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author | temporal <temporal@630680e5-0e50-0410-840e-4b1c322b438d> | 2008-07-10 02:12:20 +0000 |
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committer | temporal <temporal@630680e5-0e50-0410-840e-4b1c322b438d> | 2008-07-10 02:12:20 +0000 |
commit | 40ee551715c3a784ea6132dbf604b0e665ca2def (patch) | |
tree | 6e3ea9674be5b0f59106f88f3afa1313854beebf /java/src/test/java/com/google/protobuf/TextFormatTest.java | |
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Initial checkin.
Diffstat (limited to 'java/src/test/java/com/google/protobuf/TextFormatTest.java')
-rw-r--r-- | java/src/test/java/com/google/protobuf/TextFormatTest.java | 534 |
1 files changed, 534 insertions, 0 deletions
diff --git a/java/src/test/java/com/google/protobuf/TextFormatTest.java b/java/src/test/java/com/google/protobuf/TextFormatTest.java new file mode 100644 index 00000000..2c485c55 --- /dev/null +++ b/java/src/test/java/com/google/protobuf/TextFormatTest.java @@ -0,0 +1,534 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. +// http://code.google.com/p/protobuf/ +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package com.google.protobuf; + +import protobuf_unittest.UnittestProto.TestAllTypes; +import protobuf_unittest.UnittestProto.TestAllExtensions; +import protobuf_unittest.UnittestProto.TestEmptyMessage; +import protobuf_unittest.UnittestMset.TestMessageSet; +import protobuf_unittest.UnittestMset.TestMessageSetExtension1; +import protobuf_unittest.UnittestMset.TestMessageSetExtension2; + +import junit.framework.TestCase; + +import java.io.StringReader; + +/** + * Test case for {@link TextFormat}. + * + * TODO(wenboz): ExtensionTest and rest of text_format_unittest.cc. + * + * @author wenboz@google.com (Wenbo Zhu) + */ +public class TextFormatTest extends TestCase { + + // A basic string with different escapable characters for testing. + private final static String kEscapeTestString = + "\"A string with ' characters \n and \r newlines and \t tabs and \001 " + + "slashes \\"; + + // A representation of the above string with all the characters escaped. + private final static String kEscapeTestStringEscaped = + "\"\\\"A string with \\' characters \\n and \\r newlines " + + "and \\t tabs and \\001 slashes \\\\\""; + + private static String allFieldsSetText = TestUtil.readTextFromFile( + "text_format_unittest_data.txt"); + private static String allExtensionsSetText = TestUtil.readTextFromFile( + "text_format_unittest_extensions_data.txt"); + + private String exoticText = + "repeated_int32: -1\n" + + "repeated_int32: -2147483648\n" + + "repeated_int64: -1\n" + + "repeated_int64: -9223372036854775808\n" + + "repeated_uint32: 4294967295\n" + + "repeated_uint32: 2147483648\n" + + "repeated_uint64: 18446744073709551615\n" + + "repeated_uint64: 9223372036854775808\n" + + "repeated_double: 123.0\n" + + "repeated_double: 123.5\n" + + "repeated_double: 0.125\n" + + "repeated_double: 1.23E17\n" + + "repeated_double: 1.235E22\n" + + "repeated_double: 1.235E-18\n" + + "repeated_double: 123.456789\n" + + "repeated_double: Infinity\n" + + "repeated_double: -Infinity\n" + + "repeated_double: NaN\n" + + "repeated_string: \"\\000\\001\\a\\b\\f\\n\\r\\t\\v\\\\\\'\\\"" + + "\\341\\210\\264\"\n" + + "repeated_bytes: \"\\000\\001\\a\\b\\f\\n\\r\\t\\v\\\\\\'\\\"\\376\"\n"; + + private String messageSetText = + "[protobuf_unittest.TestMessageSetExtension1] {\n" + + " i: 123\n" + + "}\n" + + "[protobuf_unittest.TestMessageSetExtension2] {\n" + + " str: \"foo\"\n" + + "}\n"; + + /** Print TestAllTypes and compare with golden file. */ + public void testPrintMessage() throws