AutoLogger.java

package com.github.dakusui.osynth.core;

import java.lang.reflect.Method;

public interface AutoLogger {

  static MethodHandlerDecorator create(AutoLogger autoLogger) {
    return (method, methodHandler) -> (MethodHandler) (synthesizedObject, args) -> {
      autoLogger.log(autoLogger.enter(synthesizedObject, method, args));
      Object ret;
      try {
        ret = methodHandler.handle(synthesizedObject, args);
        autoLogger.log(autoLogger.leave(synthesizedObject, method, ret));
        return ret;
      } catch (Throwable t) {
        autoLogger.log(autoLogger.exception(synthesizedObject, method, t));
        throw t;
      }
    };
  }

  interface Entry {


    enum Type {
      ENTER("arguments") {
      },
      LEAVE("return") {
      },
      EXCEPTION("exception") {
      };

      private final String outputValueLabel;

      Type(String outputValueLabel) {
        this.outputValueLabel = outputValueLabel;
      }

      public String outputValueLabel() {
        return this.outputValueLabel;
      }
    }

    Entry.Type type();

    Object object();

    Method method();

    Object value();

    /**
     * A default implementation of this method is provided to save implementation
     * effort for entries not need arguments.
     *
     * @return An argument array passed this entry when this represents a method entry.
     */
    default Object[] arguments() {
      throw new UnsupportedOperationException();
    }

    /**
     * A default implementation of this method is provided to save implementation
     * effort for entries not need exception.
     *
     * @return An exception detected during method execution.
     */
    default Throwable exception() {
      throw new UnsupportedOperationException();
    }

    ;

    static Entry enter(Object object, Method method, Object[] args) {
      return new Entry() {
        @Override
        public Type type() {
          return Type.ENTER;
        }

        @Override
        public Object object() {
          return object;
        }

        @Override
        public Method method() {
          return method;
        }

        @Override
        public Object[] arguments() {
          return args;
        }

        @Override
        public Object value() {
          return this.arguments();
        }
      };
    }

    static Entry leave(Object object, Method method, Object returnedValue) {
      return new Entry() {
        @Override
        public Type type() {
          return Type.LEAVE;
        }

        @Override
        public Object object() {
          return object;
        }

        @Override
        public Method method() {
          return method;
        }

        @Override
        public Object value() {
          return returnedValue;
        }
      };
    }

    static Entry exception(Object object, Method method, Throwable exception) {
      return new Entry() {
        @Override
        public Type type() {
          return Type.EXCEPTION;
        }

        @Override
        public Object object() {
          return object;
        }

        @Override
        public Method method() {
          return method;
        }

        @Override
        public Object value() {
          return exception();
        }

        @Override
        public Throwable exception() {
          return exception;
        }
      };
    }
  }

  default Entry enter(Object object, Method method, Object[] args) {
    return Entry.enter(object, method, args);
  }

  default Entry leave(Object object, Method method, Object returnedValue) {
    return Entry.leave(object, method, returnedValue);
  }

  default Entry exception(Object object, Method method, Throwable t) {
    return Entry.exception(object, method, t);
  }

  void log(Entry entry);
}




























Active mutators

CONDITIONALS_BOUNDARY
EMPTY_RETURNS
FALSE_RETURNS
INCREMENTS
INVERT_NEGS
MATH
NEGATE_CONDITIONALS
NULL_RETURNS
PRIMITIVE_RETURNS
TRUE_RETURNS
VOID_METHOD_CALLS

Tests examined

com.github.dakusui.osynth.ut.AutoLoggingTest.givenAutoLoggingEnabled_whenDefaultMethod$bMethod$_thenDoesntBreak(com.github.dakusui.osynth.ut.AutoLoggingTest) (4 ms)
com.github.dakusui.osynth.ut.AutoLoggingTest.givenAutoLoggingEnabledOverridingBuiltInMethod$whenToString$thenNotLoggedAndDoesntBreak(com.github.dakusui.osynth.ut.AutoLoggingTest) (6 ms)
com.github.dakusui.osynth.ut.AutoLoggingTest.givenEnableAutoLogging_whenFallback$cMethod$_thenDoesntBreak(com.github.dakusui.osynth.ut.AutoLoggingTest) (4 ms)
com.github.dakusui.osynth.ut.AutoLoggingTest.modifyAutoLoggingBehaviorBy$compose$_thenModifiedBehaviorObserved(com.github.dakusui.osynth.ut.AutoLoggingTest) (7 ms)
com.github.dakusui.osynth.ut.AutoLoggingTest.enableAutoLogging(com.github.dakusui.osynth.ut.AutoLoggingTest) (10 ms)
com.github.dakusui.osynth.ut.AutoLoggingTest.enableAutoLogging$whenNormalMethodA$thenDoesntBreak(com.github.dakusui.osynth.ut.AutoLoggingTest) (16 ms)
com.github.dakusui.osynth.ut.core.SynthesizedObjectTest.differentHandlerDecorator(com.github.dakusui.osynth.ut.core.SynthesizedObjectTest) (1 ms)
com.github.dakusui.osynth.ut.AutoLoggingTest.modifyAutoLoggingBehaviorBy$andThen$_thenModifiedBehaviorObserved(com.github.dakusui.osynth.ut.AutoLoggingTest) (4 ms)

