1 files changed, 152 insertions, 0 deletions
diff --git a/slf4j-simple/src/test/java/org/slf4j/simple/SimpleLoggerTest.java b/slf4j-simple/src/test/java/org/slf4j/simple/SimpleLoggerTest.java
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+++ b/slf4j-simple/src/test/java/org/slf4j/simple/SimpleLoggerTest.java
@@ -0,0 +1,152 @@
+/**
+ * Copyright (c) 2004-2022 QOS.ch Sarl (Switzerland)
+ * All rights reserved.
+ *
+ * Permission is hereby granted, free  of charge, to any person obtaining
+ * a  copy  of this  software  and  associated  documentation files  (the
+ * "Software"), to  deal in  the Software without  restriction, including
+ * without limitation  the rights to  use, copy, modify,  merge, publish,
+ * distribute,  sublicense, and/or sell  copies of  the Software,  and to
+ * permit persons to whom the Software  is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The  above  copyright  notice  and  this permission  notice  shall  be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
+ * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
+ * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+package org.slf4j.simple;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+import java.util.regex.Pattern;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+public class SimpleLoggerTest {
+
+    String A_KEY = SimpleLogger.LOG_KEY_PREFIX + "a";
+    PrintStream original = System.out;
+    ByteArrayOutputStream bout = new ByteArrayOutputStream();
+    PrintStream replacement = new PrintStream(bout);
+
+    @Before
+    public void before() {
+        System.setProperty(A_KEY, "info");
+    }
+
+    @After
+    public void after() {
+        System.clearProperty(A_KEY);
+        System.clearProperty(SimpleLogger.CACHE_OUTPUT_STREAM_STRING_KEY);
+        System.clearProperty(SimpleLogger.SHOW_THREAD_ID_KEY);
+        System.clearProperty(SimpleLogger.SHOW_THREAD_NAME_KEY);
+        System.setErr(original);
+    }
+
+    @Test
+    public void emptyLoggerName() {
+        SimpleLogger simpleLogger = new SimpleLogger("a");
+        assertEquals("info", simpleLogger.recursivelyComputeLevelString());
+    }
+
+    @Test
+    public void offLevel() {
+        System.setProperty(A_KEY, "off");
+        SimpleLogger.init();
+        SimpleLogger simpleLogger = new SimpleLogger("a");
+        assertEquals("off", simpleLogger.recursivelyComputeLevelString());
+        assertFalse(simpleLogger.isErrorEnabled());
+    }
+
+    @Test
+    public void loggerNameWithNoDots_WithLevel() {
+        SimpleLogger.init();
+        SimpleLogger simpleLogger = new SimpleLogger("a");
+
+        assertEquals("info", simpleLogger.recursivelyComputeLevelString());
+    }
+
+    @Test
+    public void loggerNameWithOneDotShouldInheritFromParent() {
+        SimpleLogger simpleLogger = new SimpleLogger("a.b");
+        assertEquals("info", simpleLogger.recursivelyComputeLevelString());
+    }
+
+    @Test
+    public void loggerNameWithNoDots_WithNoSetLevel() {
+        SimpleLogger simpleLogger = new SimpleLogger("x");
+        assertNull(simpleLogger.recursivelyComputeLevelString());
+    }
+
+    @Test
+    public void loggerNameWithOneDot_NoSetLevel() {
+        SimpleLogger simpleLogger = new SimpleLogger("x.y");
+        assertNull(simpleLogger.recursivelyComputeLevelString());
+    }
+
+    @Test
+    public void checkUseOfLastSystemStreamReference() {
+        SimpleLogger.init();
+        SimpleLogger simpleLogger = new SimpleLogger(this.getClass().getName());
+
+        System.setErr(replacement);
+        simpleLogger.info("hello");
+        replacement.flush();
+        assertTrue(bout.toString().contains("INFO " + this.getClass().getName() + " - hello"));
+    }
+
+    @Test
+    public void checkUseOfCachedOutputStream() {
+        System.setErr(replacement);
+        System.setProperty(SimpleLogger.CACHE_OUTPUT_STREAM_STRING_KEY, "true");
+        SimpleLogger.init();
+        SimpleLogger simpleLogger = new SimpleLogger(this.getClass().getName());
+        // change reference to original before logging
+        System.setErr(original);
+
+        simpleLogger.info("hello");
+        replacement.flush();
+        assertTrue(bout.toString().contains("INFO " + this.getClass().getName() + " - hello"));
+    }
+
+    @Test
+    public void testTheadIdWithoutThreadName() {
+        System.setProperty(SimpleLogger.SHOW_THREAD_NAME_KEY, Boolean.FALSE.toString());
+        String patternStr = "^tid=\\d{1,12} INFO org.slf4j.simple.SimpleLoggerTest - hello";
+        commonTestThreadId(patternStr);
+    }
+
+    @Test
+    public void testThreadId() {
+        String patternStr = "^\\[.*\\] tid=\\d{1,12} INFO org.slf4j.simple.SimpleLoggerTest - hello";
+        commonTestThreadId(patternStr);
+    }
+
+    private void commonTestThreadId(String patternStr) {
+        System.setErr(replacement);
+        System.setProperty(SimpleLogger.SHOW_THREAD_ID_KEY, Boolean.TRUE.toString());
+        SimpleLogger.init();
+        SimpleLogger simpleLogger = new SimpleLogger(this.getClass().getName());
+        simpleLogger.info("hello");
+        replacement.flush();
+        String output = bout.toString();
+        System.out.println(patternStr);
+        System.out.println(output);
+        assertTrue(Pattern.compile(patternStr).matcher(output).lookingAt());
+    }
+}