[Buildroot] [PATCH] support/testing: add test for pixz

["Vincent Stehlé via buildroot" <buildroot@buildroot.org>]

Add a simple compress-uncompress test to verify that pixz is working.

Signed-off-by: Vincent Stehlé <vincent.stehle@laposte.net>
---


Hi,

I have verified that this test works fine locally and on gitlab.
Best regards,

Vincent.


 DEVELOPERS                                 |  1 +
 support/testing/tests/package/test_pixz.py | 40 ++++++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 support/testing/tests/package/test_pixz.py

diff --git a/DEVELOPERS b/DEVELOPERS
index 0afd697b6c..9a740d650d 100644
--- a/DEVELOPERS
+++ b/DEVELOPERS
@@ -2917,6 +2917,7 @@ F:	configs/uevm5432_defconfig
 F:	package/i7z/
 F:	package/msr-tools/
 F:	package/pixz/
+F:	support/testing/tests/package/test_pixz.py
 
 N:	Vinicius Tinti <viniciustinti@gmail.com>
 F:	package/python-thrift/
diff --git a/support/testing/tests/package/test_pixz.py b/support/testing/tests/package/test_pixz.py
new file mode 100644
index 0000000000..eeff10eaa1
--- /dev/null
+++ b/support/testing/tests/package/test_pixz.py
@@ -0,0 +1,40 @@
+import os
+
+import infra.basetest
+
+
+class TestPixz(infra.basetest.BRTest):
+    config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
+        """
+        BR2_PACKAGE_PIXZ=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()
+
+        # Prepare input file with random data and zeroes.
+        # We keep the size small (4 MB) for the sake of test time.
+        cmd = "dd if=/dev/urandom of=orig bs=1M count=2 && " \
+              "dd if=/dev/zero of=orig bs=1M count=2 seek=2"
+        self.assertRunOk(cmd)
+
+        # Compress.
+        # We ask for 3 threads for good measure but with a very small file on a
+        # uniprocessor qemu this is only a light validation.
+        cmd = "cp -v orig compressed && pixz -p 3 compressed"
+        self.assertRunOk(cmd, timeout=60)
+
+        # Uncompress.
+        cmd = "cp -v compressed.xz uncompressed.xz && pixz -d uncompressed.xz"
+        self.assertRunOk(cmd)
+
+        # Verify.
+        # The ls is there for debugging.
+        cmd = "ls -l && cmp orig uncompressed"
+        self.assertRunOk(cmd)
-- 
2.35.1

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