid("A{}b:///".replaceAll('{}', invalid));
checkInvalid("{}b:///".replaceAll('{}', invalid));
checkInvalidReplaced("s://user{}info@x.x/", invalid, valid);
checkInvalidReplaced("s://reg{}name/", invalid, valid);
checkInvalid("s://regname:12{}45/".replaceAll("{}", invalid));
checkInvalidReplaced("s://regname/p{}ath/", invalid, valid);
checkInvalidReplaced("/p{}ath/", invalid, valid);
checkInvalidReplaced("p{}ath/", invalid, valid);
checkInvalidReplaced("s://regname/path/?x{}x", invalid, valid);
checkInvalidReplaced("s://regname/path/#x{}x", invalid, valid);
checkInvalidReplaced("s://regname/path/??#x{}x", invalid, valid);
}
// At most one @ in userinfo.
checkInvalid("s://x@x@x.x/");
// No colon in host except before a port.
checkInvalid("s://x@x:x/");
// At most one port.
checkInvalid("s://x@x:9:9/");
// At most one #.
checkInvalid("s://x/x#foo#bar");
// @ not allowed in scheme.
checkInvalid("s@://x:9/x?x#x");
// ] not allowed alone in host.
checkInvalid("s://xx]/");
// ] not allowed anywhere except in host.
checkInvalid("s://xx/]");
checkInvalid("s://xx/?]");
checkInvalid("s://xx/#]");
checkInvalid("s:/]");
checkInvalid("s:/?]");
checkInvalid("s:/#]");
// IPv6 must be enclosed in [ and ] for Uri.parse.
// It is allowed un-enclosed as argument to `Uri(host:...)` because we don't
// need to delimit.
checkInvalid("s://ffff::ffff:1234/");
}
void testNormalization() {
// The Uri constructor and the Uri.parse function performs RFC-3986
// syntax based normalization.
var uri;
// Scheme: Only case normalization. Schemes cannot contain escapes.
uri = Uri.parse("A:");
Expect.equals("a", uri.scheme);
uri = Uri.parse("Z:");
Expect.equals("z", uri.scheme);
uri = Uri.parse("$SCHEMECHAR:");
Expect.equals(SCHEMECHAR.toLowerCase(), uri.scheme);
// Percent escape normalization.
// Escapes of unreserved characters are converted to the character,
// subject to case normalization in reg-name.
for (var i = 0; i < UNRESERVED.length; i++) {
var char = UNRESERVED[i];
var escape = "%" + char.codeUnitAt(0).toRadixString(16); // all > 0xf.
uri = Uri.parse("s://xX${escape}xX@yY${escape}yY/zZ${escape}zZ"
"?vV${escape}vV#wW${escape}wW");
Expect.equals("xX${char}xX", uri.userInfo);
Expect.equals("yY${char}yY".toLowerCase(), uri.host);
Expect.equals("/zZ${char}zZ", uri.path);
Expect.equals("vV${char}vV", uri.query);
Expect.equals("wW${char}wW", uri.fragment);
uri = Uri.parse("s://yY${escape}yY/zZ${escape}zZ"
"?vV${escape}vV#wW${escape}wW");
Expect.equals("yY${char}yY".toLowerCase(), uri.host);
Expect.equals("/zZ${char}zZ", uri.path);
Expect.equals("vV${char}vV", uri.query);
Expect.equals("wW${char}wW", uri.fragment);
}
// Escapes of reserved characters are kept, but upper-cased.
for (var escape in ["%00", "%1f", "%7F", "%fF"]) {
uri = Uri.parse("s://xX${escape}xX@yY${escape}yY/zZ${escape}zZ"
"?vV${escape}vV#wW${escape}wW");
var normalizedEscape = escape.toUpperCase();
Expect.equals("xX${normalizedEscape}xX", uri.userInfo);
Expect.equals("yy${normalizedEscape}yy", uri.host);
Expect.equals("/zZ${normalizedEscape}zZ", uri.path);
Expect.equals("vV${normalizedEscape}vV", uri.query);
Expect.equals("wW${normalizedEscape}wW", uri.fragment);
}
// Some host normalization edge cases.