Report generated by PIT 1.7.3

1		package com.github.dakusui.osynth.core;
2
3		import java.lang.reflect.Method;
4
5		public interface AutoLogger {
6
7		static MethodHandlerDecorator create(AutoLogger autoLogger) {
8	2 1. create : replaced return value with null for com/github/dakusui/osynth/core/AutoLogger::create → KILLED 2. lambda$create$1 : replaced return value with null for com/github/dakusui/osynth/core/AutoLogger::lambda$create$1 → KILLED	return (method, methodHandler) -> (MethodHandler) (synthesizedObject, args) -> {
9	1 1. lambda$null$0 : removed call to com/github/dakusui/osynth/core/AutoLogger::log → KILLED	autoLogger.log(autoLogger.enter(synthesizedObject, method, args));
10		Object ret;
11		try {
12		ret = methodHandler.handle(synthesizedObject, args);
13	1 1. lambda$null$0 : removed call to com/github/dakusui/osynth/core/AutoLogger::log → KILLED	autoLogger.log(autoLogger.leave(synthesizedObject, method, ret));
14	1 1. lambda$null$0 : replaced return value with null for com/github/dakusui/osynth/core/AutoLogger::lambda$null$0 → KILLED	return ret;
15		} catch (Throwable t) {
16	1 1. lambda$null$0 : removed call to com/github/dakusui/osynth/core/AutoLogger::log → SURVIVED	autoLogger.log(autoLogger.exception(synthesizedObject, method, t));
17		throw t;
18		}
19		};
20		}
21
22		interface Entry {
23
24
25		enum Type {
26		ENTER("arguments") {
27		},
28		LEAVE("return") {
29		},
30		EXCEPTION("exception") {
31		};
32
33		private final String outputValueLabel;
34
35		Type(String outputValueLabel) {
36		this.outputValueLabel = outputValueLabel;
37		}
38
39		public String outputValueLabel() {
40	1 1. outputValueLabel : replaced return value with "" for com/github/dakusui/osynth/core/AutoLogger$Entry$Type::outputValueLabel → KILLED	return this.outputValueLabel;
41		}
42		}
43
44		Entry.Type type();
45
46		Object object();
47
48		Method method();
49
50		Object value();
51
52		/**
53		* A default implementation of this method is provided to save implementation
54		* effort for entries not need arguments.
55		*
56		* @return An argument array passed this entry when this represents a method entry.
57		*/
58		default Object[] arguments() {
59		throw new UnsupportedOperationException();
60		}
61
62		/**
63		* A default implementation of this method is provided to save implementation
64		* effort for entries not need exception.
65		*
66		* @return An exception detected during method execution.
67		*/
68		default Throwable exception() {
69		throw new UnsupportedOperationException();
70		}
71
72		;
73
74		static Entry enter(Object object, Method method, Object[] args) {
75	1 1. enter : replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry::enter → KILLED	return new Entry() {
76		@Override
77		public Type type() {
78	1 1. type : replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$1::type → KILLED	return Type.ENTER;
79		}
80
81		@Override
82		public Object object() {
83	1 1. object : replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$1::object → SURVIVED	return object;
84		}
85
86		@Override
87		public Method method() {
88	1 1. method : replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$1::method → KILLED	return method;
89		}
90
91		@Override
92		public Object[] arguments() {
93	1 1. arguments : replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$1::arguments → KILLED	return args;
94		}
95
96		@Override
97		public Object value() {
98	1 1. value : replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$1::value → KILLED	return this.arguments();
99		}
100		};
101		}
102
103		static Entry leave(Object object, Method method, Object returnedValue) {
104	1 1. leave : replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry::leave → KILLED	return new Entry() {
105		@Override
106		public Type type() {
107	1 1. type : replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$2::type → KILLED	return Type.LEAVE;
108		}
109
110		@Override
111		public Object object() {
112	1 1. object : replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$2::object → SURVIVED	return object;
113		}
114
115		@Override
116		public Method method() {
117	1 1. method : replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$2::method → KILLED	return method;
118		}
119
120		@Override
121		public Object value() {
