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Refactor DecoderUtilTest

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This commit is contained in:
cketti 2017-10-14 05:41:33 +02:00
parent 498df5db73
commit 5f6b1dffc6
1 changed files with 37 additions and 120 deletions
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157
k9mail-library/src/test/java/com/fsck/k9/mail/internet/DecoderUtilTest.java
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@ -12,224 +12,141 @@ import static org.junit.Assert.assertEquals;
@RunWith(K9LibRobolectricTestRunner.class)
public class DecoderUtilTest {
private String body, expect;
private MimeMessage message;
@Test
public void decodeEncodedWords_with_unencoded_data_returns_original_text() {
body = "abc";
expect = "abc";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("abc", "abc");
}
@Test
public void decodeEncodedWords_withAsciiCharset_encoded_data_returns_text() {
body = "=?us-ascii?q?abc?=";
expect = "abc";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("=?us-ascii?q?abc?=", "abc");
}
@Test
public void decodeEncodedWords_withStartOnly_encoding_format_returnAsText() {
body = "=?";
expect = "=?";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("=?", "=?");
}
@Test
public void decodeEncodedWords_withStartAndSeparatorOnly_returnAsText() {
body = "=??";
expect = "=??";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("=??", "=??");
}
@Test
public void decodeEncodedWords_withStartAnd2SeparatorOnly_returnAsText() {
body = "=???";
expect = "=???";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("=???", "=???");
}
@Test
public void decodeEncodedWords_withStartAnd3SeparatorOnly_returnAsText() {
body = "=????";
expect = "=????";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("=????", "=????");
}
@Test
public void decodeEncodedWords_withSeparatorsOnly_returnAsText() {
body = "=????=";
expect = "=????=";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("=????=", "=????=");
}
@Test
public void decodeEncodedWords_withMissingCharset_returnAsText() {
body = "=??q??=";
expect = "=??q??=";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("=??q??=", "=??q??=");
}
@Test
public void decodeEncodedWords_withTextAndMissingCharset_returnAsText() {
body = "=??q?a?=";
expect = "a";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("=??q?a?=", "a");
}
@Test
public void decodeEncodedWords_withNoTextCharsetOrEncoding_returnAsText() {
body = "=??=";
expect = "=??=";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("=??=", "=??=");
}
@Test
public void decodeEncodedWords_with_MissingEncodingAndData_returnAsText() {
body = "=?x?=";
expect = "=?x?=";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("=?x?=", "=?x?=");
}
@Test
public void decodeEncodedWords_withMissingEncoding_returnAsText() {
body = "=?x??=";
expect = "=?x??=";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("=?x??=", "=?x??=");
}
@Test
public void decodeEncodedWords_with_incompleteEncodingFormat_returnAsText() {
body = "=?x?q?=";
expect = "=?x?q?=";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("=?x?q?=", "=?x?q?=");
}
@Test
public void decodeEncodedWords_with_unrecognisedEncoding_withEmptyEncodedData_returnAsText() {
body = "=?x?q??=";
expect = "=?x?q??=";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("=?x?q??=", "=?x?q??=");
}
@Test
public void decodeEncodedWords_withUnrecognisedEncoding_withEncodedData_return_encoded_data() {
body = "=?x?q?X?=";
expect = "X";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("=?x?q?X?=", "X");
}
@Test
public void decodeEncodedWords_withInvalidBase64String_returnsEmptyString() {
body = "=?us-ascii?b?abc?=";
expect = "";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("=?us-ascii?b?abc?=", "");
}
@Test
public void decodeEncodedWords_withPartiallyEncoded_returnsBothSections() {
body = "=?us-ascii?q?abc?= =?";
expect = "abc =?";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("=?us-ascii?q?abc?= =?", "abc =?");
}
@Test
public void decodeEncodedWords_withPartiallyEncodedAfter_returnsBothSections() {
body = "def=?us-ascii?q?abc?=";
expect = "defabc";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("def=?us-ascii?q?abc?=", "defabc");
}
@Test
public void decodeEncodedWords_withUnrecognisedCharset_returnsEncodedData() {
body = "=?x?= =?";
expect = "=?x?= =?";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("=?x?= =?", "=?x?= =?");
}
@Test
public void decodeEncodedWords_withMultipleEncodedSections_decodesBoth() {
body = "=?us-ascii?q?abc?= =?us-ascii?q?def?=";
expect = "abcdef";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("=?us-ascii?q?abc?= =?us-ascii?q?def?=", "abcdef");
}
@Test
public void decodeEncodedWords_withMultipleEncodedSections_decodesSequentialSectionTogether() {
//Splitting mid-character is RFC2047 non-compliant but seen in practice.
