working on #223: Auto-detection of serial ports. Mac version ready even if a bit slow

app/test/processing/app/TestHelper.java

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+package processing.app;
+
+import java.io.*;
+
+public class TestHelper {
+
+  public static String inputStreamToString(InputStream is) throws IOException {
+    StringWriter sw = new StringWriter();
+
+    BufferedReader reader = new BufferedReader(new InputStreamReader(is));
+    String line;
+    try {
+      while ((line = reader.readLine()) != null) {
+        sw.append(line).append('\n');
+      }
+      return sw.toString();
+    } finally {
+      is.close();
+    }
+  }
+}

app/test/processing/app/linux/UDevAdmParserTest.java

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+package processing.app.linux;
+
+import org.junit.Test;
+import processing.app.TestHelper;
+
+import static org.junit.Assert.assertEquals;
+
+public class UDevAdmParserTest {
+
+  @Test
+  public void shouldCorrectlyParse() throws Exception {
+    String output = TestHelper.inputStreamToString(UDevAdmParserTest.class.getResourceAsStream("udev_output.txt"));
+
+    assertEquals("2341_0036", new UDevAdmParser().extractVIDAndPID(output));
+  }
+}

app/test/processing/app/linux/udev_output.txt

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+DEVLINKS=/dev/arduino_leonardo /dev/serial/by-id/usb-Arduino_LLC_Arduino_Leonardo-if00 /dev/serial/by-path/pci-0000:00:14.0-usb-0:2.3:1.0
+DEVNAME=/dev/ttyACM0
+DEVPATH=/devices/pci0000:00/0000:00:14.0/usb3/3-2/3-2.3/3-2.3:1.0/tty/ttyACM0
+ID_BUS=usb
+ID_MM_CANDIDATE=1
+ID_MODEL=Arduino_Leonardo
+ID_MODEL_ENC=Arduino\x20Leonardo
+ID_MODEL_ID=0036
+ID_PATH=pci-0000:00:14.0-usb-0:2.3:1.0
+ID_PATH_TAG=pci-0000_00_14_0-usb-0_2_3_1_0
+ID_REVISION=0001
+ID_SERIAL=Arduino_LLC_Arduino_Leonardo
+ID_TYPE=generic
+ID_USB_DRIVER=cdc_acm
+ID_USB_INTERFACES=:020201:0a0000:
+ID_USB_INTERFACE_NUM=00
+ID_VENDOR=Arduino_LLC
+ID_VENDOR_ENC=Arduino\x20LLC
+ID_VENDOR_ID=2341
+MAJOR=166
+MINOR=0
+SUBSYSTEM=tty
+UDEV_LOG=3
+USEC_INITIALIZED=21035594802

app/test/processing/app/macosx/SystemProfilerParserTest.java

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+package processing.app.macosx;
+
+import org.junit.Test;
+import processing.app.TestHelper;
+
+import static org.junit.Assert.assertEquals;
+
+public class SystemProfilerParserTest {
+
+  @Test
+  public void shouldCorrectlyParse() throws Exception {
+    String output = TestHelper.inputStreamToString(SystemProfilerParserTest.class.getResourceAsStream("system_profiler_output.txt"));
+
+    assertEquals("2341_0044", new SystemProfilerParser().extractVIDAndPID(output, "/dev/cu.usbmodemfa121"));
+    assertEquals("2341_0044", new SystemProfilerParser().extractVIDAndPID(output, "/dev/tty.usbmodemfa121"));
+  }
+}

