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| 1 | +package test.org.fugerit.java.core.lang.helpers; |
| 2 | + |
| 3 | +import java.io.InputStream; |
| 4 | + |
| 5 | +import org.fugerit.java.core.cfg.ConfigException; |
| 6 | +import org.fugerit.java.core.io.StreamIO; |
| 7 | +import org.fugerit.java.core.lang.helpers.ClassHelper; |
| 8 | +import org.fugerit.java.core.lang.helpers.StringUtils; |
| 9 | +import org.junit.Assert; |
| 10 | +import org.junit.Test; |
| 11 | + |
| 12 | +import lombok.Getter; |
| 13 | +import lombok.extern.slf4j.Slf4j; |
| 14 | +import test.org.fugerit.java.BasicTest; |
| 15 | + |
| 16 | +@Slf4j |
| 17 | +public class TestClassHelper extends BasicTest { |
| 18 | + |
| 19 | + private static final String PATH_TXT_OK = "core/test_test.txt"; |
| 20 | + |
| 21 | + private static final String PATH_TXT_KO = "ko_"+PATH_TXT_OK; |
| 22 | + |
| 23 | + private boolean testNewInstanceWorker( String type, boolean expectedException ) { |
| 24 | + boolean ok = false; |
| 25 | + try { |
| 26 | + log.info( "try to create : {}", type ); |
| 27 | + Object res = ClassHelper.newInstance( type ); |
| 28 | + log.info( "object created : {}", res ); |
| 29 | + ok = !expectedException && (res != null); |
| 30 | + } catch (ConfigException | ClassNotFoundException | NoSuchMethodException e) { |
| 31 | + if ( expectedException ) { |
| 32 | + log.info( "expected exception ok : {}", e.toString() ); |
| 33 | + ok = true; |
| 34 | + } else { |
| 35 | + this.failEx(e); |
| 36 | + } |
| 37 | + } catch (Exception e) { |
| 38 | + this.failEx(e); |
| 39 | + } |
| 40 | + return ok; |
| 41 | + } |
| 42 | + |
| 43 | + private boolean testLoadFromDefaultClassLoaderWorker( String path, boolean expectedException ) { |
| 44 | + boolean ok = false; |
| 45 | + log.info( "try to load path : {}", path ); |
| 46 | + try ( InputStream is = ClassHelper.loadFromDefaultClassLoader( path ) ) { |
| 47 | + String text = StreamIO.readString( is ); |
| 48 | + log.info( "found : {}", text ); |
| 49 | + ok = !expectedException && ( StringUtils.isNotEmpty( text ) ); |
| 50 | + } catch (Exception e) { |
| 51 | + if ( expectedException ) { |
| 52 | + log.info( "expected exception ok : {}", e.toString() ); |
| 53 | + ok = true; |
| 54 | + } else { |
| 55 | + this.failEx(e); |
| 56 | + } |
| 57 | + } |
| 58 | + return ok; |
| 59 | + } |
| 60 | + |
| 61 | + private boolean testLoadFromClassLoaderWorker( String path, boolean expectedException, Class<?> c ) { |
| 62 | + boolean ok = false; |
| 63 | + log.info( "try to load path : {}", path ); |
| 64 | + try ( InputStream is = ClassHelper.loadFromClassLoader( c, path ) ) { |
| 65 | + String text = StreamIO.readString( is ); |
| 66 | + log.info( "found : {}", text ); |
| 67 | + ok = !expectedException && ( StringUtils.isNotEmpty( text ) ); |
| 68 | + } catch (Exception e) { |
| 69 | + if ( expectedException ) { |
| 70 | + log.info( "expected exception ok : {}", e.toString() ); |
| 71 | + ok = true; |
| 72 | + } else { |
| 73 | + this.failEx(e); |
| 74 | + } |
| 75 | + } |
| 76 | + return ok; |
| 77 | + } |
| 78 | + |
| 79 | + @Test |
| 80 | + public void testNewInstanceOk() { |
| 81 | + boolean ok = this.testNewInstanceWorker( TestClassHelper.class.getName(), false ); |
| 82 | + Assert.assertTrue( ok ); |
| 83 | + } |
| 84 | + |
| 85 | + @Test |
| 86 | + public void testNewInstanceClassNotFoundException() { |
