[Buildroot] [PATCH 1/1] support/testing: add pv runtime test

* [Buildroot] [PATCH 1/1] support/testing: add pv runtime test
@ 2024-08-24 14:19 Julien Olivain
  2024-09-14 18:05 ` Thomas Petazzoni via buildroot
  2024-10-03 14:57 ` Peter Korsgaard
  0 siblings, 2 replies; 3+ messages in thread
From: Julien Olivain @ 2024-08-24 14:19 UTC (permalink / raw)
  To: buildroot; +Cc: Julien Olivain

Signed-off-by: Julien Olivain <ju.o@free.fr>
---
Patch tested in:
https://gitlab.com/jolivain/buildroot/-/jobs/7657843473
---
 DEVELOPERS                               |  1 +
 support/testing/tests/package/test_pv.py | 57 ++++++++++++++++++++++++
 2 files changed, 58 insertions(+)
 create mode 100644 support/testing/tests/package/test_pv.py

diff --git a/DEVELOPERS b/DEVELOPERS
index 426590d5c5..419c3e75ec 100644
--- a/DEVELOPERS
+++ b/DEVELOPERS
@@ -1937,6 +1937,7 @@ F:	support/testing/tests/package/test_pciutils.py
 F:	support/testing/tests/package/test_perftest.py
 F:	support/testing/tests/package/test_pigz.py
 F:	support/testing/tests/package/test_postgresql.py
+F:	support/testing/tests/package/test_pv.py
 F:	support/testing/tests/package/test_python_distro.py
 F:	support/testing/tests/package/test_python_gnupg.py
 F:	support/testing/tests/package/test_python_hkdf.py
diff --git a/support/testing/tests/package/test_pv.py b/support/testing/tests/package/test_pv.py
new file mode 100644
index 0000000000..cfa3c29392
--- /dev/null
+++ b/support/testing/tests/package/test_pv.py
@@ -0,0 +1,57 @@
+import os
+
+import infra.basetest
+
+
+class TestPv(infra.basetest.BRTest):
+    config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
+        """
+        BR2_PACKAGE_PV=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()
+
+        # We check the program can run.
+        self.assertRunOk("pv --version")
+
+        # We check that "pv" works like the "cat" command. We print a
+        # message on its standard input and redirect its output to a
+        # file. We also force the pv terminal width to 80, since
+        # "infra.emulator" is setting a large width to prevent
+        # line wrapping.
+        msg = "Hello Buildroot!"
+        out_file = "/tmp/out.txt"
+        cmd = f"echo '{msg}' | pv -w80 > {out_file}"
+        self.assertRunOk(cmd)
+
+        # We check the pv output file contains exactly our message.
+        cmd = f"cat {out_file}"
+        out, ret = self.emulator.run(cmd)
+        self.assertEqual(ret, 0)
+        self.assertEqual(out[0], msg)
+
+        # Finally, we check that "pv" correctly shows a progress
+        # bar. We print few lines, one per second into "pv" setup in
+        # line mode. We check the last pv status line contains the
+        # correct count and a "100%" string that shows completion.
+        lines = 5
+        print_ln_cmd = f"( for X in $(seq {lines}) ; do echo $X ; sleep 1 ; done )"
+        cmd = f"{print_ln_cmd} | pv -s{lines} -l -w80 > /dev/null"
+        out, ret = self.emulator.run(cmd, timeout=10)
+        self.assertEqual(ret, 0)
+        # pv updates status may contain extra spaces, and is updated
+        # with carriage return characters. We strip lines and filter
+        # out empty remaining lines, to make sure we get the last
+        # meaningful status line.
+        pv_out = [ln.strip() for ln in out]
+        pv_out = [ln for ln in pv_out if ln]
+        last_line = pv_out[-1]
+        self.assertTrue(last_line.startswith(str(lines)))
+        self.assertTrue(last_line.endswith("100%"))
-- 
2.46.0

_______________________________________________
buildroot mailing list
buildroot@buildroot.org
https://lists.buildroot.org/mailman/listinfo/buildroot

^ permalink raw reply related	[flat|nested] 3+ messages in thread