app/test/processing/app/macosx/system_profiler_output.txt

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+USB:
+
+    USB High-Speed Bus:
+
+      Host Controller Location: Built-in USB
+      Host Controller Driver: AppleUSBEHCI
+      PCI Device ID: 0x1c2d 
+      PCI Revision ID: 0x0005 
+      PCI Vendor ID: 0x8086 
+      Bus Number: 0xfa 
+
+        Hub:
+
+          Product ID: 0x2513
+          Vendor ID: 0x0424  (SMSC)
+          Version:  b.b3
+          Speed: Up to 480 Mb/sec
+          Location ID: 0xfa100000 / 2
+          Current Available (mA): 500
+          Current Required (mA): 2
+
+            Trans-It Drive:
+
+              Capacity: 3.99 GB (3,992,977,408 bytes)
+              Removable Media: Yes
+              Detachable Drive: Yes
+              BSD Name: disk1
+              Product ID: 0x0622
+              Vendor ID: 0x0718  (Imation Corp.)
+              Version: 1.10
+              Serial Number: 0792181A2BDD
+              Speed: Up to 480 Mb/sec
+              Manufacturer: TDKMedia
+              Location ID: 0xfa130000 / 6
+              Current Available (mA): 500
+              Current Required (mA): 300
+              Partition Map Type: MBR (Master Boot Record)
+              S.M.A.R.T. status: Not Supported
+              Volumes:
+                Untitled:
+                  Capacity: 3.99 GB (3,990,379,520 bytes)
+                  Available: 1.99 GB (1,986,838,528 bytes)
+                  Writable: Yes
+                  File System: MS-DOS FAT32
+                  BSD Name: disk1s1
+                  Mount Point: /Volumes/Untitled
+                  Content: Windows_FAT_32
+
+            Arduino Mega ADK:
+
+              Product ID: 0x0044
+              Vendor ID: 0x2341
+              Version: 0.01
+              Serial Number: 64936333936351500000
+              Speed: Up to 12 Mb/sec
+              Manufacturer: Arduino (www.arduino.cc)
+              Location ID: 0xfa120000 / 5
+              Current Available (mA): 500
+              Current Required (mA): 100
+
+            BRCM20702 Hub:
+
+              Product ID: 0x4500
+              Vendor ID: 0x0a5c  (Broadcom Corp.)
+              Version: 1.00
+              Speed: Up to 12 Mb/sec
+              Manufacturer: Apple Inc.
+              Location ID: 0xfa110000 / 3
+              Current Available (mA): 500
+              Current Required (mA): 94
+
+                Bluetooth USB Host Controller:
+
+                  Product ID: 0x8281
+                  Vendor ID: 0x05ac  (Apple Inc.)
+                  Version: 0.97
+                  Speed: Up to 12 Mb/sec
+                  Manufacturer: Apple Inc.
+                  Location ID: 0xfa113000 / 4
+                  Current Available (mA): 500
+                  Current Required (mA): 0
+
+    USB High-Speed Bus:
+
+      Host Controller Location: Built-in USB
+      Host Controller Driver: AppleUSBEHCI
+      PCI Device ID: 0x7ffc00001c26 
+      PCI Revision ID: 0x7ffc00000005 
+      PCI Vendor ID: 0x7ffc00008086 
+      Bus Number: 0xfd 
+
+        Hub:
+
+          Product ID: 0x2513
+          Vendor ID: 0x0424  (SMSC)
+          Version:  b.b3
+          Speed: Up to 480 Mb/sec
+          Location ID: 0xfd100000 / 2
+          Current Available (mA): 500
+          Current Required (mA): 2
+
+            USB Multimedia Keyboard:
+
+              Product ID: 0xc311
+              Vendor ID: 0x046d  (Logitech Inc.)
+              Version: 1.30
+              Speed: Up to 1.5 Mb/sec
+              Manufacturer: BTC
+              Location ID: 0xfd120000 / 5
+              Current Available (mA): 500
+              Current Required (mA): 100
+
+            USB-PS/2 Optical Mouse:
+
+              Product ID: 0xc050
+              Vendor ID: 0x046d  (Logitech Inc.)
+              Version: 27.20
+              Speed: Up to 1.5 Mb/sec
+              Manufacturer: Logitech
+              Location ID: 0xfd130000 / 4
+              Current Available (mA): 500
+              Current Required (mA): 98
+
+            IR Receiver:
+
+              Product ID: 0x8242
+              Vendor ID: 0x05ac  (Apple Inc.)
+              Version: 0.16
+              Speed: Up to 1.5 Mb/sec
+              Manufacturer: Apple Computer, Inc.
+              Location ID: 0xfd110000 / 3
+              Current Available (mA): 500
+              Current Required (mA): 100
+