MissingSingletonMethodAssertionTest xref

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    1   /**
    2    * Copyright (c) 2004-2011 QOS.ch
    3    * All rights reserved.
    4    *
    5    * Permission is hereby granted, free  of charge, to any person obtaining
    6    * a  copy  of this  software  and  associated  documentation files  (the
    7    * "Software"), to  deal in  the Software without  restriction, including
    8    * without limitation  the rights to  use, copy, modify,  merge, publish,
    9    * distribute,  sublicense, and/or sell  copies of  the Software,  and to
    10   * permit persons to whom the Software  is furnished to do so, subject to
    11   * the following conditions:
    12   *
    13   * The  above  copyright  notice  and  this permission  notice  shall  be
    14   * included in all copies or substantial portions of the Software.
    15   *
    16   * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
    17   * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
    18   * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
    19   * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
    20   * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
    21   * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
    22   * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
    23   *
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    25  package org.slf4j;
    26
    27  import java.io.PrintStream;
    28  import java.util.Random;
    29
    30  import junit.framework.TestCase;
    31
    32  public class MissingSingletonMethodAssertionTest extends TestCase {
    33
    34    StringPrintStream sps = new StringPrintStream(System.err);
    35    PrintStream old = System.err;
    36    int diff = 1024 + new Random().nextInt(10000);
    37
    38    public MissingSingletonMethodAssertionTest(String name) {
    39      super(name);
    40    }
    41
    42    protected void setUp() throws Exception {
    43      super.setUp();
    44      System.setErr(sps);
    45    }
    46
    47    protected void tearDown() throws Exception {
    48      super.tearDown();
    49      System.setErr(old);
    50    }
    51
    52    public void test() throws Exception {
    53      try {
    54        Logger logger = LoggerFactory.getLogger(this.getClass());
    55        String msg = "hello world " + diff;
    56        logger.info(msg);
    57        fail("NoSuchMethodError expected");
    58      } catch (NoSuchMethodError e) {
    59      }
    60
    61      int lineCount = sps.stringList
    62      .size();
    63      assertTrue("number of lines should be 3 but was "+lineCount, lineCount == 3);
    64
    65
    66      // expected output:
    67      // SLF4J: slf4j-api 1.6.x (or later) is incompatible with this binding.
    68      // SLF4J: Your binding is version 1.4.x or earlier.
    69      // SLF4J: Upgrade your binding to version 1.6.x. or 2.0.x
    70
    71      {
    72        String s = (String) sps.stringList.get(0);
    73        assertTrue(s
    74            .contains("SLF4J: slf4j-api 1.6.x (or later) is incompatible with this binding."));
    75      }
    76      {
    77        String s = (String) sps.stringList.get(1);
    78        assertTrue(s.contains("SLF4J: Your binding is version 1.5.5 or earlier."));
    79      }
    80      {
    81        String s = (String) sps.stringList.get(2);
    82        assertTrue(s
    83            .contains("SLF4J: Upgrade your binding to version 1.6.x."));
    84      }
    85
    86    }
    87  }