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NewPipeExtractor
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Code Issues Releases Wiki Activity

Remove unused method in TimeAgoParser

This commit is contained in:
Isira Seneviratne 2024-08-19 11:38:07 +05:30
parent 6e3a4a6d9d
commit c06b8731f1
3 changed files with 138 additions and 223 deletions
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57
extractor/src/main/java/org/schabi/newpipe/extractor/localization/TimeAgoParser.java
View File

@ -7,21 +7,14 @@ import org.schabi.newpipe.extractor.utils.Parser;
import java.time.OffsetDateTime;
import java.time.ZoneOffset;
import java.time.temporal.ChronoUnit;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.regex.Pattern;
import java.util.regex.Matcher;
import java.util.regex.MatchResult;
/**
* A helper class that is meant to be used by services that need to parse durations such as
* {@code 23 seconds} and/or upload dates in the format {@code 2 days ago} or similar.
*/
public class TimeAgoParser {
private static final Pattern DURATION_PATTERN = Pattern.compile("(?:(\\d+) )?([A-z]+)");
private final PatternsHolder patternsHolder;
private final OffsetDateTime now;
@ -50,13 +43,11 @@ public class TimeAgoParser {
* @throws ParsingException if the time unit could not be recognized
*/
public DateWrapper parse(final String textualDate) throws ParsingException {
for (final Map.Entry<ChronoUnit, Map<String, Integer>> caseUnitEntry
: patternsHolder.specialCases().entrySet()) {
for (final var caseUnitEntry : patternsHolder.specialCases().entrySet()) {
final ChronoUnit chronoUnit = caseUnitEntry.getKey();
for (final Map.Entry<String, Integer> caseMapToAmountEntry
: caseUnitEntry.getValue().entrySet()) {
for (final var caseMapToAmountEntry : caseUnitEntry.getValue().entrySet()) {
final String caseText = caseMapToAmountEntry.getKey();
final Integer caseAmount = caseMapToAmountEntry.getValue();
final int caseAmount = caseMapToAmountEntry.getValue();
if (textualDateMatches(textualDate, caseText)) {
return getResultFor(caseAmount, chronoUnit);
@ -67,48 +58,6 @@ public class TimeAgoParser {
return getResultFor(parseTimeAgoAmount(textualDate), parseChronoUnit(textualDate));
}
/**
* Parses a textual duration into a duration computer number.
*
* @param textualDuration the textual duration to parse
* @return the textual duration parsed, as a primitive {@code long}
* @throws ParsingException if the textual duration could not be parsed
*/
public long parseDuration(final String textualDuration) throws ParsingException {
// We can't use Matcher.results, as it is only available on Android 14 and above
final Matcher matcher = DURATION_PATTERN.matcher(textualDuration);
final List<MatchResult> results = new ArrayList<>();
while (matcher.find()) {
results.add(matcher.toMatchResult());
}
return results.stream()
.map(match -> {
final String digits = match.group(1);
final String word = match.group(2);
int amount;
try {
amount = Integer.parseInt(digits);
} catch (final NumberFormatException ignored) {
amount = 1;
}
final ChronoUnit unit;
try {
unit = parseChronoUnit(word);
} catch (final ParsingException ignored) {
return 0L;
}
return amount * unit.getDuration().getSeconds();
})
.filter(n -> n > 0)
.reduce(Long::sum)
.orElseThrow(() -> new ParsingException(
"Could not parse duration \"" + textualDuration + "\""));
}
private int parseTimeAgoAmount(final String textualDate) {
try {
return Integer.parseInt(textualDate.replaceAll("\\D+", ""));

150
extractor/src/test/java/org/schabi/newpipe/extractor/localization/TimeAgoParserTest.java
View File