Exception { + String javaText = TextFormat.printToString(TestUtil.getAllSet()); + + // Java likes to add a trailing ".0" to floats and doubles. C printf + // (with %g format) does not. Our golden files are used for both + // C++ and Java TextFormat classes, so we need to conform. + javaText = javaText.replace(".0\n", "\n"); + + assertEquals(allFieldsSetText, javaText); + } + + /** Print TestAllExtensions and compare with golden file. */ + public void testPrintExtensions() throws Exception { + String javaText = TextFormat.printToString(TestUtil.getAllExtensionsSet()); + + // Java likes to add a trailing ".0" to floats and doubles. C printf + // (with %g format) does not. Our golden files are used for both + // C++ and Java TextFormat classes, so we need to conform. + javaText = javaText.replace(".0\n", "\n"); + + assertEquals(allExtensionsSetText, javaText); + } + + public void testPrintUnknownFields() throws Exception { + // Test printing of unknown fields in a message. + + TestEmptyMessage message = + TestEmptyMessage.newBuilder() + .setUnknownFields( + UnknownFieldSet.newBuilder() + .addField(5, + UnknownFieldSet.Field.newBuilder() + .addVarint(1) + .addFixed32(2) + .addFixed64(3) + .addLengthDelimited(ByteString.copyFromUtf8("4")) + .addGroup( + UnknownFieldSet.newBuilder() + .addField(10, + UnknownFieldSet.Field.newBuilder() + .addVarint(5) + .build()) + .build()) + .build()) + .addField(8, + UnknownFieldSet.Field.newBuilder() + .addVarint(1) + .addVarint(2) + .addVarint(3) + .build()) + .addField(15, + UnknownFieldSet.Field.newBuilder() + .addVarint(0xABCDEF1234567890L) + .addFixed32(0xABCD1234) + .addFixed64(0xABCDEF1234567890L) + .build()) + .build()) + .build(); + + assertEquals( + "5: 1\n" + + "5: 0x00000002\n" + + "5: 0x0000000000000003\n" + + "5: \"4\"\n" + + "5 {\n" + + " 10: 5\n" + + "}\n" + + "8: 1\n" + + "8: 2\n" + + "8: 3\n" + + "15: 12379813812177893520\n" + + "15: 0xabcd1234\n" + + "15: 0xabcdef1234567890\n", + TextFormat.printToString(message)); + } + + /** + * Helper to construct a ByteString from a String containing only 8-bit + * characters. The characters are converted directly to bytes, *not* + * encoded using UTF-8. + */ + private ByteString bytes(String str) throws Exception { + return ByteString.copyFrom(str.getBytes("ISO-8859-1")); + } + + /** + * Helper to construct a ByteString from a bunch of bytes. The inputs are + * actually ints so that I can use hex notation and not get stupid errors + * about precision. + */ + private ByteString bytes(int... bytesAsInts) { + byte[] bytes = new byte[bytesAsInts.length]; + for (int i = 0; i < bytesAsInts.length; i++) { + bytes[i] = (byte) bytesAsInts[i]; + } + return ByteString.copyFrom(bytes); + } + + public void testPrintExotic() throws Exception { + Message message = TestAllTypes.newBuilder() + // Signed vs. unsigned numbers. + .addRepeatedInt32 (-1) + .addRepeatedUint32(-1) + .addRepeatedInt64 (-1) + .addRepeatedUint64(-1) + + .addRepeatedInt32 (1 << 31) + .addRepeatedUint32(1 << 31) + .addRepeatedInt64 (1l << 63) + .addRepeatedUint64(1l << 63) + + // Floats of various precisions and exponents. + .addRepeatedDouble(123) + .addRepeatedDouble(123.5) + .addRepeatedDouble(0.125) + .addRepeatedDouble(123e15) + .addRepeatedDouble(123.5e20) + .addRepeatedDouble(123.5e-20) + .addRepeatedDouble(123.456789) + .addRepeatedDouble(Double.POSITIVE_INFINITY) + .addRepeatedDouble(Double.NEGATIVE_INFINITY) + .addRepeatedDouble(Double.NaN) + + // Strings and bytes that needing escaping. + .addRepeatedString("\0\001\007\b\f\n\r\t\013\\\'\"\u1234") + .addRepeatedBytes(bytes("\0\001\007\b\f\n\r\t\013\\\'\"\u00fe")) + .build(); + + assertEquals(exoticText, message.toString()); + } + + public