{"id":1856,"date":"2018-04-01T23:06:39","date_gmt":"2018-04-01T14:06:39","guid":{"rendered":"https:\/\/www.beeete2.com\/blog\/?p=1856"},"modified":"2018-04-01T23:09:18","modified_gmt":"2018-04-01T14:09:18","slug":"junit%e3%81%ae%e3%82%a2%e3%82%b5%e3%83%bc%e3%82%b7%e3%83%a7%e3%83%b3%e3%81%abassertj%e3%82%92%e4%bd%bf%e3%81%86","status":"publish","type":"post","link":"https:\/\/www.beeete2.com\/blog\/?p=1856","title":{"rendered":"JUnit\u306e\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\u306bAssertJ\u3092\u4f7f\u3046"},"content":{"rendered":"<p>Junit3\u6642\u4ee3\u306f<code>assertEquals<\/code>\u3067\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\u3057\u3066Junit4\u306b\u306a\u308b\u3068\u5f53\u521d\u306f<code>hamcrest<\/code>\u3067\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\u3057\u3066\u304a\u308a\u307e\u3057\u305f\u304c\u6700\u8fd1\u306f<code>AssertJ<\/code>\u3092\u4f7f\u3063\u3066\u304a\u308a\u307e\u3059\u3002<br \/>\nAssertJ\u306f<code>Fluent assertions for java<\/code>\u3068\u7d39\u4ecb\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3059\u304c\u3001\u308f\u304b\u308a\u3084\u3059\u304f\u8a00\u3046\u3068\u30c6\u30b9\u30c8\u3092\u30e1\u30bd\u30c3\u30c9\u30c1\u30a7\u30a4\u30f3\u3067\u66f8\u3044\u3066\u3044\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><a href=\"http:\/\/joel-costigliola.github.io\/assertj\/\" rel=\"noopener\" target=\"_blank\">AssertJ<\/a><\/p>\n<p>\u4f8b\u3048\u3070\u3001\u6587\u5b57\u5217\u306e\u30c6\u30b9\u30c8\u3092\u3059\u308b\u3068\u304d\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u304b\u3051\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-java\">\nString content = \"Hello World.\";\nassertThat(content).startsWith(\"Hello\")\n    .endsWith(\"World.\")\n    .contains(\" \");\n<\/code><\/pre>\n<p>\u3053\u306e\u4f8b\u306f\u591a\u5c11\u7121\u7406\u77e2\u7406\u611f\u304c\u3042\u308a\u307e\u3059\u304cAssertJ\u3092\u4f7f\u3046\u3068\u578b\u306b\u3088\u308a\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\u304c\u88dc\u5b8c\u3055\u308c\u308b\u306e\u3067\u5c0e\u5165\u5f53\u521d\u304b\u3089\u30b9\u30e0\u30fc\u30ba\u306b\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u81ea\u5206\u304c\u3088\u304f\u4f7f\u3046\u306e\u306f\u30ea\u30b9\u30c8\u306e\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002<br \/>\n\u30ea\u30b9\u30c8\u306e\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\u306f\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u524d\u51e6\u7406\u3067\u30ea\u30b9\u30c8\u304b\u3089\u8981\u7d20\u3092\u62bd\u51fa\u3057\u305f\u308a\u3068\u30c6\u30b9\u30c8\u3092\u3059\u308b\u305f\u3081\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u304f\u5fc5\u8981\u304c\u3042\u308b\u3068\u601d\u3044\u307e\u3059\u304cAssertJ\u306e\u30ea\u30b9\u30c8\u306e\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\u3060\u3068\u304b\u306a\u308a\u76f4\u611f\u7684\u306b\u30c6\u30b9\u30c8\u3092\u304b\u3051\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-java\">\nList actual = Utils.extractByGender(persons, \"male\");\nassertThat(actual).extracting(\"name\")\n        .hasSize(3)\n        .containsExactly(\"user1\", \"user3\", \"user5\");\n<\/code><\/pre>\n<p>\u3053\u308c\u306factual\u30ea\u30b9\u30c8\u306ePerson\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304b\u3089name\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u5024\u3092\u53d6\u308a\u51fa\u3057\u3066\u30c6\u30b9\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\n\u30ea\u30b9\u30c8\u306e\u8981\u7d20\u306f3\u304b\u3064containsExactly\u3067\u6307\u5b9a\u3055\u308c\u305f\u5185\u5bb9\u5316\u30c6\u30b9\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\ncontainsExactly\u306fExactly\u3068\u8981\u7d20\u3068\u9806\u756a\u306e\u5b8c\u5168\u4e00\u81f4\u3092\u8981\u6c42\u3057\u307e\u3059\u3002<br \/>\n\u4ed6\u306b\u3082\u3044\u308d\u3044\u308d\u3042\u3063\u3066contains\u306f\u8981\u7d20\u304c\u542b\u307e\u308c\u3066\u3044\u308c\u3070\u5927\u4e08\u592b\u3060\u3057\u3001containsOnly\u306f\u8981\u7d20\u306f\u4e00\u81f4\u3001\u9806\u756a\u306f\u4e0d\u4e00\u81f4\u3067\u3082\u5927\u4e08\u592b\u3068\u3044\u3046\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\u3082\u3042\u308a\u307e\u3059\u3002<br \/>\n\u542b\u307e\u308c\u306a\u3044\u3053\u3068\u3092\u8981\u6c42\u3059\u308bdoesnot\u7cfb\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u8907\u6570\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u30c6\u30b9\u30c8\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-java\">\nList