@ -1,31 +1,151 @@
package org.schabi.newpipe.extractor.localization;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import org.schabi.newpipe.extractor.exceptions.ParsingException;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
import java.time.OffsetDateTime;
import java.time.ZoneOffset;
import java.time.temporal.ChronoUnit;
class TimeAgoParserTest {
private static TimeAgoParser timeAgoParser;
public class TimeAgoParserTest {
private static TimeAgoParser parser;
private static OffsetDateTime now;
@BeforeAll
static void setUp() {
timeAgoParser = TimeAgoPatternsManager.getTimeAgoParserFor(Localization.DEFAULT);
public static void setUp() {
parser = TimeAgoPatternsManager.getTimeAgoParserFor(Localization.DEFAULT);
now = OffsetDateTime.now(ZoneOffset.UTC);
}
@Test
void testGetDuration() throws ParsingException {
assertEquals(1, timeAgoParser.parseDuration("one second"));
assertEquals(1, timeAgoParser.parseDuration("second"));
assertEquals(49, timeAgoParser.parseDuration("49 seconds"));
assertEquals(61, timeAgoParser.parseDuration("1 minute, 1 second"));
void parseTimeAgo() throws ParsingException {
assertTimeWithin1s(
now.minusSeconds(1),
parser.parse("1 second ago").offsetDateTime()
);
assertTimeWithin1s(
now.minusSeconds(12),
parser.parse("12 second ago").offsetDateTime()
);
assertTimeWithin1s(
now.minusMinutes(1),
parser.parse("1 minute ago").offsetDateTime()
);
assertTimeWithin1s(
now.minusMinutes(23),
parser.parse("23 minutes ago").offsetDateTime()
);
assertTimeWithin1s(
now.minusHours(1),
parser.parse("1 hour ago").offsetDateTime()
);
assertTimeWithin1s(
now.minusHours(8),
parser.parse("8 hours ago").offsetDateTime()
);
assertEquals(
now.minusDays(1).truncatedTo(ChronoUnit.HOURS),
parser.parse("1 day ago").offsetDateTime()
);
assertEquals(
now.minusDays(3).truncatedTo(ChronoUnit.HOURS),
parser.parse("3 days ago").offsetDateTime()
);
assertEquals(
now.minusWeeks(1).truncatedTo(ChronoUnit.HOURS),
parser.parse("1 week ago").offsetDateTime()
);
assertEquals(
now.minusWeeks(3).truncatedTo(ChronoUnit.HOURS),
parser.parse("3 weeks ago").offsetDateTime()
);
assertEquals(
now.minusMonths(1).truncatedTo(ChronoUnit.HOURS),
parser.parse("1 month ago").offsetDateTime()
);
assertEquals(
now.minusMonths(3).truncatedTo(ChronoUnit.HOURS),
parser.parse("3 months ago").offsetDateTime()
);
assertEquals(
now.minusYears(1).minusDays(1).truncatedTo(ChronoUnit.HOURS),
parser.parse("1 year ago").offsetDateTime()
);
assertEquals(
now.minusYears(3).minusDays(1).truncatedTo(ChronoUnit.HOURS),
parser.parse("3 years ago").offsetDateTime()
);
}
@Test
void testGetDurationError() {
assertThrows(ParsingException.class, () -> timeAgoParser.parseDuration("abcd"));
assertThrows(ParsingException.class, () -> timeAgoParser.parseDuration("12 abcd"));
void parseTimeAgoShort() throws ParsingException {
final TimeAgoParser parser = TimeAgoPatternsManager.getTimeAgoParserFor(Localization.DEFAULT);
final OffsetDateTime now = OffsetDateTime.now(ZoneOffset.UTC);
assertTimeWithin1s(
now.minusSeconds(1),
parser.parse("1 sec ago").offsetDateTime()
);
assertTimeWithin1s(
now.minusSeconds(12),
parser.parse("12 sec ago").offsetDateTime()
);
assertTimeWithin1s(
now.minusMinutes(1),
parser.parse("1 min ago").offsetDateTime()
);
assertTimeWithin1s(
now.minusMinutes(23),
parser.parse("23 min ago").offsetDateTime()
);
assertTimeWithin1s(
now.minusHours(1),
parser.parse("1 hr ago").offsetDateTime()
);
assertTimeWithin1s(
now.minusHours(8),
parser.parse("8 hr ago").offsetDateTime()
);
assertEquals(
now.minusDays(1).truncatedTo(ChronoUnit.HOURS),
parser.parse("1 day ago").offsetDateTime()
);
assertEquals(
now.minusDays(3).truncatedTo(ChronoUnit.HOURS),
parser.parse("3 days ago").offsetDateTime()
);
assertEquals(
now.minusWeeks(1).truncatedTo(ChronoUnit.HOURS),
parser.parse("1 wk ago").offsetDateTime()
);
assertEquals(
now.minusWeeks(3).truncatedTo(ChronoUnit.HOURS),
parser.parse("3 wk ago").offsetDateTime()
);
assertEquals(
now.minusMonths(1).truncatedTo(ChronoUnit.HOURS),
parser.parse("1 mo ago").offsetDateTime()
);
assertEquals(
now.minusMonths(3).truncatedTo(ChronoUnit.HOURS),
parser.parse("3 mo ago").offsetDateTime()
);
assertEquals(
now.minusYears(1).minusDays(1).truncatedTo(ChronoUnit.HOURS),
parser.parse("1 yr ago").offsetDateTime()
);
assertEquals(
now.minusYears(3).minusDays(1).truncatedTo(ChronoUnit.HOURS),
parser.parse("3 yr ago").offsetDateTime()
);
}
}
void assertTimeWithin1s(final OffsetDateTime expected, final OffsetDateTime actual) {
final long delta = Math.abs(expected.toEpochSecond() - actual.toEpochSecond());
assertTrue(delta <= 1, String.format("Expected: %s\nActual: %s", expected, actual));
}
}