| 87 | + boolean ok = this.testNewInstanceWorker( TestClassHelper.class.getName()+"NotExist", true ); |
| 88 | + Assert.assertTrue( ok ); |
| 89 | + } |
| 90 | + |
| 91 | + @Test |
| 92 | + public void testNewInstanceConfigException() { |
| 93 | + boolean ok = this.testNewInstanceWorker( TestPrivateConstructor.class.getName(), true ); |
| 94 | + Assert.assertTrue( ok ); |
| 95 | + } |
| 96 | + |
| 97 | + @Test |
| 98 | + public void testNewInstanceNoSuchMethodException() { |
| 99 | + boolean ok = this.testNewInstanceWorker( TestNoDefaultConstructor.class.getName(), true ); |
| 100 | + Assert.assertTrue( ok ); |
| 101 | + } |
| 102 | + |
| 103 | + |
| 104 | + @Test |
| 105 | + public void testLoadFromDefaultClassLoaderOk() { |
| 106 | + boolean ok = this.testLoadFromDefaultClassLoaderWorker( PATH_TXT_OK, false ); |
| 107 | + Assert.assertTrue( ok ); |
| 108 | + } |
| 109 | + |
| 110 | + @Test |
| 111 | + public void testLoadFromClassLoaderOk1() { |
| 112 | + boolean ok = this.testLoadFromClassLoaderWorker( PATH_TXT_OK, false, TestClassHelper.class ); |
| 113 | + Assert.assertTrue( ok ); |
| 114 | + } |
| 115 | + |
| 116 | + @Test |
| 117 | + public void testLoadFromClassLoaderOk2() { |
| 118 | + boolean ok = this.testLoadFromClassLoaderWorker( PATH_TXT_OK, false, ClassHelper.class ); |
| 119 | + Assert.assertTrue( ok ); |
| 120 | + } |
| 121 | + |
| 122 | + @Test |
| 123 | + public void testLoadFromClassLoaderOk3() { |
| 124 | + boolean ok = this.testLoadFromClassLoaderWorker( PATH_TXT_OK, false, null ); |
| 125 | + Assert.assertTrue( ok ); |
| 126 | + } |
| 127 | + |
| 128 | + @Test |
| 129 | + public void testLoadFromDefaultClassLoaderko() { |
| 130 | + boolean ok = this.testLoadFromDefaultClassLoaderWorker( PATH_TXT_KO, true ); |
| 131 | + Assert.assertTrue( ok ); |
| 132 | + } |
| 133 | + |
| 134 | + @Test |
| 135 | + public void testLoadFromClassLoaderko1() { |
| 136 | + boolean ok = this.testLoadFromClassLoaderWorker( PATH_TXT_KO, true, TestClassHelper.class ); |
| 137 | + Assert.assertTrue( ok ); |
| 138 | + } |
| 139 | + |
| 140 | + @Test |
| 141 | + public void testLoadFromClassLoaderKo2() { |
| 142 | + boolean ok = this.testLoadFromClassLoaderWorker( PATH_TXT_KO, true, ClassHelper.class ); |
| 143 | + Assert.assertTrue( ok ); |
| 144 | + } |
| 145 | + |
| 146 | + @Test |
| 147 | + public void testToFullClassName() { |
| 148 | + String name = ClassHelper.toFullClassName( new TestClassHelper() ); |
| 149 | + log.info( "tesToFullClassName {}", name ); |
| 150 | + Assert.assertEquals( TestClassHelper.class.getName(), name ); |
| 151 | + } |
| 152 | + |
| 153 | + @Test |
| 154 | + public void testToSimpleClassName() { |
| 155 | + String name = ClassHelper.toSimpleClassName( new TestClassHelper() ); |
| 156 | + log.info( "testToSimpleClassName {}", name ); |
| 157 | + Assert.assertEquals( TestClassHelper.class.getSimpleName() , name ); |
| 158 | + } |
| 159 | + |
| 160 | +} |
| 161 | + |
| 162 | +class TestPrivateConstructor { |
| 163 | + |
| 164 | + private TestPrivateConstructor() {} |
| 165 | + |
| 166 | +} |
| 167 | + |
| 168 | +class TestNoDefaultConstructor { |
| 169 | + |
| 170 | + @Getter private boolean test; |
| 171 | + |
| 172 | + public TestNoDefaultConstructor( boolean test ) { this.test = test; } |
| 173 | + |
| 174 | +} |
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