actual = Utils.extractGteByAge(persons, 35);\nassertThat(actual).extracting(\"name\", \"age\")\n        .hasSize(3)\n        .containsExactly(\n                tuple(\"user3\", 35),\n                tuple(\"user4\", 35),\n                tuple(\"user5\", 50));\n<\/code><\/pre>\n<p>\u3053\u3093\u306a\u611f\u3058\u3067\u3059\u3002<\/p>\n<p>\u81ea\u5206\u304cAssertJ\u3067\u4e00\u756a\u597d\u304d\u306a\u306e\u306f\u4f8b\u5916\u306e\u30c6\u30b9\u30c8\u3067\u3059\u3002<br \/>\nJUnit\u3060\u3068@Rule\u3092\u4f7f\u3063\u3066\u4f8b\u5916\u306e\u30c6\u30b9\u30c8\u3092\u3059\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u30ac\u30c3\u30c1\u30ea\u3068\u3057\u305f\u30c6\u30b9\u30c8\u306f\u66f8\u304b\u305a\u306b\u4f8b\u5916\u304c\u9001\u51fa\u3055\u308c\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3068\u7c21\u5358\u306a\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u30c6\u30b9\u30c8\u304c\u3067\u304d\u308c\u3070\u3044\u3044\u5834\u5408\u30ab\u30b8\u30e5\u30a2\u30eb\u306b\u66f8\u304d\u305f\u3044\u3068\u601d\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u305d\u306e\u5834\u5408AssertJ\u3060\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u304b\u3051\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-java\">\nassertThatThrownBy(() -&gt; { Utils.extractByGender(persons, null); })\n        .isInstanceOf(IllegalArgumentException.class)\n        .hasMessage(\"gender must be not null or empty.\");\n\nassertThatThrownBy(() -&gt; { Utils.extractByGender(persons, \"\"); })\n        .isInstanceOf(IllegalArgumentException.class)\n        .hasMessage(\"gender must be not null or empty.\");\n\nassertThatThrownBy(() -&gt; { Utils.extractByGender(persons, \"root\"); })\n        .isInstanceOf(IllegalArgumentException.class)\n        .hasMessage(\"gender can be choice only male or female.\");\n<\/code><\/pre>\n<p>\u4f8b\u5916\u3092\u6d41\u308c\u308b\u3088\u3046\u306b\u8aad\u3093\u3067\u3044\u3051\u308b\u306e\u3067\u81ea\u5206\u306f\u6700\u8fd1\u306f\u3053\u306e\u66f8\u304d\u65b9\u304c\u3057\u3063\u304f\u308a\u304d\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4ed6\u306b\u3082<code>Path<\/code>\u3084<code>File<\/code>\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u6e21\u3059\u3068\u6587\u5b57\u5217\u306e\u6bd4\u8f03\u3084file or directory\u306a\u3069\u3092\u30c6\u30b9\u30c8\u3059\u308b\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u4e0a\u8a18\u30b3\u30fc\u30c9\u306e\u8a73\u7d30\u306f\u4ee5\u4e0b\u306b\u3002<br \/>\n<a href=\"https:\/\/github.com\/beeete2\/assertj-samples\" rel=\"noopener\" target=\"_blank\">assertj-samples<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Junit3\u6642\u4ee3\u306fassertEquals\u3067\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\u3057\u3066Junit4\u306b\u306a\u308b\u3068\u5f53\u521d\u306fhamcrest\u3067\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\u3057\u3066\u304a\u308a\u307e\u3057\u305f\u304c\u6700\u8fd1\u306fAssertJ\u3092\u4f7f\u3063\u3066\u304a\u308a\u307e\u3059\u3002 AssertJ\u306fFluent &#8230; <\/p>\n","protected":false},"author":1,"featured_media":1486,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38],"tags":[80],"views":7727,"_links":{"self":[{"href":"https:\/\/www.beeete2.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1856"}],"collection":[{"href":"https:\/\/www.beeete2.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.beeete2.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.beeete2.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.beeete2.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1856"}],"version-history":[{"count":10,"href":"https:\/\/www.beeete2.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1856\/revisions"}],"predecessor-version":[{"id":2035,"href":"https:\/\/www.beeete2.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1856\/revisions\/2035"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.beeete2.com\/blog\/index.php?rest_route=\/wp\/v2\/media\/1486"}],"wp:attachment":[{"href":"https:\/\/www.beeete2.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1856"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.beeete2.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1856"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.beeete2.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1856"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}