MidiUtils.java

package com.github.dakusui.symfonion.utils.midi;

import com.github.dakusui.symfonion.exceptions.CliException;

import javax.sound.midi.MidiDevice;
import javax.sound.midi.MidiSystem;
import java.io.PrintStream;
import java.util.Arrays;
import java.util.regex.Pattern;
import java.util.stream.Stream;

import static java.lang.String.format;

public enum MidiUtils {
  ;

  public static Stream<MidiDevice.Info> streamMidiDeviceInfo() {
    return Arrays.stream(MidiSystem.getMidiDeviceInfo());
  }

  public static String formatMidiDeviceInfo(MidiDevice.Info info) {
    return String.format("%-25s %-15s %-35s", info.getName(), info.getVersion(), info.getVendor());
  }

  public static boolean isMidiDeviceForInput(MidiDevice.Info device) {
    Object tmp = null;
    try {
      MidiDevice dev = MidiSystem.getMidiDevice(device);
      try (dev) {
        dev.open();
        tmp = dev.getTransmitter();
      }
    } catch (Exception ignored) {
    }
    return tmp != null;
  }

  public static boolean isMidiDeviceForOutput(MidiDevice.Info info) {
    Object tmp = null;
    try {
      MidiDevice dev = MidiSystem.getMidiDevice(info);
      try (dev) {
        dev.open();
        tmp = dev.getReceiver();
      }
    } catch (Exception ignored) {
    }
    return tmp != null;
  }

  public static MidiDeviceScanner chooseOutputDevices(
      PrintStream ps, Pattern regex) {
    return new MidiDeviceScanner.RegexMidiDeviceScanner(ps, regex) {
      @Override
      protected String getTitle() {
        return "MIDI-out devices";
      }

      @Override
      protected boolean matches(MidiDevice.Info device) {
        return super.matches(device) && isMidiDeviceForOutput(device);
      }
    };
  }

  public static MidiDevice.Info[] getInfos(String portName, MidiDeviceScanner scanner, Pattern regex) throws CliException {
    MidiDevice.Info[] matchedInfos = scanner.getMatchedDevices();
    if (matchedInfos.length > 1) {
      String msg = format("Device for port '%s' (regex:%s) wasn't unique (%d)", portName, regex, matchedInfos.length);
      throw new CliException(msg);
    } else if (matchedInfos.length == 0) {
      String msg = format("No matching device was found for port '%s' (regex:%s)", portName, regex);
      throw new CliException(msg);
    }
    return matchedInfos;
  }
}














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.symfonion.tests.cli.subcommands.HelpTest.whenHelp_thenLooksOk(com.github.dakusui.symfonion.tests.cli.subcommands.HelpTest) (32 ms)
com.github.dakusui.symfonion.tests.CliSmokeTest.givenThreeStrokes_whenPlaySubcommandIsInvoked_thenPlayed(com.github.dakusui.symfonion.tests.CliSmokeTest) (201 ms)
com.github.dakusui.symfonion.tests.cli.subcommands.ListDevicesTest.whenListDevices_thenLooksOk(com.github.dakusui.symfonion.tests.cli.subcommands.ListDevicesTest) (207 ms)
com.github.dakusui.symfonion.tests.CliTest.whenList(com.github.dakusui.symfonion.tests.CliTest) (217 ms)
com.github.dakusui.symfonion.tests.cli.subcommands.PatchBayTest.whenPatchBay_thenOutputLooksOk(com.github.dakusui.symfonion.tests.cli.subcommands.PatchBayTest) (414 ms)

