b492a5414e
Signed-off-by: Julien Olivain <ju.o@free.fr> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
58 lines
2.3 KiB
Python
58 lines
2.3 KiB
Python
import os
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import infra.basetest
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class TestLess(infra.basetest.BRTest):
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config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
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"""
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BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
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BR2_PACKAGE_LESS=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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# Check the program can execute. This command also checks that
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# the "less" program is from the actual "less" package, rather
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# than the Busybox implementation (the Busybox "less" applet
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# does not recognize the "--version" option and would fail).
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self.assertRunOk("less --version")
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# We create a test file.
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ref_txt = "Hello Buildroot!"
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input_fname = "input.txt"
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self.assertRunOk(f"echo \'{ref_txt}\' > {input_fname}")
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# "less" is mainly an interactive user program and uses
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# terminal control characters. This test checks a basic "less"
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# invocation in which there is no user interaction. The
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# program is expected to give back the input data.
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output, exit_code = self.emulator.run(f"less -F {input_fname}")
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self.assertEqual(exit_code, 0)
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# "less" might insert a carriage-return ^M control character,
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# which will be converted to a new-line (by the
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# str.splitlines() in Emulator.run()). We check that our
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# reference text line is in the output (rather than only
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# testing output[0]).
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self.assertIn(ref_txt, output)
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# We redo about the same test, with "less" reading stdin this
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# time. We also use the "less -o log" option to log the output
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# into a file. We expect to see our reference text on stdout.
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output_fname = "output.txt"
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cmd = f"cat {input_fname} | less -F -o {output_fname}"
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output, exit_code = self.emulator.run(cmd)
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self.assertEqual(exit_code, 0)
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self.assertIn(ref_txt, output)
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# The output file content which logged the output is also
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# expected to be the same as the input.
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self.assertRunOk(f"cmp {input_fname} {output_fname}")
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