uri = Uri.parse("x://x%61X%41x%41X%61x/");
Expect.equals("xaxaxaxax", uri.host);
uri = Uri.parse("x://Xxxxxxxx/");
Expect.equals("xxxxxxxx", uri.host);
uri = Uri.parse("x://xxxxxxxX/");
Expect.equals("xxxxxxxx", uri.host);
uri = Uri.parse("x://xxxxxxxx%61/");
Expect.equals("xxxxxxxxa", uri.host);
uri = Uri.parse("x://%61xxxxxxxx/");
Expect.equals("axxxxxxxx", uri.host);
uri = Uri.parse("x://X/");
Expect.equals("x", uri.host);
uri = Uri.parse("x://%61/");
Expect.equals("a", uri.host);
uri = new Uri(scheme: "x", path: "//y");
Expect.equals("//y", uri.path);
Expect.equals("x:////y", uri.toString());
uri = new Uri(scheme: "file", path: "//y");
Expect.equals("//y", uri.path);
Expect.equals("file:////y", uri.toString());
// File scheme noralizes to always showing authority, even if empty.
uri = new Uri(scheme: "file", path: "/y");
Expect.equals("file:///y", uri.toString());
uri = new Uri(scheme: "file", path: "y");
Expect.equals("file:///y", uri.toString());
// Empty host/query/fragment ensures the delimiter is there.
// Different from not being there.
Expect.equals("scheme:/", Uri.parse("scheme:/").toString());
Expect.equals("scheme:/", new Uri(scheme: "scheme", path: "/").toString());
Expect.equals("scheme:///?#", Uri.parse("scheme:///?#").toString());
Expect.equals(
"scheme:///#",
new Uri(scheme: "scheme", host: "", path: "/", query: "", fragment: "")
.toString());
}
void testReplace() {
var uris = [
Uri.parse(""),
Uri.parse("a://@:/?#"),
Uri.parse("a://:/?#"), // Parsed as simple URI.
Uri.parse("a://b@c:4/e/f?g#h"),
Uri.parse("a://c:4/e/f?g#h"), // Parsed as simple URI.
Uri.parse("$SCHEMECHAR://$REGNAMECHAR:$DIGIT/$PCHAR/$PCHAR"
"?$QUERYCHAR#$QUERYCHAR"), // Parsed as simple URI.
Uri.parse("$SCHEMECHAR://$USERINFOCHAR@$REGNAMECHAR:$DIGIT/$PCHAR/$PCHAR"
"?$QUERYCHAR#$QUERYCHAR"),
];
for (var uri1 in uris) {
for (var uri2 in uris) {
if (identical(uri1, uri2)) continue;
var scheme = uri1.scheme;
var userInfo = uri1.hasAuthority ? uri1.userInfo : "";
var host = uri1.hasAuthority ? uri1.host : null;
var port = uri1.hasAuthority ? uri1.port : 0;
var path = uri1.path;
var query = uri1.hasQuery ? uri1.query : null;
var fragment = uri1.hasFragment ? uri1.fragment : null;
var tmp1 = uri1;
void test() {
var tmp2 = new Uri(
scheme: scheme,
userInfo: userInfo,
host: host,
port: port,
path: path,
query: query == "" ? null : query,
queryParameters: query == "" ? {} : null,
fragment: fragment);
Expect.equals(tmp1, tmp2);
}
test();
scheme = uri2.scheme;
tmp1 = tmp1.replace(scheme: scheme);
test();
if (uri2.hasAuthority) {
userInfo = uri2.userInfo;
host = uri2.host;
port = uri2.port;
tmp1 = tmp1.replace(userInfo: userInfo, host: host, port: port);
test();
}
path = uri2.path;
tmp1 = tmp1.replace(path: path);
test();
if (uri2.hasQuery) {
query = uri2.query;
tmp1 = tmp1.replace(query: query);
test();
}
if (uri2.hasFragment) {
fragment = uri2.fragment;
tmp1 = tmp1.replace(fragment: fragment);
test();
}
}
}
// Regression test, http://dartbug.com/20814
var uri = Uri.parse("/no-authorty/");
uri = uri.replace(fragment: "fragment");
Expect.isFalse(uri.hasAuthority);
uri = new Uri(scheme: "foo", path: "bar");
uri = uri.replace(queryParameters: {
"x": ["42", "37"],
"y": ["43", "38"]
});
var params = uri.queryParametersAll;
Expect.equals(2, params.length);
Expect.listEquals(["42", "37"], params["x"]);
Expect.listEquals(["43", "38"], params["y"]);
// Test replacing with empty strings.
uri = Uri.parse("s://a:1/b/c?d#e");
Expect.equals("s://a:1/b/c?d#", uri.replace(fragment: "").toString());
Expect.equals("s://a:1/b/c?#e", uri.replace(query: "").toString());
Expect.equals("s://a:1?d#e", uri.replace(path: "").toString());
Expect.equals("s://:1/b/c?d#e", uri.replace(host: "").toString());
// Test uri.replace on uri with fragment
uri = Uri.parse('http://hello.com/fake#fragment');
uri = uri.replace(path: "D/E/E");
Expect.stringEquals('http://hello.com/D/E/E#fragment', uri.toString());
}
void testRegression28359() {
var uri = new Uri(path: "//");
// This is an invalid path for a URI reference with no authority
// since it looks like an authority.