void testPrintMessageSet() throws Exception { + TestMessageSet messageSet = + TestMessageSet.newBuilder() + .setExtension( + TestMessageSetExtension1.messageSetExtension, + TestMessageSetExtension1.newBuilder().setI(123).build()) + .setExtension( + TestMessageSetExtension2.messageSetExtension, + TestMessageSetExtension2.newBuilder().setStr("foo").build()) + .build(); + + assertEquals(messageSetText, messageSet.toString()); + } + + // ================================================================= + + public void testParse() throws Exception { + TestAllTypes.Builder builder = TestAllTypes.newBuilder(); + TextFormat.merge(allFieldsSetText, builder); + TestUtil.assertAllFieldsSet(builder.build()); + } + + public void testParseReader() throws Exception { + TestAllTypes.Builder builder = TestAllTypes.newBuilder(); + TextFormat.merge(new StringReader(allFieldsSetText), builder); + TestUtil.assertAllFieldsSet(builder.build()); + } + + public void testParseExtensions() throws Exception { + TestAllExtensions.Builder builder = TestAllExtensions.newBuilder(); + TextFormat.merge(allExtensionsSetText, + TestUtil.getExtensionRegistry(), + builder); + TestUtil.assertAllExtensionsSet(builder.build()); + } + + public void testParseExotic() throws Exception { + TestAllTypes.Builder builder = TestAllTypes.newBuilder(); + TextFormat.merge(exoticText, builder); + + // Too lazy to check things individually. Don't try to debug this + // if testPrintExotic() is failing. + assertEquals(exoticText, builder.build().toString()); + } + + public void testParseMessageSet() throws Exception { + ExtensionRegistry extensionRegistry = ExtensionRegistry.newInstance(); + extensionRegistry.add(TestMessageSetExtension1.messageSetExtension); + extensionRegistry.add(TestMessageSetExtension2.messageSetExtension); + + TestMessageSet.Builder builder = TestMessageSet.newBuilder(); + TextFormat.merge(messageSetText, extensionRegistry, builder); + TestMessageSet messageSet = builder.build(); + + assertTrue(messageSet.hasExtension( + TestMessageSetExtension1.messageSetExtension)); + assertEquals(123, messageSet.getExtension( + TestMessageSetExtension1.messageSetExtension).getI()); + assertTrue(messageSet.hasExtension( + TestMessageSetExtension2.messageSetExtension)); + assertEquals("foo", messageSet.getExtension( + TestMessageSetExtension2.messageSetExtension).getStr()); + } + + public void testParseNumericEnum() throws Exception { + TestAllTypes.Builder builder = TestAllTypes.newBuilder(); + TextFormat.merge("optional_nested_enum: 2", builder); + assertEquals(TestAllTypes.NestedEnum.BAR, builder.getOptionalNestedEnum()); + } + + public void testParseAngleBrackets() throws Exception { + TestAllTypes.Builder builder = TestAllTypes.newBuilder(); + TextFormat.merge("OptionalGroup: < a: 1 >", builder); + assertTrue(builder.hasOptionalGroup()); + assertEquals(1, builder.getOptionalGroup().getA()); + } + + private void assertParseError(String error, String text) { + TestAllTypes.Builder builder = TestAllTypes.newBuilder(); + try { + TextFormat.merge(text, TestUtil.getExtensionRegistry(), builder); + fail("Expected parse exception."); + } catch (TextFormat.ParseException e) { + assertEquals(error, e.getMessage()); + } + } + + public void testParseErrors() throws Exception { + assertParseError( + "1:16: Expected \":\".", + "optional_int32 123"); + assertParseError( + "1:23: Expected identifier.", + "optional_nested_enum: ?"); + assertParseError( + "1:18: Couldn't parse integer: Number must be positive: -1", + "optional_uint32: -1"); + assertParseError( + "1:17: Couldn't parse integer: Number out of