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+<a class="jxr_linenumber" name="L1" href="#L1">1</a> <strong class="jxr_keyword">package</strong> de.juplo.httpresources;
+<a class="jxr_linenumber" name="L2" href="#L2">2</a>
+<a class="jxr_linenumber" name="L3" href="#L3">3</a> <strong class="jxr_keyword">import</strong> org.junit.jupiter.api.BeforeEach;
+<a class="jxr_linenumber" name="L4" href="#L4">4</a> <strong class="jxr_keyword">import</strong> org.junit.jupiter.api.DisplayName;
+<a class="jxr_linenumber" name="L5" href="#L5">5</a> <strong class="jxr_keyword">import</strong> org.junit.jupiter.api.Test;
+<a class="jxr_linenumber" name="L6" href="#L6">6</a> <strong class="jxr_keyword">import</strong> org.junit.jupiter.api.extension.ExtendWith;
+<a class="jxr_linenumber" name="L7" href="#L7">7</a> <strong class="jxr_keyword">import</strong> org.mockito.Mock;
+<a class="jxr_linenumber" name="L8" href="#L8">8</a> <strong class="jxr_keyword">import</strong> org.mockito.junit.jupiter.MockitoExtension;
+<a class="jxr_linenumber" name="L9" href="#L9">9</a> <strong class="jxr_keyword">import</strong> org.mockito.junit.jupiter.MockitoSettings;
+<a class="jxr_linenumber" name="L10" href="#L10">10</a> <strong class="jxr_keyword">import</strong> org.mockito.quality.Strictness;
+<a class="jxr_linenumber" name="L11" href="#L11">11</a> <strong class="jxr_keyword">import</strong> org.slf4j.Logger;
+<a class="jxr_linenumber" name="L12" href="#L12">12</a> <strong class="jxr_keyword">import</strong> org.slf4j.LoggerFactory;
+<a class="jxr_linenumber" name="L13" href="#L13">13</a> <strong class="jxr_keyword">import</strong> org.springframework.cache.support.NoOpCache;
+<a class="jxr_linenumber" name="L14" href="#L14">14</a> <strong class="jxr_keyword">import</strong> org.springframework.http.HttpHeaders;
+<a class="jxr_linenumber" name="L15" href="#L15">15</a> <strong class="jxr_keyword">import</strong> org.springframework.test.context.junit.jupiter.SpringExtension;
+<a class="jxr_linenumber" name="L16" href="#L16">16</a>
+<a class="jxr_linenumber" name="L17" href="#L17">17</a> <strong class="jxr_keyword">import</strong> java.net.URI;
+<a class="jxr_linenumber" name="L18" href="#L18">18</a> <strong class="jxr_keyword">import</strong> java.time.Clock;
+<a class="jxr_linenumber" name="L19" href="#L19">19</a> <strong class="jxr_keyword">import</strong> java.time.ZoneId;
+<a class="jxr_linenumber" name="L20" href="#L20">20</a>
+<a class="jxr_linenumber" name="L21" href="#L21">21</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> de.juplo.httpresources.TestUtil.*;
+<a class="jxr_linenumber" name="L22" href="#L22">22</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.assertj.core.api.Assertions.assertThat;
+<a class="jxr_linenumber" name="L23" href="#L23">23</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.mockito.ArgumentMatchers.any;
+<a class="jxr_linenumber" name="L24" href="#L24">24</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.mockito.ArgumentMatchers.eq;
+<a class="jxr_linenumber" name="L25" href="#L25">25</a> <strong class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong> org.mockito.Mockito.*;
+<a class="jxr_linenumber" name="L26" href="#L26">26</a>
+<a class="jxr_linenumber" name="L27" href="#L27">27</a>
+<a class="jxr_linenumber" name="L28" href="#L28">28</a> @DisplayName((<span class="jxr_string">"HttpResource - Fetched - Not Expired - Fetch: Modified"</span>))
+<a class="jxr_linenumber" name="L29" href="#L29">29</a> @ExtendWith({ SpringExtension.<strong class="jxr_keyword">class</strong>, MockitoExtension.<strong class="jxr_keyword">class</strong> })
