62 lines
2.1 KiB
Python
62 lines
2.1 KiB
Python
import os
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import infra.basetest
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class TestScreen(infra.basetest.BRTest):
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config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
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"""
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BR2_PACKAGE_SCREEN=y
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BR2_TARGET_ROOTFS_CPIO=y
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# BR2_TARGET_ROOTFS_TAR is not set
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"""
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def test_run(self):
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cpio_file = os.path.join(self.builddir, "images", "rootfs.cpio")
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self.emulator.boot(arch="armv5",
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kernel="builtin",
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options=["-initrd", cpio_file])
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self.emulator.login()
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session_name = "BuildrootSession"
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message = "HelloBuildroot"
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screen_dump = "screen.dump.txt"
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# Check the program can execute
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self.assertRunOk("screen --version")
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# There is no "screen" running yet. Listing sessions is
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# expected to fail.
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_, exit_code = self.emulator.run("screen -ls")
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self.assertNotEqual(exit_code, 0)
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# We now start a detached and named session.
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self.assertRunOk(f"screen -dmS {session_name}")
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# Since we are supposed to have a running session, it should
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# appear in the list.
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output, exit_code = self.emulator.run("screen -ls")
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self.assertEqual(exit_code, 0)
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self.assertIn(session_name, "\n".join(output))
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# We send an exec command to print a message in the "screen"
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# display running in background.
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cmd = f"screen -S {session_name} -X exec printf {message}"
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self.assertRunOk(cmd)
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# We request a hardcopy of this "screen" display.
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cmd = f"screen -S {session_name} -X hardcopy {screen_dump}"
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self.assertRunOk(cmd)
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# The dump file is supposed to contain our message.
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self.assertRunOk(f"grep -Fo '{message}' {screen_dump}")
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# We request "screen" to quit...
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cmd = f"screen -S {session_name} -X quit"
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self.assertRunOk(cmd)
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# Since the session is supposed to be terminated, listing
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# sessions is expected to fail (again).
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_, exit_code = self.emulator.run("screen -ls")
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self.assertNotEqual(exit_code, 0)
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