// Normalized to have an authority.
Expect.equals("////", "$uri");
Expect.equals("//", uri.path);
Expect.isTrue(uri.hasAuthority, "$uri has authority");
uri = new Uri(path: "file:///wat");
// This is an invalid path for a URI reference with no authority or scheme
// since the path looks like it starts with a scheme.
// Normalized by escaping the ":".
Expect.equals("file%3A///wat", uri.path);
Expect.equals("file%3A///wat", "$uri");
Expect.isFalse(uri.hasAuthority);
Expect.isFalse(uri.hasScheme);
}
main() {
testUri("http:", true);
testUri("file:///", true);
testUri("file", false);
testUri("http://user@example.com:8080/fisk?query=89&hest=silas", true);
testUri(
"http://user@example.com:8080/fisk?query=89&hest=silas#fragment", false);
Expect.stringEquals(
"http://user@example.com/a/b/c?query#fragment",
new Uri(
scheme: "http",
userInfo: "user",
host: "example.com",
port: 80,
path: "/a/b/c",
query: "query",
fragment: "fragment")
.toString());
Expect.stringEquals(
"/a/b/c/",
new Uri(
scheme: null,
userInfo: null,
host: null,
port: 0,
path: "/a/b/c/",
query: null,
fragment: null)
.toString());
Expect.stringEquals("file:///", Uri.parse("file:").toString());
Expect.stringEquals("file:///", Uri.parse("file:/").toString());
Expect.stringEquals("file:///", Uri.parse("file:").toString());
Expect.stringEquals("file:///foo", Uri.parse("file:foo").toString());
Expect.stringEquals("file:///foo", Uri.parse("file:/foo").toString());
Expect.stringEquals("file://foo/", Uri.parse("file://foo").toString());
testResolvePath("/a/g", "/a/b/c/./../../g");
testResolvePath("/a/g", "/a/b/c/./../../g");
testResolvePath("/mid/6", "mid/content=5/../6");
testResolvePath("/a/b/e", "a/b/c/d/../../e");
testResolvePath("/a/b/e", "../a/b/c/d/../../e");
testResolvePath("/a/b/e", "./a/b/c/d/../../e");
testResolvePath("/a/b/e", "../a/b/./c/d/../../e");
testResolvePath("/a/b/e", "./a/b/./c/d/../../e");
testResolvePath("/a/b/e/", "./a/b/./c/d/../../e/.");
testResolvePath("/a/b/e/", "./a/b/./c/d/../../e/./.");
testResolvePath("/a/b/e/", "./a/b/./c/d/../../e/././.");
testUriPerRFCs();
Expect.stringEquals(
"http://example.com", Uri.parse("http://example.com/a/b/c").origin);
Expect.stringEquals(
"https://example.com", Uri.parse("https://example.com/a/b/c").origin);
Expect.stringEquals("http://example.com:1234",
Uri.parse("http://example.com:1234/a/b/c").origin);
Expect.stringEquals("https://example.com:1234",
Uri.parse("https://example.com:1234/a/b/c").origin);
Expect.throws(() => Uri.parse("http:").origin, (e) {
return e is StateError;
}, "origin for URI with empty host should fail");
Expect.throws(
() => new Uri(
scheme: "http",
userInfo: null,
host: "",
port: 80,
path: "/a/b/c",
query: "query",
fragment: "fragment")
.origin, (e) {
return e is StateError;
}, "origin for URI with empty host should fail");
Expect.throws(
() => new Uri(
scheme: null,
userInfo: null,
host: "",
port: 80,
path: "/a/b/c",
query: "query",
fragment: "fragment")
.origin, (e) {
return e is StateError;
}, "origin for URI with empty scheme should fail");
Expect.throws(
() => new Uri(
scheme: "http",
userInfo: null,
host: null,
port: 80,
path: "/a/b/c",
query: "query",
fragment: "fragment")
.origin, (e) {
return e is StateError;
}, "origin for URI with empty host should fail");
Expect.throws(() => Uri.parse("http://:80").origin, (e) {
return e is StateError;
}, "origin for URI with empty host should fail");
Expect.throws(() => Uri.parse("file://localhost/test.txt").origin, (e) {
return e is StateError;
}, "origin for non-http/https uri should fail");
// URI encode tests
// Create a string with code point 0x10000 encoded as a surrogate pair.