+<a class="jxr_linenumber" name="L30" href="#L30">30</a> @MockitoSettings(strictness = Strictness.LENIENT)
+<a class="jxr_linenumber" name="L31" href="#L31">31</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> HttpResourceNotExpiredFetchModifiedTest
+<a class="jxr_linenumber" name="L32" href="#L32">32</a> {
+<a class="jxr_linenumber" name="L33" href="#L33">33</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">static</strong> Logger LOG = LoggerFactory.getLogger(HttpResourceNotExpiredFetchModifiedTest.<strong class="jxr_keyword">class</strong>);
+<a class="jxr_linenumber" name="L34" href="#L34">34</a>
+<a class="jxr_linenumber" name="L35" href="#L35">35</a> @Mock
+<a class="jxr_linenumber" name="L36" href="#L36">36</a> HttpResourceFetcher fetcher;
+<a class="jxr_linenumber" name="L37" href="#L37">37</a>
+<a class="jxr_linenumber" name="L38" href="#L38">38</a> HttpResources resources;
+<a class="jxr_linenumber" name="L39" href="#L39">39</a> URI uri;
+<a class="jxr_linenumber" name="L40" href="#L40">40</a> HttpResource resource;
+<a class="jxr_linenumber" name="L41" href="#L41">41</a>
+<a class="jxr_linenumber" name="L42" href="#L42">42</a>
+<a class="jxr_linenumber" name="L43" href="#L43">43</a> <em class="jxr_javadoccomment">/************** SETUP */</em>
+<a class="jxr_linenumber" name="L44" href="#L44">44</a>
+<a class="jxr_linenumber" name="L45" href="#L45">45</a> @BeforeEach
+<a class="jxr_linenumber" name="L46" href="#L46">46</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setUp()
+<a class="jxr_linenumber" name="L47" href="#L47">47</a> {
+<a class="jxr_linenumber" name="L48" href="#L48">48</a> Clock clock = Clock.fixed(NOW.toInstant(), ZoneId.of(<span class="jxr_string">"GMT"</span>));
+<a class="jxr_linenumber" name="L49" href="#L49">49</a> resources = <strong class="jxr_keyword">new</strong> HttpResources(fetcher, clock);
+<a class="jxr_linenumber" name="L50" href="#L50">50</a> uri = URI.create(<span class="jxr_string">"http://foo/bar"</span>);
+<a class="jxr_linenumber" name="L51" href="#L51">51</a> resource = <strong class="jxr_keyword">new</strong> HttpResource(resources, fetcher, clock, uri);
+<a class="jxr_linenumber" name="L52" href="#L52">52</a> resource.data = DATA_NOT_EXPIRED;
+<a class="jxr_linenumber" name="L53" href="#L53">53</a>
+<a class="jxr_linenumber" name="L54" href="#L54">54</a> <em class="jxr_comment">// Everything is possible, nothing is necessary: Only defines behavior!</em>
+<a class="jxr_linenumber" name="L55" href="#L55">55</a>
+<a class="jxr_linenumber" name="L56" href="#L56">56</a> HttpHeaders headers = <strong class="jxr_keyword">new</strong> HttpHeaders();
+<a class="jxr_linenumber" name="L57" href="#L57">57</a> headers.setContentType(MIME_TYPE_CONTENT_TYPE_HTML);
+<a class="jxr_linenumber" name="L58" href="#L58">58</a>
+<a class="jxr_linenumber" name="L59" href="#L59">59</a> when(fetcher.fetch(any(), any())).thenReturn(DATA_UPDATED);
+<a class="jxr_linenumber" name="L60" href="#L60">60</a> }
+<a class="jxr_linenumber" name="L61" href="#L61">61</a>
+<a class="jxr_linenumber" name="L62" href="#L62">62</a>
+<a class="jxr_linenumber" name="L63" href="#L63">63</a> <em class="jxr_javadoccomment">/*************** For calls, that do not trigger a fetch see: HttpResourceNotExpiredTest */</em>
+<a class="jxr_linenumber" name="L64" href="#L64">64</a>
+<a class="jxr_linenumber" name="L65" href="#L65">65</a>
+<a class="jxr_linenumber" name="L66" href="#L66">66</a> <em class="jxr_javadoccomment">/*************** Calls, that trigger a fetch */</em>
