1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.common;
18
19import android.test.suitebuilder.annotation.SmallTest;
20
21import junit.framework.TestCase;
22
23import java.util.HashMap;
24import java.util.Map;
25
26public class Rfc822ValidatorTest extends TestCase {
27    static final String[] VALID_EMAILS = new String[] {
28            "a@example.org", "b@exemple.fr", "c@d.e-f",
29            "Very.Common@example.org",
30            "john@EXAMPLE.ORG",
31            "john@a123b.c-d.dept.example.com",
32            "xn--r8jz45g@example.com",
33            "disposable.style.email.with+symbol@example.com",
34            "other.email-with-dash@example.com",
35            "!#$%&'*+-/=?^_`{}|~@example.com",  // Use of allowed special characters.
36            "a@domain-label-cannot-be-longer-than-63-chars-and-this-is-maximum.example.com",
37            // Valid de facto, even if RFC doesn't allow it.
38            "a..b@example.com", ".a@example.com", "b.@example.com",
39            // Punycode is an ASCII representation of International domain names.
40            "john.doe@xn--r8jz45g.xn--zckzah",
41            "john.doe@XN--R8JZ45G.XN--ZXKZAH",
42            "xn--r8jz45g@xn--r8jz45g.XN--ZXKZAH",
43            // Quoted address.
44            // TODO(regisd) Fix Rfc822Tokenizer which loses the quotes.
45            // "\"much.more unusual\"",
46            // "\"very.unusual.@.unusual.com\""
47
48            // Valid only in new Internalized email address.
49             "a@\u00E9.example.com",
50            //"みんな@例え.テスト",
51            "\u307F\u3093\u306A@\u4F8B\u3048.\u30C6\u30B9\u30C8",
52            // "test@test.テスト", // Unicode in TLD only.
53            "everybody@example.\u30C6\u30B9\u30C8",
54            // "test@例え.test", // Unicode in domain only.
55            "everybody@\u4F8B\u3048.test",
56            // "みんな@example.com" // Unicode in localpart only.
57            "\u307F\u3093\u306A@example.test"
58    };
59
60    static final String[] INVALID_EMAILS = new String[] {
61            "a", "example.com", "john.example.com", // Missing at sign.
62            "a b", "a space@example.com", // Space not allowed.
63            // Invalid domain.
64            "john@example..com", "a@b", "a@-b.com", "a@b-.com", "a@b.c",
65            "a@a123456789-123456789-123456789-123456789-123456789-123456789-bcd.example.com",
66            // Invalid characters in domain as per RFC 1034 and RFC 1035,
67            // even if these characters are in RFC5322's domain production.
68            "a@d_e.fg", "a@d!e.fg", "a@d#e.fg", "a@d$e.fg", "a@d%e.fg", "a@d&e.fg", "a@d'e.fg",
69            "a@d*e.fg", "a@d+e.fg", "a@d/e.fg", "a@d=e.fg", "a@d?e.fg", "a@d^e.fg", "a@d{}e.fg",
70            "a@d|e.fg", "a@d~e.fg",
71            // The domain is too long
72            "no@domain-label-cannot-be-longer-than-63-chars-but-this-is-64-chars.com",
73            "john@doe@example.com", // @ must be unique.
74            // Incorrect double quote.
75            // TODO(regisd): Fix Rfc822tokenizer which strips the quotes
76            // "just\"not\"right@example.com", "\"just.not\\\"@example.com",
77            "this\\ still\\\"not\\\\allowed@example.com"
78    };
79
80    @SmallTest
81    public void testEmailValidator() {
82        Rfc822Validator validator = new Rfc822Validator("gmail.com");
83
84        for (String email : VALID_EMAILS) {
85            assertTrue(email + " should be a valid email address", validator.isValid(email));
86        }
87
88        for (String email : INVALID_EMAILS) {
89            assertFalse(email + " should not be a valid email address", validator.isValid(email));
90        }
91
92        Map<String, String> fixes = new HashMap<String, String>();
93        fixes.put("a", "<a@gmail.com>");
94        fixes.put("a b", "<ab@gmail.com>");
95        fixes.put("a@b", "<a@b>");
96        fixes.put("()~><@not.work", "");
97
98        for (Map.Entry<String, String> e : fixes.entrySet()) {
99            assertEquals(e.getValue(), validator.fixText(e.getKey()).toString());
100        }
101    }
102
103    @SmallTest
104    public void testEmailValidatorNullDomain() {
105        Rfc822Validator validator = new Rfc822Validator(null);
106
107        Map<String, String> fixes = new HashMap<String, String>();
108        fixes.put("a", "<a>");
109        fixes.put("a b", "<a b>");
110        fixes.put("a@b", "<a@b>");
111        fixes.put("a@b.com", "<a@b.com>"); // this one is correct
112
113        for (Map.Entry<String, String> e : fixes.entrySet()) {
114            assertEquals(e.getValue(), validator.fixText(e.getKey()).toString());
115        }
116    }
117
118    @SmallTest
119    public void testEmailValidatorRemoveInvalid() {
120        Rfc822Validator validator = new Rfc822Validator("google.com");
121        validator.setRemoveInvalid(true);
122
123        Map<String, String> fixes = new HashMap<String, String>();
124        fixes.put("a", "");
125        fixes.put("a b", "");
126        fixes.put("a@b", "");
127        fixes.put("a@b.com", "<a@b.com>"); // this one is correct
128
129        for (Map.Entry<String, String> e : fixes.entrySet()) {
130            assertEquals(e.getValue(), validator.fixText(e.getKey()).toString());
131        }
132    }
133}
134