[Buildroot] [PATCH 1/4] support/testing: add mtd test

* [Buildroot] [PATCH 1/4] support/testing: add mtd test
@ 2024-05-29 20:24 Brandon Maier via buildroot
  2024-05-29 20:24 ` [Buildroot] [PATCH 2/4] package/mtd: switch to https mirror Brandon Maier via buildroot
                   ` (4 more replies)
  0 siblings, 5 replies; 11+ messages in thread
From: Brandon Maier via buildroot @ 2024-05-29 20:24 UTC (permalink / raw)
  To: buildroot; +Cc: Brandon Maier

Signed-off-by: Brandon Maier <brandon.maier@collins.com>
---
 support/testing/tests/package/test_mtd.py | 48 +++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 support/testing/tests/package/test_mtd.py

diff --git a/support/testing/tests/package/test_mtd.py b/support/testing/tests/package/test_mtd.py
new file mode 100644
index 0000000000..0871ab6457
--- /dev/null
+++ b/support/testing/tests/package/test_mtd.py
@@ -0,0 +1,48 @@
+import os
+
+import infra.basetest
+
+
+class TestMtd(infra.basetest.BRTest):
+    config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
+        """
+        BR2_ENABLE_LOCALE_WHITELIST=""
+        BR2_PACKAGE_MTD=y
+        # BR2_TARGET_ROOTFS_TAR is not set
+        BR2_TARGET_ROOTFS_CPIO=y
+        """
+
+    def test_run(self):
+        cpio_file = os.path.join(self.builddir, "images", "rootfs.cpio")
+        self.emulator.boot(arch="armv7",
+                           kernel="builtin",
+                           options=["-initrd", cpio_file])
+
+        self.emulator.login()
+
+        mtd = "/dev/mtd0"
+        erasesize = 256 * 1024
+        test_sectors = 4
+        test_size = erasesize * test_sectors
+
+        output, exit_code = self.emulator.run(f"mtd_debug info {mtd}")
+        output = [x.strip() for x in output if x.strip()]
+        self.assertEqual(output, [
+            "mtd.type = MTD_NORFLASH",
+            "mtd.flags = MTD_CAP_NORFLASH",
+            "mtd.size = 134217728 (128M)",
+            "mtd.erasesize = 262144 (256K)",
+            "mtd.writesize = 1",
+            "mtd.oobsize = 0",
+            "regions = 0",
+        ])
+
+        # Test flashcp
+        self.assertRunOk(f"dd if=/dev/urandom of=random.bin bs={test_size} count=1")
+        self.assertRunOk(f"flashcp random.bin {mtd}")
+        self.assertRunOk(f"cmp -s -n {test_size} random.bin {mtd}")
+
+        # Test flash_erase
+        self.assertRunOk(f"dd if=/dev/zero bs={test_size} count=1 | tr '\\000' '\\377' >nor-erase.bin")
+        self.assertRunOk(f"flash_erase {mtd} 0 {test_sectors}")
+        self.assertRunOk(f"cmp -s -n {test_size} nor-erase.bin {mtd}")
-- 
2.45.1

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