122	1 1. value : replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$2::value → KILLED	return returnedValue;
123		}
124		};
125		}
126
127		static Entry exception(Object object, Method method, Throwable exception) {
128	1 1. exception : replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry::exception → KILLED	return new Entry() {
129		@Override
130		public Type type() {
131	1 1. type : replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$3::type → KILLED	return Type.EXCEPTION;
132		}
133
134		@Override
135		public Object object() {
136	1 1. object : replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$3::object → SURVIVED	return object;
137		}
138
139		@Override
140		public Method method() {
141	1 1. method : replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$3::method → KILLED	return method;
142		}
143
144		@Override
145		public Object value() {
146	1 1. value : replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$3::value → KILLED	return exception();
147		}
148
149		@Override
150		public Throwable exception() {
151	1 1. exception : replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$3::exception → KILLED	return exception;
152		}
153		};
154		}
155		}
156
157		default Entry enter(Object object, Method method, Object[] args) {
158	1 1. enter : replaced return value with null for com/github/dakusui/osynth/core/AutoLogger::enter → KILLED	return Entry.enter(object, method, args);
159		}
160
161		default Entry leave(Object object, Method method, Object returnedValue) {
162	1 1. leave : replaced return value with null for com/github/dakusui/osynth/core/AutoLogger::leave → KILLED	return Entry.leave(object, method, returnedValue);
163		}
164
165		default Entry exception(Object object, Method method, Throwable t) {
166	1 1. exception : replaced return value with null for com/github/dakusui/osynth/core/AutoLogger::exception → KILLED	return Entry.exception(object, method, t);
167		}
168
169		void log(Entry entry);
170		}
		Mutations
8		1.1 Location : create Killed by : com.github.dakusui.osynth.ut.core.SynthesizedObjectTest.differentHandlerDecorator(com.github.dakusui.osynth.ut.core.SynthesizedObjectTest) replaced return value with null for com/github/dakusui/osynth/core/AutoLogger::create → KILLED 2.2 Location : lambda$create$1 Killed by : com.github.dakusui.osynth.ut.AutoLoggingTest.givenAutoLoggingEnabled_whenDefaultMethod$bMethod$_thenDoesntBreak(com.github.dakusui.osynth.ut.AutoLoggingTest) replaced return value with null for com/github/dakusui/osynth/core/AutoLogger::lambda$create$1 → KILLED
9		1.1 Location : lambda$null$0 Killed by : com.github.dakusui.osynth.ut.AutoLoggingTest.givenAutoLoggingEnabled_whenDefaultMethod$bMethod$_thenDoesntBreak(com.github.dakusui.osynth.ut.AutoLoggingTest) removed call to com/github/dakusui/osynth/core/AutoLogger::log → KILLED
13		1.1 Location : lambda$null$0 Killed by : com.github.dakusui.osynth.ut.AutoLoggingTest.givenAutoLoggingEnabled_whenDefaultMethod$bMethod$_thenDoesntBreak(com.github.dakusui.osynth.ut.AutoLoggingTest) removed call to com/github/dakusui/osynth/core/AutoLogger::log → KILLED
14		1.1 Location : lambda$null$0 Killed by : com.github.dakusui.osynth.ut.AutoLoggingTest.modifyAutoLoggingBehaviorBy$compose$_thenModifiedBehaviorObserved(com.github.dakusui.osynth.ut.AutoLoggingTest) replaced return value with null for com/github/dakusui/osynth/core/AutoLogger::lambda$null$0 → KILLED
16		1.1 Location : lambda$null$0 Killed by : none removed call to com/github/dakusui/osynth/core/AutoLogger::log → SURVIVED
40		1.1 Location : outputValueLabel Killed by : com.github.dakusui.osynth.ut.AutoLoggingTest.givenAutoLoggingEnabled_whenDefaultMethod$bMethod$_thenDoesntBreak(com.github.dakusui.osynth.ut.AutoLoggingTest) replaced return value with "" for com/github/dakusui/osynth/core/AutoLogger$Entry$Type::outputValueLabel → KILLED
75		1.1 Location : enter Killed by : com.github.dakusui.osynth.ut.AutoLoggingTest.givenAutoLoggingEnabled_whenDefaultMethod$bMethod$_thenDoesntBreak(com.github.dakusui.osynth.ut.AutoLoggingTest) replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry::enter → KILLED
78		1.1 Location : type Killed by : com.github.dakusui.osynth.ut.AutoLoggingTest.givenAutoLoggingEnabled_whenDefaultMethod$bMethod$_thenDoesntBreak(com.github.dakusui.osynth.ut.AutoLoggingTest) replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$1::type → KILLED
