support/testing: add usbutils runtime test

Signed-off-by: Julien Olivain <ju.o@free.fr>
[Peter: add comment about USB keyboard/mouse]
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

DEVELOPERS

@@ -1832,6 +1832,8 @@ F:	support/testing/tests/package/test_tcpdump.py
 F:	support/testing/tests/package/test_tesseract_ocr.py
 F:	support/testing/tests/package/test_trace_cmd.py
 F:	support/testing/tests/package/test_trace_cmd/
+F:	support/testing/tests/package/test_usbutils.py
+F:	support/testing/tests/package/test_usbutils/
 F:	support/testing/tests/package/test_weston.py
 F:	support/testing/tests/package/test_weston/
 F:	support/testing/tests/package/test_xz.py

support/testing/tests/package/test_usbutils.py

@@ -0,0 +1,61 @@
+import os
+
+import infra.basetest
+
+
+class TestUsbUtils(infra.basetest.BRTest):
+    # A specific configuration is needed for testing usbutils, to
+    # enable USB 2.0 support in the Kernel.
+    linux_fragment = \
+        infra.filepath("tests/package/test_usbutils/linux-usbutils.fragment")
+    config = \
+        f"""
+        BR2_aarch64=y
+        BR2_TOOLCHAIN_EXTERNAL=y
+        BR2_TARGET_GENERIC_GETTY_PORT="ttyAMA0"
+        BR2_LINUX_KERNEL=y
+        BR2_LINUX_KERNEL_CUSTOM_VERSION=y
+        BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.1.73"
+        BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
+        BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="board/qemu/aarch64-virt/linux.config"
+        BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="{linux_fragment}"
+        BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y
+        BR2_PACKAGE_EUDEV=y
+        BR2_PACKAGE_USBUTILS=y
+        BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV=y
+        BR2_TARGET_ROOTFS_CPIO=y
+        BR2_TARGET_ROOTFS_CPIO_GZIP=y
+        # BR2_TARGET_ROOTFS_TAR is not set
+        """
+
+    def test_run(self):
+        img = os.path.join(self.builddir, "images", "rootfs.cpio.gz")
+        kern = os.path.join(self.builddir, "images", "Image")
+        # We add a USB keyboard and mouse devices for the test.
+        self.emulator.boot(arch="aarch64",
+                           kernel=kern,
+                           kernel_cmdline=["console=ttyAMA0"],
+                           options=["-M", "virt", "-cpu", "cortex-a57", "-m", "256M",
+                                    "-initrd", img,
+                                    "-device", "usb-ehci,id=ehci",
+                                    "-device", "usb-kbd,bus=ehci.0",
+                                    "-device", "usb-mouse,bus=ehci.0"])
+        self.emulator.login()
+
+        # Check the program can execute. We also check the version
+        # string to make sure we have the usbutils version. The
+        # BusyBox lsusb ignores arguments.
+        output, exit_code = self.emulator.run("lsusb --version")
+        self.assertEqual(exit_code, 0)
+        self.assertTrue(output[0].startswith("lsusb (usbutils)"))
+
+        # Test few simple and common invocations
+        self.assertRunOk("lsusb")
+        self.assertRunOk("lsusb --tree")
+        self.assertRunOk("lsusb --verbose")
+        # 1d6b:0002 is Linux Foundation 2.0 root hub
+        # it should be present. lsusb return an error if no device
+        # is found.
+        self.assertRunOk("lsusb -d 1d6b:0002")
+        # we emulate a USB keyboard and mouse, so usbhid-dump should find them
+        self.assertRunOk("usbhid-dump")

support/testing/tests/package/test_usbutils/linux-usbutils.fragment

@@ -0,0 +1,2 @@
+CONFIG_USB=y
+CONFIG_USB_EHCI_HCD=y