range for 32-bit signed " + + "integer: 82301481290849012385230157", + "optional_int32: 82301481290849012385230157"); + assertParseError( + "1:16: Expected \"true\" or \"false\".", + "optional_bool: maybe"); + assertParseError( + "1:18: Expected string.", + "optional_string: 123"); + assertParseError( + "1:18: String missing ending quote.", + "optional_string: \"ueoauaoe"); + assertParseError( + "1:18: String missing ending quote.", + "optional_string: \"ueoauaoe\n" + + "optional_int32: 123"); + assertParseError( + "1:18: Invalid escape sequence: '\\z'", + "optional_string: \"\\z\""); + assertParseError( + "1:18: String missing ending quote.", + "optional_string: \"ueoauaoe\n" + + "optional_int32: 123"); + assertParseError( + "1:2: Extension \"nosuchext\" not found in the ExtensionRegistry.", + "[nosuchext]: 123"); + assertParseError( + "1:20: Extension \"protobuf_unittest.optional_int32_extension\" does " + + "not extend message type \"protobuf_unittest.TestAllTypes\".", + "[protobuf_unittest.optional_int32_extension]: 123"); + assertParseError( + "1:1: Message type \"protobuf_unittest.TestAllTypes\" has no field " + + "named \"nosuchfield\".", + "nosuchfield: 123"); + assertParseError( + "1:21: Expected \">\".", + "OptionalGroup < a: 1"); + assertParseError( + "1:23: Enum type \"protobuf_unittest.TestAllTypes.NestedEnum\" has no " + + "value named \"NO_SUCH_VALUE\".", + "optional_nested_enum: NO_SUCH_VALUE"); + assertParseError( + "1:23: Enum type \"protobuf_unittest.TestAllTypes.NestedEnum\" has no " + + "value with number 123.", + "optional_nested_enum: 123"); + + // Delimiters must match. + assertParseError( + "1:22: Expected identifier.", + "OptionalGroup < a: 1 }"); + assertParseError( + "1:22: Expected identifier.", + "OptionalGroup { a: 1 >"); + } + + // ================================================================= + + public void testEscape() throws Exception { + // Escape sequences. + assertEquals("\\000\\001\\a\\b\\f\\n\\r\\t\\v\\\\\\'\\\"", + TextFormat.escapeBytes(bytes("\0\001\007\b\f\n\r\t\013\\\'\""))); + assertEquals("\\000\\001\\a\\b\\f\\n\\r\\t\\v\\\\\\'\\\"", + TextFormat.escapeText("\0\001\007\b\f\n\r\t\013\\\'\"")); + assertEquals(bytes("\0\001\007\b\f\n\r\t\013\\\'\""), + TextFormat.unescapeBytes("\\000\\001\\a\\b\\f\\n\\r\\t\\v\\\\\\'\\\"")); + assertEquals("\0\001\007\b\f\n\r\t\013\\\'\"", + TextFormat.unescapeText("\\000\\001\\a\\b\\f\\n\\r\\t\\v\\\\\\'\\\"")); + + // Unicode handling. + assertEquals("\\341\\210\\264", TextFormat.escapeText("\u1234")); + assertEquals("\\341\\210\\264", + TextFormat.escapeBytes(bytes(0xe1, 0x88, 0xb4))); + assertEquals("\u1234", TextFormat.unescapeText("\\341\\210\\264")); + assertEquals(bytes(0xe1, 0x88, 0xb4), + TextFormat.unescapeBytes("\\341\\210\\264")); + assertEquals("\u1234", TextFormat.unescapeText("\\xe1\\x88\\xb4")); + assertEquals(bytes(0xe1, 0x88, 0xb4), + TextFormat.unescapeBytes("\\xe1\\x88\\xb4")); + + // Errors. + try { + TextFormat.unescapeText("\\x"); + fail("Should have thrown an exception."); + } catch (TextFormat.InvalidEscapeSequence e) { + // success + } + + try { + TextFormat.unescapeText("\\z"); + fail("Should have thrown an exception."); + } catch (TextFormat.InvalidEscapeSequence e) { + // success + } + + try { + TextFormat.unescapeText("\\"); + fail("Should have thrown an exception."); + } catch (TextFormat.InvalidEscapeSequence e) { + // success + } + } + + public void testParseInteger() throws Exception { + assertEquals( 0, TextFormat.parseInt32( "0")); + assertEquals( 1, TextFormat.parseInt32( "1")); + assertEquals( -1, TextFormat.parseInt32( "-1")); + assertEquals( 