IncomingEntityDetailsTest.java

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 * to you under the Apache License, Version 2.0 (the
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package org.apache.hc.core5.http.impl;

import static org.junit.jupiter.api.Assertions.assertAll;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertTrue;

import java.util.HashSet;
import java.util.Set;
import java.util.stream.Collectors;
import java.util.stream.Stream;

import org.apache.hc.core5.http.Header;
import org.apache.hc.core5.http.HttpHeaders;
import org.apache.hc.core5.http.MessageHeaders;
import org.apache.hc.core5.http.message.BasicHeader;
import org.apache.hc.core5.http.message.HeaderGroup;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;

class IncomingEntityDetailsTest {

    @Test
    void getContentLengthEmpty() {
        final MessageHeaders messageHeaders = new HeaderGroup();
        final IncomingEntityDetails incomingEntityDetails = new IncomingEntityDetails(messageHeaders);
        assertAll(
                () -> assertEquals(-1, incomingEntityDetails.getContentLength()),
                () -> assertNull(incomingEntityDetails.getContentType()),
                () -> assertNull(incomingEntityDetails.getContentEncoding()),
                () -> assertEquals(0, incomingEntityDetails.getTrailerNames().size())
        );
    }

    @Test
    void messageHeadersNull() {
        Assertions.assertThrows(NullPointerException.class, () -> new IncomingEntityDetails(null),
                "Message Header Null");
    }

    @Test
    void getContentLength() {
        final MessageHeaders messageHeaders = new HeaderGroup();
        final HeaderGroup headerGroup = new HeaderGroup();
        final Header header = new BasicHeader("name", "value");
        headerGroup.addHeader(header);
        final IncomingEntityDetails incomingEntityDetails = new IncomingEntityDetails(messageHeaders);
        assertAll(
                () -> assertEquals(-1, incomingEntityDetails.getContentLength()),
                () -> assertTrue(incomingEntityDetails.isChunked())
        );
    }

    @Test
    void getTrailerNames() {
        final HeaderGroup messageHeaders = new HeaderGroup();
        final Header header = new BasicHeader(HttpHeaders.TRAILER, "a, b, c, c");
        messageHeaders.setHeaders(header);
        final IncomingEntityDetails incomingEntityDetails = new IncomingEntityDetails(messageHeaders);
        final Set<String> incomingSet = incomingEntityDetails.getTrailerNames();
        assertAll(
                () -> assertFalse(incomingSet.isEmpty()),
                () -> assertTrue(incomingSet.containsAll(Stream.of("a", "b", "c")
                        .collect(Collectors.toCollection(HashSet::new))))
        );
    }

}