Report generated by PIT 1.15.3

1		package com.github.dakusui.symfonion.utils.midi;
2
3		import com.github.dakusui.symfonion.exceptions.CliException;
4
5		import javax.sound.midi.MidiDevice;
6		import javax.sound.midi.MidiSystem;
7		import java.io.PrintStream;
8		import java.util.Arrays;
9		import java.util.regex.Pattern;
10		import java.util.stream.Stream;
11
12		import static java.lang.String.format;
13
14		public enum MidiUtils {
15		;
16
17		public static Stream<MidiDevice.Info> streamMidiDeviceInfo() {
18	1 1. streamMidiDeviceInfo : replaced return value with Stream.empty for com/github/dakusui/symfonion/utils/midi/MidiUtils::streamMidiDeviceInfo → KILLED	return Arrays.stream(MidiSystem.getMidiDeviceInfo());
19		}
20
21		public static String formatMidiDeviceInfo(MidiDevice.Info info) {
22	1 1. formatMidiDeviceInfo : replaced return value with "" for com/github/dakusui/symfonion/utils/midi/MidiUtils::formatMidiDeviceInfo → SURVIVED	return String.format("%-25s %-15s %-35s", info.getName(), info.getVersion(), info.getVendor());
23		}
24
25		public static boolean isMidiDeviceForInput(MidiDevice.Info device) {
26		Object tmp = null;
27		try {
28		MidiDevice dev = MidiSystem.getMidiDevice(device);
29		try (dev) {
30	1 1. isMidiDeviceForInput : removed call to javax/sound/midi/MidiDevice::open → SURVIVED	dev.open();
31		tmp = dev.getTransmitter();
32		}
33		} catch (Exception ignored) {
34		}
35	2 1. isMidiDeviceForInput : replaced boolean return with true for com/github/dakusui/symfonion/utils/midi/MidiUtils::isMidiDeviceForInput → SURVIVED 2. isMidiDeviceForInput : negated conditional → KILLED	return tmp != null;
36		}
37
38		public static boolean isMidiDeviceForOutput(MidiDevice.Info info) {
39		Object tmp = null;
40		try {
41		MidiDevice dev = MidiSystem.getMidiDevice(info);
42		try (dev) {
43	1 1. isMidiDeviceForOutput : removed call to javax/sound/midi/MidiDevice::open → SURVIVED	dev.open();
44		tmp = dev.getReceiver();
45		}
46		} catch (Exception ignored) {
47		}
48	2 1. isMidiDeviceForOutput : negated conditional → SURVIVED 2. isMidiDeviceForOutput : replaced boolean return with true for com/github/dakusui/symfonion/utils/midi/MidiUtils::isMidiDeviceForOutput → SURVIVED	return tmp != null;
49		}
50
51		public static MidiDeviceScanner chooseOutputDevices(
52		PrintStream ps, Pattern regex) {
53	1 1. chooseOutputDevices : replaced return value with null for com/github/dakusui/symfonion/utils/midi/MidiUtils::chooseOutputDevices → NO_COVERAGE	return new MidiDeviceScanner.RegexMidiDeviceScanner(ps, regex) {
54		@Override
55		protected String getTitle() {
56	1 1. getTitle : replaced return value with "" for com/github/dakusui/symfonion/utils/midi/MidiUtils$1::getTitle → NO_COVERAGE	return "MIDI-out devices";
57		}
58
59		@Override
60		protected boolean matches(MidiDevice.Info device) {
61	3 1. matches : replaced boolean return with true for com/github/dakusui/symfonion/utils/midi/MidiUtils$1::matches → NO_COVERAGE 2. matches : negated conditional → NO_COVERAGE 3. matches : negated conditional → NO_COVERAGE	return super.matches(device) && isMidiDeviceForOutput(device);
62		}
63		};
64		}
65
66		public static MidiDevice.Info[] getInfos(String portName, MidiDeviceScanner scanner, Pattern regex) throws CliException {
67		MidiDevice.Info[] matchedInfos = scanner.getMatchedDevices();
68	2 1. getInfos : negated conditional → NO_COVERAGE 2. getInfos : changed conditional boundary → NO_COVERAGE	if (matchedInfos.length > 1) {
69		String msg = format("Device for port '%s' (regex:%s) wasn't unique (%d)", portName, regex, matchedInfos.length);
70		throw new CliException(msg);
71	1 1. getInfos : negated conditional → NO_COVERAGE	} else if (matchedInfos.length == 0) {
72		String msg = format("No matching device was found for port '%s' (regex:%s)", portName, regex);
73		throw new CliException(msg);
74		}
75	1 1. getInfos : replaced return value with null for com/github/dakusui/symfonion/utils/midi/MidiUtils::getInfos → NO_COVERAGE	return matchedInfos;
76		}
77		}
		Mutations
18		1.1 Location : streamMidiDeviceInfo Killed by : com.github.dakusui.symfonion.tests.cli.subcommands.PatchBayTest.whenPatchBay_thenOutputLooksOk(com.github.dakusui.symfonion.tests.cli.subcommands.PatchBayTest) replaced return value with Stream.empty for com/github/dakusui/symfonion/utils/midi/MidiUtils::streamMidiDeviceInfo → KILLED
22		1.1 Location : formatMidiDeviceInfo Killed by : none replaced return value with "" for com/github/dakusui/symfonion/utils/midi/MidiUtils::formatMidiDeviceInfo → SURVIVED
30		1.1 Location : isMidiDeviceForInput Killed by : none removed call to javax/sound/midi/MidiDevice::open → SURVIVED
35		1.1 Location : isMidiDeviceForInput Killed by : com.github.dakusui.symfonion.tests.cli.subcommands.PatchBayTest.whenPatchBay_thenOutputLooksOk(com.github.dakusui.symfonion.tests.cli.subcommands.PatchBayTest) negated conditional → KILLED 2.2 Location : isMidiDeviceForInput Killed by : none replaced boolean return with true for com/github/dakusui/symfonion/utils/midi/MidiUtils::isMidiDeviceForInput → SURVIVED
43		1.1 Location : isMidiDeviceForOutput Killed by : none removed call to javax/sound/midi/MidiDevice::open → SURVIVED
48		1.1 Location : isMidiDeviceForOutput Killed by : none negated conditional → SURVIVED 2.2 Location : isMidiDeviceForOutput Killed by : none replaced boolean return with true for com/github/dakusui/symfonion/utils/midi/MidiUtils::isMidiDeviceForOutput → SURVIVED
53		1.1 Location : chooseOutputDevices Killed by : none replaced return value with null for com/github/dakusui/symfonion/utils/midi/MidiUtils::chooseOutputDevices → NO_COVERAGE
56		1.1 Location : getTitle Killed by : none replaced return value with "" for com/github/dakusui/symfonion/utils/midi/MidiUtils$1::getTitle → NO_COVERAGE
61		1.1 Location : matches Killed by : none replaced boolean return with true for com/github/dakusui/symfonion/utils/midi/MidiUtils$1::matches → NO_COVERAGE 2.2 Location : matches Killed by : none negated conditional → NO_COVERAGE 3.3 Location : matches Killed by : none negated conditional → NO_COVERAGE
68		1.1 Location : getInfos Killed by : none negated conditional → NO_COVERAGE 2.2 Location : getInfos Killed by : none changed conditional boundary → NO_COVERAGE
71		1.1 Location : getInfos Killed by : none negated conditional → NO_COVERAGE
75		1.1 Location : getInfos Killed by : none replaced return value with null for com/github/dakusui/symfonion/utils/midi/MidiUtils::getInfos → NO_COVERAGE

MidiUtils.java

Mutations

Active mutators

Tests examined