154
extractor/src/test/java/org/schabi/newpipe/extractor/utils/TimeagoTest.java
View File

@ -1,154 +0,0 @@
package org.schabi.newpipe.extractor.utils;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import org.schabi.newpipe.extractor.exceptions.ParsingException;
import org.schabi.newpipe.extractor.localization.Localization;
import org.schabi.newpipe.extractor.localization.TimeAgoParser;
import org.schabi.newpipe.extractor.localization.TimeAgoPatternsManager;
import java.time.OffsetDateTime;
import java.time.ZoneOffset;
import java.time.temporal.ChronoUnit;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
public class TimeagoTest {
private static TimeAgoParser parser;
private static OffsetDateTime now;
@BeforeAll
public static void setUp() {
parser = TimeAgoPatternsManager.getTimeAgoParserFor(Localization.DEFAULT);
now = OffsetDateTime.now(ZoneOffset.UTC);
}
@Test
void parseTimeago() throws ParsingException {
assertTimeWithin1s(
now.minus(1, ChronoUnit.SECONDS),
parser.parse("1 second ago").offsetDateTime()
);
assertTimeWithin1s(
now.minus(12, ChronoUnit.SECONDS),
parser.parse("12 second ago").offsetDateTime()
);
assertTimeWithin1s(
now.minus(1, ChronoUnit.MINUTES),
parser.parse("1 minute ago").offsetDateTime()
);
assertTimeWithin1s(
now.minus(23, ChronoUnit.MINUTES),
parser.parse("23 minutes ago").offsetDateTime()
);
assertTimeWithin1s(
now.minus(1, ChronoUnit.HOURS),
parser.parse("1 hour ago").offsetDateTime()
);
assertTimeWithin1s(
now.minus(8, ChronoUnit.HOURS),
parser.parse("8 hours ago").offsetDateTime()
);
assertEquals(
now.minus(1, ChronoUnit.DAYS).truncatedTo(ChronoUnit.HOURS),
parser.parse("1 day ago").offsetDateTime()
);
assertEquals(
now.minus(3, ChronoUnit.DAYS).truncatedTo(ChronoUnit.HOURS),
parser.parse("3 days ago").offsetDateTime()
);
assertEquals(
now.minus(1, ChronoUnit.WEEKS).truncatedTo(ChronoUnit.HOURS),
parser.parse("1 week ago").offsetDateTime()
);
assertEquals(
now.minus(3, ChronoUnit.WEEKS).truncatedTo(ChronoUnit.HOURS),
parser.parse("3 weeks ago").offsetDateTime()
);
assertEquals(
now.minus(1, ChronoUnit.MONTHS).truncatedTo(ChronoUnit.HOURS),
parser.parse("1 month ago").offsetDateTime()
);
assertEquals(
now.minus(3, ChronoUnit.MONTHS).truncatedTo(ChronoUnit.HOURS),
parser.parse("3 months ago").offsetDateTime()
);
assertEquals(