body = "=?utf-8?B?5Liq5Lq66YKu566xOkJVRyAjMzAyNDY6OumCruS7tuato+aWh+mZhOS7tuWQ?=\n" +
String input = "=?utf-8?B?5Liq5Lq66YKu566xOkJVRyAjMzAyNDY6OumCruS7tuato+aWh+mZhOS7tuWQ?=\n" +
"=?utf-8?B?jeensOecgeeVpeaYvuekuuS8mOWMlg==?=";
expect = "个人邮箱:BUG #30246::邮件正文附件名称省略显示优化";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected(input, "个人邮箱:BUG #30246::邮件正文附件名称省略显示优化");
}
@Test
public void decodeEncodedWords_withGB2312_decodes_correctly() {
body = "=?gb2312?B?Obv9t9az6cnu29rHsLqju6rHyLPHSlfN8rrAvsa16qOsuPzT0DIwvNIzOTnU?= " +
String input = "=?gb2312?B?Obv9t9az6cnu29rHsLqju6rHyLPHSlfN8rrAvsa16qOsuPzT0DIwvNIzOTnU?= " +
"=?gb2312?B?qr6r0aG439DHytTLr77Gteq1yMTjwLSjoaOoQUSjqQ?=";
expect = "9积分抽深圳前海华侨城JW万豪酒店，更有20家399元精选高星试睡酒店等你来！（AD<EFBFBD>";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected(input, "9积分抽深圳前海华侨城JW万豪酒店，更有20家399元精选高星试睡酒店等你来！（AD<EFBFBD>");
}
@Test
public void decodeEncodedWords_withRFC2047examples_decodesCorrectly() {
body = "(=?ISO-8859-1?Q?a?=)";
expect = "(a)";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("(=?ISO-8859-1?Q?a?=)", "(a)");
body = "(=?ISO-8859-1?Q?a?= b)";
expect = "(a b)";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("(=?ISO-8859-1?Q?a?= b)", "(a b)");
body = "(=?ISO-8859-1?Q?a?= =?ISO-8859-1?Q?b?=)";
expect = "(ab)";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("(=?ISO-8859-1?Q?a?= =?ISO-8859-1?Q?b?=)", "(ab)");
body = "(=?ISO-8859-1?Q?a?= =?ISO-8859-1?Q?b?=)";
expect = "(ab)";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("(=?ISO-8859-1?Q?a?= =?ISO-8859-1?Q?b?=)", "(ab)");
body = "(=?ISO-8859-1?Q?a?= \n =?ISO-8859-1?Q?b?=)";
expect = "(ab)";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("(=?ISO-8859-1?Q?a?= \n =?ISO-8859-1?Q?b?=)", "(ab)");
body = "(=?ISO-8859-1?Q?a_b?=)";
expect = "(a b)";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("(=?ISO-8859-1?Q?a_b?=)", "(a b)");
body = "(=?ISO-8859-1?Q?a?= =?ISO-8859-2?Q?_b?=)";
expect = "(a b)";
message = null;
assertEquals(expect, DecoderUtil.decodeEncodedWords(body, message));
assertInputDecodesToExpected("(=?ISO-8859-1?Q?a?= =?ISO-8859-2?Q?_b?=)", "(a b)");
}
private void assertInputDecodesToExpected(String input, String expected) {
String decodedText = DecoderUtil.decodeEncodedWords(input, null);
assertEquals(expected, decodedText);
}
}