Bump buidlroot version to 2018.02.6

bsp/buildroot/support/testing/tests/init/base.py

@@ -0,0 +1,48 @@
+import os
+import subprocess
+import infra.basetest
+
+
+class InitSystemBase(infra.basetest.BRTest):
+
+    def start_emulator(self, fs_type, kernel=None, dtb=None, init=None):
+        img = os.path.join(self.builddir, "images", "rootfs.{}".format(fs_type))
+        subprocess.call(["truncate", "-s", "%1M", img])
+
+        options = ["-drive",
+                   "file={},if=sd,format=raw".format(img),
+                   "-M", "vexpress-a9"]
+
+        if kernel is None:
+            kernel = "builtin"
+        else:
+            kernel = os.path.join(self.builddir, "images", kernel)
+            options.extend(["-dtb", os.path.join(self.builddir, "images",
+                                                 "{}.dtb".format(dtb))])
+
+        kernel_cmdline = ["root=/dev/mmcblk0",
+                          "rootfstype={}".format(fs_type),
+                          "rootwait",
+                          "ro",
+                          "console=ttyAMA0"]
+
+        if init is not None:
+            kernel_cmdline.extend(["init={}".format(init)])
+
+        self.emulator.boot(arch="armv7",
+                           kernel=kernel,
+                           kernel_cmdline=kernel_cmdline,
+                           options=options)
+
+        if init is None:
+            self.emulator.login()
+
+    def check_init(self, path):
+        cmd = "cmp /proc/1/exe {}".format(path)
+        _, exit_code = self.emulator.run(cmd)
+        self.assertEqual(exit_code, 0)
+
+    def check_network(self, interface, exitCode=0):
+        cmd = "ip addr show {} |grep inet".format(interface)
+        _, exit_code = self.emulator.run(cmd)
+        self.assertEqual(exit_code, exitCode)