now.minus(1, ChronoUnit.YEARS).minusDays(1).truncatedTo(ChronoUnit.HOURS),
parser.parse("1 year ago").offsetDateTime()
);
assertEquals(
now.minus(3, ChronoUnit.YEARS).minusDays(1).truncatedTo(ChronoUnit.HOURS),
parser.parse("3 years ago").offsetDateTime()
);
}
@Test
void parseTimeagoShort() throws ParsingException {
final TimeAgoParser parser = TimeAgoPatternsManager.getTimeAgoParserFor(Localization.DEFAULT);
final OffsetDateTime now = OffsetDateTime.now(ZoneOffset.UTC);
assertTimeWithin1s(
now.minus(1, ChronoUnit.SECONDS),
parser.parse("1 sec ago").offsetDateTime()
);
assertTimeWithin1s(
now.minus(12, ChronoUnit.SECONDS),
parser.parse("12 sec ago").offsetDateTime()
);
assertTimeWithin1s(
now.minus(1, ChronoUnit.MINUTES),
parser.parse("1 min ago").offsetDateTime()
);
assertTimeWithin1s(
now.minus(23, ChronoUnit.MINUTES),
parser.parse("23 min ago").offsetDateTime()
);
assertTimeWithin1s(
now.minus(1, ChronoUnit.HOURS),
parser.parse("1 hr ago").offsetDateTime()
);
assertTimeWithin1s(
now.minus(8, ChronoUnit.HOURS),
parser.parse("8 hr ago").offsetDateTime()
);
assertEquals(
now.minus(1, ChronoUnit.DAYS).truncatedTo(ChronoUnit.HOURS),
parser.parse("1 day ago").offsetDateTime()
);
assertEquals(
now.minus(3, ChronoUnit.DAYS).truncatedTo(ChronoUnit.HOURS),
parser.parse("3 days ago").offsetDateTime()
);
assertEquals(
now.minus(1, ChronoUnit.WEEKS).truncatedTo(ChronoUnit.HOURS),
parser.parse("1 wk ago").offsetDateTime()
);
assertEquals(
now.minus(3, ChronoUnit.WEEKS).truncatedTo(ChronoUnit.HOURS),
parser.parse("3 wk ago").offsetDateTime()
);
assertEquals(
now.minus(1, ChronoUnit.MONTHS).truncatedTo(ChronoUnit.HOURS),
parser.parse("1 mo ago").offsetDateTime()
);
assertEquals(
now.minus(3, ChronoUnit.MONTHS).truncatedTo(ChronoUnit.HOURS),
parser.parse("3 mo ago").offsetDateTime()
);
assertEquals(
now.minus(1, ChronoUnit.YEARS).minusDays(1).truncatedTo(ChronoUnit.HOURS),
parser.parse("1 yr ago").offsetDateTime()
);
assertEquals(
now.minus(3, ChronoUnit.YEARS).minusDays(1).truncatedTo(ChronoUnit.HOURS),
parser.parse("3 yr ago").offsetDateTime()
);
}
void assertTimeWithin1s(final OffsetDateTime expected, final OffsetDateTime actual) {
final long delta = Math.abs(expected.toEpochSecond() - actual.toEpochSecond());
assertTrue(delta <= 1, String.format("Expected: %s\nActual: %s", expected, actual));
}
}