kumquat-buildroot/support/testing/tests/package/test_bash.py

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import os
import infra.basetest
class TestBash(infra.basetest.BRTest):
config = \
"""
BR2_arm=y
BR2_TOOLCHAIN_EXTERNAL=y
BR2_TOOLCHAIN_EXTERNAL_BOOTLIN=y
BR2_ENABLE_LOCALE_WHITELIST=""
BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
BR2_PACKAGE_BASH=y
BR2_TARGET_ROOTFS_CPIO=y
# BR2_TARGET_ROOTFS_TAR is not set
"""
def test_run(self):
cpio_file = os.path.join(self.builddir, "images", "rootfs.cpio")
self.emulator.boot(arch="armv5",
kernel="builtin",
options=["-initrd", cpio_file])
self.emulator.login()
# Check that we are indeed not (yet) running bash
out, _ = self.emulator.run('echo "${BASH}"')
self.assertEqual(out[0], "", "Already running bash instead of busybox' sh")
self.assertRunOk("bash -il")
# Twist! The above command is still runing, it's just that
# bash did display the prompt we expect. Check we are indeed
# actually bash
out, _ = self.emulator.run('echo "${BASH}"')
self.assertEqual(out[0], "/bin/bash", "Not running bash")
# Exit bash, back to busybox' shell
self.emulator.run("exit 0")
# Check that we are indeed no longer running bash
out, _ = self.emulator.run('echo "${BASH}"')
self.assertEqual(out[0], "", "Still running bash instead of busybox' sh")
# Try to run with a non-available locale
self.assertRunOk("LC_ALL=en_US bash -il")
out, _ = self.emulator.run('echo "${BASH}"')
self.assertEqual(out[0], "/bin/bash", "Not running bash")
self.emulator.run("exit 0")