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commit 84c5957a91
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java/wspp/WsppTester.java Normal file
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package wspp;
import base.ExtendedRandom;
import base.Named;
import base.Pair;
import base.TestCounter;
import java.nio.charset.StandardCharsets;
import java.util.*;
import java.util.function.Consumer;
import java.util.function.Function;
import java.util.function.IntFunction;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import wordStat.WordStatChecker;
import wordStat.WordStatTester;
/**
* @author Georgiy Korneev (kgeorgiy@kgeorgiy.info)
*/
public final class WsppTester {
private WsppTester() {}
public static <T> Consumer<TestCounter> variant(
final Named<Comparator<Map.Entry<String, Integer>>> comparator,
final Named<IntFunction<IntStream>> selector,
final Named<Extractor<T>> extractor,
final Named<String> extra
) {
// Stream "magic" code. You do not expect to understand it
return counter ->
WordStatChecker.test(
counter,
"Wspp" +
comparator.name() +
selector.name() +
extractor.name() +
extra.name(),
text -> {
final Map<String, Integer> totals = Arrays.stream(text)
.flatMap(Arrays::stream)
.map(word -> word.toLowerCase(Locale.ROOT))
.collect(
Collectors.toMap(
Function.identity(),
k -> 1,
Integer::sum,
LinkedHashMap::new
)
);
final int[] lengths = Arrays.stream(text)
.mapToInt(a -> a.length)
.toArray();
final int[] sizes = new int[lengths.length + 1];
int start = 0;
for (int i = 0; i < lengths.length; i++) {
sizes[i] = start;
start += lengths[i];
}
sizes[lengths.length] = start;
final Map<String, String> selected = IntStream.range(
0,
text.length
)
.boxed()
.flatMap(r -> {
final String[] line = text[r];
return IntStream.range(0, line.length)
.boxed()
.collect(
Collectors.groupingBy(
w -> line[w].toLowerCase(Locale.ROOT),
Collectors.collectingAndThen(
Collectors.mapping(
w ->
extractor
.value()
.select(
r + 1,
w + 1,
line.length,
sizes[r] + w + 1,
sizes[lengths.length]
),
Collectors.toUnmodifiableList()
),
list ->
selector
.value()
.apply(list.size())
.mapToObj(list::get)
.toList()
)
)
)
.entrySet()
.stream();
})
.collect(
Collectors.groupingBy(
Map.Entry::getKey,
Collectors.flatMapping(
e -> e.getValue().stream(),
Collectors.mapping(
String::valueOf,
Collectors.mapping(
" "::concat,
Collectors.joining()
)
)
)
)
);
return totals
.entrySet()
.stream()
.sorted(comparator.value())
.map(e ->
Pair.of(
e.getKey(),
e.getValue() + selected.get(e.getKey())
)
)
.collect(Collectors.toList());
},
checker -> {
final Pattern pattern = Pattern.compile(
new String(
Base64.getDecoder().decode(
"W15ccHtJc0xldHRlcn0nXHB7UGR9" +
extra.value()
),
StandardCharsets.US_ASCII
) +
"]+"
);
final String good = String.join(
"",
pattern.split(WordStatTester.POST_LOWER)
);
checker.test(
pattern,
"To be, or not to be, that is the question:"
);
checker.test(
pattern,
"Monday's child is fair of face.",
"Tuesday's child is full of grace."
);
checker.test(
pattern,
"Шалтай-Болтай",
"Сидел на стене.",
"Шалтай-Болтай",
"Свалился во сне."
);
checker.randomTest(
3,
10,
10,
3,
ExtendedRandom.ENGLISH,
WordStatChecker.SIMPLE_DELIMITERS
);
checker.randomTest(
10,
3,
5,
5,
ExtendedRandom.RUSSIAN,
WordStatChecker.SIMPLE_DELIMITERS
);
checker.randomTest(
3,
10,
10,
3,
ExtendedRandom.GREEK,
WordStatChecker.SIMPLE_DELIMITERS
);
checker.randomTest(
3,
10,
10,
3,
WordStatChecker.DASH,
WordStatChecker.SIMPLE_DELIMITERS
);
checker.randomTest(
3,
10,
10,
3,
ExtendedRandom.ENGLISH,
WordStatChecker.ADVANCED_DELIMITERS
);
checker.randomTest(
10,
3,
5,
5,
ExtendedRandom.RUSSIAN,
WordStatChecker.ADVANCED_DELIMITERS
);
checker.randomTest(
3,
10,
10,
3,
ExtendedRandom.GREEK,
WordStatChecker.ADVANCED_DELIMITERS
);
checker.randomTest(
3,
10,
10,
3,
WordStatChecker.DASH,
WordStatChecker.ADVANCED_DELIMITERS
);
checker.randomTest(
10,
20,
10,
3,
good,
WordStatChecker.SIMPLE_DELIMITERS
);
checker.randomTest(
10,
20,
10,
3,
good,
WordStatChecker.ADVANCED_DELIMITERS
);
final int d = TestCounter.DENOMINATOR;
final int d2 = TestCounter.DENOMINATOR2;
checker.randomTest(
100,
1000 / d,
1000 / d2,
1000 / d2,
WordStatChecker.ALL,
WordStatChecker.ADVANCED_DELIMITERS
);
checker.randomTest(
10,
1000 / d,
1000 / d2,
1000 / d2,
good,
WordStatChecker.ADVANCED_DELIMITERS
);
checker.randomTest(
10000 / d,
20,
10,
5,
WordStatChecker.ALL,
WordStatChecker.ADVANCED_DELIMITERS
);
checker.randomTest(
1000000 / d,
2,
2,
1,
WordStatChecker.ALL,
WordStatChecker.ADVANCED_DELIMITERS
);
checker.test(pattern, WordStatTester.PRE_LOWER);
checker.test(pattern, WordStatTester.POST_LOWER);
}
);
}
@FunctionalInterface
public interface Extractor<T> {
T select(int l, int li, int lt, int gi, int gt);
}
}