12345, TextFormat.parseInt32( "12345")); + assertEquals( -12345, TextFormat.parseInt32( "-12345")); + assertEquals( 2147483647, TextFormat.parseInt32( "2147483647")); + assertEquals(-2147483648, TextFormat.parseInt32("-2147483648")); + + assertEquals( 0, TextFormat.parseUInt32( "0")); + assertEquals( 1, TextFormat.parseUInt32( "1")); + assertEquals( 12345, TextFormat.parseUInt32( "12345")); + assertEquals( 2147483647, TextFormat.parseUInt32("2147483647")); + assertEquals((int) 2147483648L, TextFormat.parseUInt32("2147483648")); + assertEquals((int) 4294967295L, TextFormat.parseUInt32("4294967295")); + + assertEquals( 0L, TextFormat.parseInt64( "0")); + assertEquals( 1L, TextFormat.parseInt64( "1")); + assertEquals( -1L, TextFormat.parseInt64( "-1")); + assertEquals( 12345L, TextFormat.parseInt64( "12345")); + assertEquals( -12345L, TextFormat.parseInt64( "-12345")); + assertEquals( 2147483647L, TextFormat.parseInt64( "2147483647")); + assertEquals(-2147483648L, TextFormat.parseInt64("-2147483648")); + assertEquals( 4294967295L, TextFormat.parseInt64( "4294967295")); + assertEquals( 4294967296L, TextFormat.parseInt64( "4294967296")); + assertEquals(9223372036854775807L, + TextFormat.parseInt64("9223372036854775807")); + assertEquals(-9223372036854775808L, + TextFormat.parseInt64("-9223372036854775808")); + + assertEquals( 0L, TextFormat.parseUInt64( "0")); + assertEquals( 1L, TextFormat.parseUInt64( "1")); + assertEquals( 12345L, TextFormat.parseUInt64( "12345")); + assertEquals( 2147483647L, TextFormat.parseUInt64( "2147483647")); + assertEquals( 4294967295L, TextFormat.parseUInt64( "4294967295")); + assertEquals( 4294967296L, TextFormat.parseUInt64( "4294967296")); + assertEquals(9223372036854775807L, + TextFormat.parseUInt64("9223372036854775807")); + assertEquals(-9223372036854775808L, + TextFormat.parseUInt64("9223372036854775808")); + assertEquals(-1L, TextFormat.parseUInt64("18446744073709551615")); + + // Hex + assertEquals(0x1234abcd, TextFormat.parseInt32("0x1234abcd")); + assertEquals(-0x1234abcd, TextFormat.parseInt32("-0x1234abcd")); + assertEquals(-1, TextFormat.parseUInt64("0xffffffffffffffff")); + assertEquals(0x7fffffffffffffffL, + TextFormat.parseInt64("0x7fffffffffffffff")); + + // Octal + assertEquals(01234567, TextFormat.parseInt32("01234567")); + + // Out-of-range + try { + TextFormat.parseInt32("2147483648"); + fail("Should have thrown an exception."); + } catch (NumberFormatException e) { + // success + } + + try { + TextFormat.parseInt32("-2147483649"); + fail("Should have thrown an exception."); + } catch (NumberFormatException e) { + // success + } + + try { + TextFormat.parseUInt32("4294967296"); + fail("Should have thrown an exception."); + } catch (NumberFormatException e) { + // success + } + + try { + TextFormat.parseUInt32("-1"); + fail("Should have thrown an exception."); + } catch (NumberFormatException e) { + // success + } + + try { + TextFormat.parseInt64("9223372036854775808"); + fail("Should have thrown an exception."); + } catch (NumberFormatException e) { + // success + } + + try { + TextFormat.parseInt64("-9223372036854775809"); + fail("Should have thrown an exception."); + } catch (NumberFormatException e) { + // success + } + + try { + TextFormat.parseUInt64("18446744073709551616"); + fail("Should have thrown an exception."); + } catch (NumberFormatException e) { + // success + } + + try { + TextFormat.parseUInt64("-1"); + fail("Should have thrown an exception."); + } catch (NumberFormatException e) { + // success + } + + // Not a number. + try { + TextFormat.parseInt32("abcd"); + fail("Should have thrown an exception."); + } catch (NumberFormatException e) { + // success + } + } +} |