var s = UTF8.decode([0xf0, 0x90, 0x80, 0x80]);
Expect.stringEquals("\u{10000}", s);
testEncodeDecode("A + B", "A%20+%20B");
testEncodeDecode("\uFFFE", "%EF%BF%BE");
testEncodeDecode("\uFFFF", "%EF%BF%BF");
testEncodeDecode("\uFFFE", "%EF%BF%BE");
testEncodeDecode("\uFFFF", "%EF%BF%BF");
testEncodeDecode("\x7f", "%7F");
testEncodeDecode("\x80", "%C2%80");
testEncodeDecode("\u0800", "%E0%A0%80");
// All characters not escaped by encodeFull.
var unescapedFull = r"abcdefghijklmnopqrstuvwxyz"
r"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
r"0123456789!#$&'()*+,-./:;=?@_~";
// ASCII characters escaped by encodeFull:
var escapedFull =
"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f"
"\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f"
r' "%<>[\]^`{|}'
"\x7f";
var escapedTo = "%00%01%02%03%04%05%06%07%08%09%0A%0B%0C%0D%0E%0F"
"%10%11%12%13%14%15%16%17%18%19%1A%1B%1C%1D%1E%1F"
"%20%22%25%3C%3E%5B%5C%5D%5E%60%7B%7C%7D%7F";
testEncodeDecode(unescapedFull, unescapedFull);
testEncodeDecode(escapedFull, escapedTo);
var nonAscii =
"\x80-\xff-\u{100}-\u{7ff}-\u{800}-\u{ffff}-\u{10000}-\u{10ffff}";
var nonAsciiEncoding = "%C2%80-%C3%BF-%C4%80-%DF%BF-%E0%A0%80-%EF%BF%BF-"
"%F0%90%80%80-%F4%8F%BF%BF";
testEncodeDecode(nonAscii, nonAsciiEncoding);
testEncodeDecode(s, "%F0%90%80%80");
testEncodeDecodeComponent("A + B", "A%20%2B%20B");
testEncodeDecodeComponent("\uFFFE", "%EF%BF%BE");
testEncodeDecodeComponent("\uFFFF", "%EF%BF%BF");
testEncodeDecodeComponent("\uFFFE", "%EF%BF%BE");
testEncodeDecodeComponent("\uFFFF", "%EF%BF%BF");
testEncodeDecodeComponent("\x7f", "%7F");
testEncodeDecodeComponent("\x80", "%C2%80");
testEncodeDecodeComponent("\u0800", "%E0%A0%80");
testEncodeDecodeComponent(":/@',;?&=+\$", "%3A%2F%40'%2C%3B%3F%26%3D%2B%24");
testEncodeDecodeComponent(s, "%F0%90%80%80");
testEncodeDecodeQueryComponent("A + B", "A+%2B+B", "A+%2B+B", "A+%2B+B");
testEncodeDecodeQueryComponent(
"æ ø å", "%C3%A6+%C3%B8+%C3%A5", "%E6+%F8+%E5", null);
testEncodeDecodeComponent(nonAscii, nonAsciiEncoding);
// Invalid URI - : and @ is swapped, port ("host") should be numeric.
Expect.throws(() => Uri.parse("file://user@password:host/path"),
(e) => e is FormatException);
testValidCharacters();
testInvalidUrls();
testNormalization();
testReplace();
testRegression28359();
}
String dump(Uri uri) {
return "URI: $uri\n"
" Scheme: ${uri.scheme} #${uri.scheme.length}\n"
" User-info: ${uri.userInfo} #${uri.userInfo.length}\n"
" Host: ${uri.host} #${uri.host.length}\n"
" Port: ${uri.port}\n"
" Path: ${uri.path} #${uri.path.length}\n"
" Query: ${uri.query} #${uri.query.length}\n"
" Fragment: ${uri.fragment} #${uri.fragment.length}\n";
}