dailidong
5 years ago
committed by
GitHub
92 changed files with 1446 additions and 824 deletions
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/* |
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* Licensed to the Apache Software Foundation (ASF) under one or more |
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* contributor license agreements. See the NOTICE file distributed with |
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* this work for additional information regarding copyright ownership. |
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* The ASF licenses this file to You under the Apache License, Version 2.0 |
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* (the "License"); you may not use this file except in compliance with |
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* the License. You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.apache.dolphinscheduler.common.utils; |
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public class ArrayUtils { |
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public static boolean isEmpty(final int[] array) { |
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return array == null || array.length == 0; |
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} |
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} |
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/* |
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* Licensed to the Apache Software Foundation (ASF) under one or more |
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* contributor license agreements. See the NOTICE file distributed with |
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* this work for additional information regarding copyright ownership. |
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* The ASF licenses this file to You under the Apache License, Version 2.0 |
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* (the "License"); you may not use this file except in compliance with |
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* the License. You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.apache.dolphinscheduler.common.utils; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.InputStreamReader; |
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public class IOUtils { |
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public static void closeQuietly(InputStream fis){ |
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if(fis != null){ |
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try { |
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fis.close(); |
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} catch (IOException ignore) { |
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} |
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} |
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} |
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public static void closeQuietly(InputStreamReader reader){ |
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if(reader != null){ |
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try { |
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reader.close(); |
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} catch (IOException ignore) { |
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} |
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} |
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} |
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} |
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/* |
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* Licensed to the Apache Software Foundation (ASF) under one or more |
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* contributor license agreements. See the NOTICE file distributed with |
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* this work for additional information regarding copyright ownership. |
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* The ASF licenses this file to You under the Apache License, Version 2.0 |
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* (the "License"); you may not use this file except in compliance with |
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* the License. You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.apache.dolphinscheduler.common.utils; |
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import org.junit.Assert; |
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import org.junit.Test; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import static org.hamcrest.core.StringContains.containsString; |
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import static org.junit.Assert.assertNull; |
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import static org.junit.Assert.assertThat; |
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public class PreconditionsTest { |
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public static final Logger logger = LoggerFactory.getLogger(PreconditionsTest.class); |
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/** |
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* Test checkNotNull |
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*/ |
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@Test |
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public void testCheckNotNull() throws Exception { |
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String testReference = "test reference"; |
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//test reference is not null
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Assert.assertEquals(testReference,Preconditions.checkNotNull(testReference)); |
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Assert.assertEquals(testReference,Preconditions.checkNotNull(testReference,"reference is null")); |
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Assert.assertEquals(testReference,Preconditions.checkNotNull(testReference,"%s is null",testReference)); |
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//test reference is null
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try { |
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Preconditions.checkNotNull(null); |
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} catch (NullPointerException ex) { |
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assertNull(ex.getMessage()); |
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} |
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try { |
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Preconditions.checkNotNull(""); |
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} catch (NullPointerException ex) { |
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assertNull(ex.getMessage()); |
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} |
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//test reference is null ,expect contains errorMessage
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try { |
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Preconditions.checkNotNull(null,"reference is null"); |
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} catch (NullPointerException ex) { |
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assertThat(ex.getMessage(), containsString("reference is null")); |
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} |
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try { |
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Preconditions.checkNotNull("","reference is null"); |
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} catch (NullPointerException ex) { |
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assertThat(ex.getMessage(), containsString("reference is null")); |
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} |
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//test reference is null ,expect contains errorMessageTemplate and errorMessageArgs
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try { |
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Preconditions.checkNotNull(null,"%s is null",testReference); |
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} catch (NullPointerException ex) { |
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assertThat(ex.getMessage(), containsString(testReference + " is null")); |
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} |
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try { |
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Preconditions.checkNotNull("","%s is null",testReference); |
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} catch (NullPointerException ex) { |
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assertThat(ex.getMessage(), containsString(testReference + " is null")); |
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} |
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} |
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/** |
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* Test checkArgument |
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*/ |
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@Test |
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public void testCheckArgument() throws Exception { |
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int argument = 100; |
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//boolean condition is true
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Preconditions.checkArgument(argument > 0 && argument < 200); |
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//boolean condition is false
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try { |
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Preconditions.checkArgument(argument > 0 && argument < 50); |
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} catch (IllegalArgumentException ex) { |
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assertNull(ex.getMessage()); |
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} |
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//boolean condition is false ,expect contains errorMessage
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try { |
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Preconditions.checkArgument(argument > 300, "argument is error"); |
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} catch (IllegalArgumentException ex) { |
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assertThat(ex.getMessage(), containsString("argument is error")); |
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} |
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//boolean condition is false,expect contains errorMessageTemplate and errorMessageArgs
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try { |
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Preconditions.checkArgument(argument > 0 && argument < 99, "argument %s is error",argument); |
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} catch (IllegalArgumentException ex) { |
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assertThat(ex.getMessage(), containsString( "argument " + argument + " is error")); |
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} |
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} |
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/** |
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* Test checkState |
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*/ |
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@Test |
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public void testCheckState() throws Exception { |
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int state = 1; |
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//boolean condition is true
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Preconditions.checkState(state == 1); |
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Preconditions.checkState(state > -1); |
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//boolean condition is false
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try { |
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Preconditions.checkState(state > 2); |
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} catch (IllegalStateException ex) { |
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assertNull(ex.getMessage()); |
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} |
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//boolean condition is false ,expect contains errorMessage
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try { |
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Preconditions.checkState(state < 1, "state is error"); |
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} catch (IllegalStateException ex) { |
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assertThat(ex.getMessage(), containsString("state is error")); |
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} |
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//boolean condition is false,expect contains errorMessageTemplate and errorMessageArgs
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try { |
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Preconditions.checkState(state < -1 , "state %s is error",state); |
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} catch (IllegalStateException ex) { |
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assertThat(ex.getMessage(), containsString( "state " + state + " is error")); |
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} |
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} |
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/** |
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* Test checkElementIndex |
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*/ |
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@Test |
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public void testCheckElementIndex() throws Exception { |
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int index = 2; |
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int size = 30; |
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//boolean condition is true
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Preconditions.checkElementIndex(index, size); |
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//boolean condition is false
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try { |
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Preconditions.checkElementIndex(-1, 10); |
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} catch (IndexOutOfBoundsException ex) { |
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assertThat(ex.getMessage(), containsString("Index: -1, Size: 10")); |
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} |
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//boolean condition is false ,expect contains errorMessage
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try { |
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Preconditions.checkElementIndex(100, 50, "index is greater than size"); |
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} catch (IndexOutOfBoundsException ex) { |
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assertThat(ex.getMessage(), containsString("index is greater than size Index: 100, Size: 50")); |
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} |
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} |
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} |
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