blocks|key|1295740|text|与Hamcrest一起使用新的assertThat语法。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1295741|从JUnit+4.4开始提供。|1295742|entityMap|0|LINK|mutability|MUTABLE|url|http://code.google.com/p/hamcrest/wiki/UsesOfHamcrest|1|http://junit.sourceforge.net/doc/ReleaseNotes4.4.html^0|F|A|1|8|0|0|1|9|1|0^^$0|@$1|2|3|4|5|6|7|R|8|@$9|S|A|T|B|C]]|D|@$9|U|A|V|1|W]]|E|$]]|$1|F|3|G|5|6|7|X|8|@]|D|@$9|Y|A|Z|1|10]]|E|$]]|$1|H|3|-4|5|6|7|11|8|@]|D|@]|E|$]]]|I|$J|$5|K|L|M|E|$N|O]]|P|$5|K|L|M|E|$N|Q]]]]

Use the new <code>assertThat</code> syntax together with <a href="http://code.google.com/p/hamcrest/wiki/UsesOfHamcrest" rel="noreferrer">Hamcrest</a>.

It is available starting with <a href="http://junit.sourceforge.net/doc/ReleaseNotes4.4.html" rel="noreferrer">JUnit 4.4</a>.

blocks|key|1510447|text|如果你加上Hamcrest和JUnit4，你可以这样做：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1510448|String+x+=+"foo+bar";
Assert.assertThat(x,+CoreMatchers.containsString("foo"));|code-block|syntax|javascript|1510449|使用一些静态导入，它看起来要好得多：|1510450|assertThat(x,+containsString("foo"));|1510451|所需的静态导入将为：|1510452|import+static+org.hamcrest.MatcherAssert.assertThat;
import+static+org.hamcrest.CoreMatchers.containsString;|1510453|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|S|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|U|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|O|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|P|$]]

If you add in Hamcrest and JUnit4, you could do:
<pre><code>String x = &quot;foo bar&quot;;
Assert.assertThat(x, CoreMatchers.containsString(&quot;foo&quot;));
</code></pre>
With some static imports, it looks a lot better:
<pre><code>assertThat(x, containsString(&quot;foo&quot;));
</code></pre>
The static imports needed would be:
<pre><code>import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.CoreMatchers.containsString;
</code></pre>

blocks|key|1295810|text|尽可能使用fest+assert+2.0编辑：assertj可能有更多断言(一个分支)|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1295811|assertThat(x).contains("foo");|code-block|syntax|javascript|1295812|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/alexruiz/fest-assert-2.x/wiki/One-minute-starting-guide|1|http://joel-costigliola.github.io/assertj/assertj-core.html^0|5|F|0|N|7|1|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@$A|T|B|U|1|V]|$A|W|B|X|1|Y]]|C|$]]|$1|D|3|E|5|F|7|Z|8|@]|9|@]|C|$G|H]]|$1|I|3|-4|5|6|7|10|8|@]|9|@]|C|$]]]|J|$K|$5|L|M|N|C|$O|P]]|Q|$5|L|M|N|C|$O|R]]]]

use <a href="https://github.com/alexruiz/fest-assert-2.x/wiki/One-minute-starting-guide" rel="noreferrer">fest assert 2.0</a> whenever possible EDIT: <a href="http://joel-costigliola.github.io/assertj/assertj-core.html" rel="noreferrer">assertj</a> may have more assertions (a fork)

<pre><code>assertThat(x).contains("foo");
</code></pre>

blocks|key|1510516|text|另一个变体是|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1510517|Assert.assertThat(actual,+new+Matches(expectedRegex));|code-block|syntax|javascript|1510518|此外，在org.mockito.internal.matchers中还有其他一些有趣的匹配器，如StartWith、Contains等。|offset|length|style|CODE|1510519|entityMap^0|0|0|4|T|1C|9|1M|8|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@$I|R|J|S|K|L]|$I|T|J|U|K|L]|$I|V|J|W|K|L]]|9|@]|A|$]]|$1|M|3|-4|5|6|7|X|8|@]|9|@]|A|$]]]|N|$]]

Another variant is

<pre><code>Assert.assertThat(actual, new Matches(expectedRegex));
</code></pre>

Moreover in <code>org.mockito.internal.matchers</code> there are some other interesting matchers, like <code>StartWith</code>, <code>Contains</code> etc.

blocks|key|1510551|text|为时已晚，但为了更新，我用下面的语法完成了|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1510552|import+org.hamcrest.core.StringContains;
import+org.junit.Assert;

Assert.assertThat("this+contains+test",+StringContains.containsString("test"));|code-block|syntax|javascript|1510553|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

It's too late, but just to update I got it done with below syntax

<pre><code>import org.hamcrest.core.StringContains;
import org.junit.Assert;

Assert.assertThat("this contains test", StringContains.containsString("test"));
</code></pre>

blocks|key|1295930|text|assertj变量|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1295931|import+org.assertj.core.api.Assertions;
Assertions.assertThat(actualStr).contains(subStr);|code-block|syntax|javascript|1295932|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

assertj variant 

<pre><code>import org.assertj.core.api.Assertions;
Assertions.assertThat(actualStr).contains(subStr);
</code></pre>

blocks|key|1295966|text|您可以使用assertj-fluent断言。它有很多功能，可以以更具人类可读性和用户友好的方式编写断言。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1295967|在你的情况下，它将是|1295968|+String+x+=+"foo+bar";
+assertThat(x).contains("foo");|code-block|syntax|javascript|1295969|它不仅用于字符串，还可用于断言列表、集合等。以一种更友好的方式|1295970|entityMap|0|LINK|mutability|MUTABLE|url|https://joel-costigliola.github.io/assertj/^0|5|7|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@$A|V|B|W|1|X]]|C|$]]|$1|D|3|E|5|6|7|Y|8|@]|9|@]|C|$]]|$1|F|3|G|5|H|7|Z|8|@]|9|@]|C|$I|J]]|$1|K|3|L|5|6|7|10|8|@]|9|@]|C|$]]|$1|M|3|-4|5|6|7|11|8|@]|9|@]|C|$]]]|N|$O|$5|P|Q|R|C|$S|T]]]]

You can use <a href="https://joel-costigliola.github.io/assertj/" rel="nofollow noreferrer">assertj</a>-fluent assertions. It has lot of capabilities to write assertions in more human readable - user friendly manner.
In your case, it would be
<pre><code> String x = &quot;foo bar&quot;;
 assertThat(x).contains(&quot;foo&quot;);
</code></pre>
It is not only for the strings, it can be used to assert lists, collections etc.. in a friendlier way

Is there a nicer way to write in jUnit

<pre><code>String x = "foo bar";
Assert.assertTrue(x.contains("foo"));
</code></pre>

AssertContains on strings in jUnit

有没有一种更好的用jUnit编写的方法？String x = "foo bar";Assert.assertTrue(x.contains("foo"));

问jUnit中字符串的AssertContains
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