83		1.1 Location : object Killed by : none replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$1::object → SURVIVED
88		1.1 Location : method Killed by : com.github.dakusui.osynth.ut.AutoLoggingTest.givenAutoLoggingEnabled_whenDefaultMethod$bMethod$_thenDoesntBreak(com.github.dakusui.osynth.ut.AutoLoggingTest) replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$1::method → KILLED
93		1.1 Location : arguments Killed by : com.github.dakusui.osynth.ut.AutoLoggingTest.givenAutoLoggingEnabled_whenDefaultMethod$bMethod$_thenDoesntBreak(com.github.dakusui.osynth.ut.AutoLoggingTest) replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$1::arguments → KILLED
98		1.1 Location : value Killed by : com.github.dakusui.osynth.ut.AutoLoggingTest.givenAutoLoggingEnabled_whenDefaultMethod$bMethod$_thenDoesntBreak(com.github.dakusui.osynth.ut.AutoLoggingTest) replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$1::value → KILLED
104		1.1 Location : leave Killed by : com.github.dakusui.osynth.ut.AutoLoggingTest.givenAutoLoggingEnabled_whenDefaultMethod$bMethod$_thenDoesntBreak(com.github.dakusui.osynth.ut.AutoLoggingTest) replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry::leave → KILLED
107		1.1 Location : type Killed by : com.github.dakusui.osynth.ut.AutoLoggingTest.givenAutoLoggingEnabled_whenDefaultMethod$bMethod$_thenDoesntBreak(com.github.dakusui.osynth.ut.AutoLoggingTest) replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$2::type → KILLED
112		1.1 Location : object Killed by : none replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$2::object → SURVIVED
117		1.1 Location : method Killed by : com.github.dakusui.osynth.ut.AutoLoggingTest.givenAutoLoggingEnabled_whenDefaultMethod$bMethod$_thenDoesntBreak(com.github.dakusui.osynth.ut.AutoLoggingTest) replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$2::method → KILLED
122		1.1 Location : value Killed by : com.github.dakusui.osynth.ut.AutoLoggingTest.givenAutoLoggingEnabled_whenDefaultMethod$bMethod$_thenDoesntBreak(com.github.dakusui.osynth.ut.AutoLoggingTest) replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$2::value → KILLED
128		1.1 Location : exception Killed by : com.github.dakusui.osynth.ut.AutoLoggingTest.enableAutoLogging(com.github.dakusui.osynth.ut.AutoLoggingTest) replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry::exception → KILLED
131		1.1 Location : type Killed by : com.github.dakusui.osynth.ut.AutoLoggingTest.enableAutoLogging(com.github.dakusui.osynth.ut.AutoLoggingTest) replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$3::type → KILLED
136		1.1 Location : object Killed by : none replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$3::object → SURVIVED
141		1.1 Location : method Killed by : com.github.dakusui.osynth.ut.AutoLoggingTest.enableAutoLogging(com.github.dakusui.osynth.ut.AutoLoggingTest) replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$3::method → KILLED
146		1.1 Location : value Killed by : com.github.dakusui.osynth.ut.AutoLoggingTest.enableAutoLogging(com.github.dakusui.osynth.ut.AutoLoggingTest) replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$3::value → KILLED
151		1.1 Location : exception Killed by : com.github.dakusui.osynth.ut.AutoLoggingTest.enableAutoLogging(com.github.dakusui.osynth.ut.AutoLoggingTest) replaced return value with null for com/github/dakusui/osynth/core/AutoLogger$Entry$3::exception → KILLED
158		1.1 Location : enter Killed by : com.github.dakusui.osynth.ut.AutoLoggingTest.givenAutoLoggingEnabled_whenDefaultMethod$bMethod$_thenDoesntBreak(com.github.dakusui.osynth.ut.AutoLoggingTest) replaced return value with null for com/github/dakusui/osynth/core/AutoLogger::enter → KILLED
162		1.1 Location : leave Killed by : com.github.dakusui.osynth.ut.AutoLoggingTest.givenAutoLoggingEnabled_whenDefaultMethod$bMethod$_thenDoesntBreak(com.github.dakusui.osynth.ut.AutoLoggingTest) replaced return value with null for com/github/dakusui/osynth/core/AutoLogger::leave → KILLED
166		1.1 Location : exception Killed by : com.github.dakusui.osynth.ut.AutoLoggingTest.enableAutoLogging(com.github.dakusui.osynth.ut.AutoLoggingTest) replaced return value with null for com/github/dakusui/osynth/core/AutoLogger::exception → KILLED

AutoLogger.java

Mutations

Active mutators

Tests examined