+<a class="jxr_linenumber" name="L67" href="#L67">67</a>
+<a class="jxr_linenumber" name="L68" href="#L68">68</a> @Test
+<a class="jxr_linenumber" name="L69" href="#L69">69</a> @DisplayName((<span class="jxr_string">"call to fetch() triggers fetch"</span>))
+<a class="jxr_linenumber" name="L70" href="#L70">70</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> test_fetch_TriggersFetch()
+<a class="jxr_linenumber" name="L71" href="#L71">71</a> {
+<a class="jxr_linenumber" name="L72" href="#L72">72</a> LOG.info(<span class="jxr_string">"<-- start of test-case"</span>);
+<a class="jxr_linenumber" name="L73" href="#L73">73</a>
+<a class="jxr_linenumber" name="L74" href="#L74">74</a> resource.fetch();
+<a class="jxr_linenumber" name="L75" href="#L75">75</a>
+<a class="jxr_linenumber" name="L76" href="#L76">76</a> <em class="jxr_comment">// Do not verify implementation: Only verify necessary outcome!</em>
+<a class="jxr_linenumber" name="L77" href="#L77">77</a> verify(fetcher).fetch(eq(uri), any());
+<a class="jxr_linenumber" name="L78" href="#L78">78</a> }
+<a class="jxr_linenumber" name="L79" href="#L79">79</a>
+<a class="jxr_linenumber" name="L80" href="#L80">80</a>
+<a class="jxr_linenumber" name="L81" href="#L81">81</a> <em class="jxr_javadoccomment">/*************** Results for calls, that does trigger a fetch */</em>
+<a class="jxr_linenumber" name="L82" href="#L82">82</a>
+<a class="jxr_linenumber" name="L83" href="#L83">83</a> @Test
+<a class="jxr_linenumber" name="L84" href="#L84">84</a> @DisplayName((<span class="jxr_string">"fetch() returns true, if fetcher returned true"</span>))
+<a class="jxr_linenumber" name="L85" href="#L85">85</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> test_fetch_ReturnsTrueIfFetcherReturnedFalse()
+<a class="jxr_linenumber" name="L86" href="#L86">86</a> {
+<a class="jxr_linenumber" name="L87" href="#L87">87</a> LOG.info(<span class="jxr_string">"<-- start of test-case"</span>);
+<a class="jxr_linenumber" name="L88" href="#L88">88</a>
+<a class="jxr_linenumber" name="L89" href="#L89">89</a> assertThat(resource.fetch()).isTrue();
+<a class="jxr_linenumber" name="L90" href="#L90">90</a> }
+<a class="jxr_linenumber" name="L91" href="#L91">91</a>
+<a class="jxr_linenumber" name="L92" href="#L92">92</a>
+<a class="jxr_linenumber" name="L93" href="#L93">93</a> <em class="jxr_javadoccomment">/*************** Expected state after calls that trigger a fetch */</em>
+<a class="jxr_linenumber" name="L94" href="#L94">94</a>
+<a class="jxr_linenumber" name="L95" href="#L95">95</a> @Test
+<a class="jxr_linenumber" name="L96" href="#L96">96</a> @DisplayName((<span class="jxr_string">"fetch() updates data"</span>))
+<a class="jxr_linenumber" name="L97" href="#L97">97</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> test_fetch_UpdatesData()
+<a class="jxr_linenumber" name="L98" href="#L98">98</a> {
+<a class="jxr_linenumber" name="L99" href="#L99">99</a> LOG.info(<span class="jxr_string">"<-- start of test-case"</span>);
+<a class="jxr_linenumber" name="L100" href="#L100">100</a>
+<a class="jxr_linenumber" name="L101" href="#L101">101</a> resource.fetch();
+<a class="jxr_linenumber" name="L102" href="#L102">102</a>
+<a class="jxr_linenumber" name="L103" href="#L103">103</a> assertThat(resource.data).isSameAs(DATA_UPDATED);
+<a class="jxr_linenumber" name="L104" href="#L104">104</a> }
+<a class="jxr_linenumber" name="L105" href="#L105">105</a> }
+</pre>
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