micropython: add micropython component

2022-09-29 12:10:37 +08:00
parent 1514f1cb9b
commit dd76146324
2679 changed files with 354110 additions and 0 deletions
--- a/components/language/micropython/tests/extmod/vfs_fat_ramdisk.py
+++ b/components/language/micropython/tests/extmod/vfs_fat_ramdisk.py
@@ -0,0 +1,97 @@
+try:
+    import uerrno
+    import uos
+except ImportError:
+    print("SKIP")
+    raise SystemExit
+
+try:
+    uos.VfsFat
+except AttributeError:
+    print("SKIP")
+    raise SystemExit
+
+
+class RAMFS:
+
+    SEC_SIZE = 512
+
+    def __init__(self, blocks):
+        self.data = bytearray(blocks * self.SEC_SIZE)
+
+    def readblocks(self, n, buf):
+        # print("readblocks(%s, %x(%d))" % (n, id(buf), len(buf)))
+        for i in range(len(buf)):
+            buf[i] = self.data[n * self.SEC_SIZE + i]
+
+    def writeblocks(self, n, buf):
+        # print("writeblocks(%s, %x)" % (n, id(buf)))
+        for i in range(len(buf)):
+            self.data[n * self.SEC_SIZE + i] = buf[i]
+
+    def ioctl(self, op, arg):
+        # print("ioctl(%d, %r)" % (op, arg))
+        if op == 4:  # MP_BLOCKDEV_IOCTL_BLOCK_COUNT
+            return len(self.data) // self.SEC_SIZE
+        if op == 5:  # MP_BLOCKDEV_IOCTL_BLOCK_SIZE
+            return self.SEC_SIZE
+
+
+try:
+    bdev = RAMFS(50)
+except MemoryError:
+    print("SKIP")
+    raise SystemExit
+
+uos.VfsFat.mkfs(bdev)
+
+print(b"FOO_FILETXT" not in bdev.data)
+print(b"hello!" not in bdev.data)
+
+vfs = uos.VfsFat(bdev)
+uos.mount(vfs, "/ramdisk")
+
+print("statvfs:", vfs.statvfs("/ramdisk"))
+print("getcwd:", vfs.getcwd())
+
+try:
+    vfs.stat("no_file.txt")
+except OSError as e:
+    print(e.errno == uerrno.ENOENT)
+
+with vfs.open("foo_file.txt", "w") as f:
+    f.write("hello!")
+print(list(vfs.ilistdir()))
+
+print("stat root:", vfs.stat("/")[:-3])  # timestamps differ across runs
+print("stat file:", vfs.stat("foo_file.txt")[:-3])  # timestamps differ across runs
+
+print(b"FOO_FILETXT" in bdev.data)
+print(b"hello!" in bdev.data)
+
+vfs.mkdir("foo_dir")
+vfs.chdir("foo_dir")
+print("getcwd:", vfs.getcwd())
+print(list(vfs.ilistdir()))
+
+with vfs.open("sub_file.txt", "w") as f:
+    f.write("subdir file")
+
+try:
+    vfs.chdir("sub_file.txt")
+except OSError as e:
+    print(e.errno == uerrno.ENOENT)
+
+vfs.chdir("..")
+print("getcwd:", vfs.getcwd())
+
+uos.umount(vfs)
+
+vfs = uos.VfsFat(bdev)
+print(list(vfs.ilistdir(b"")))
+
+# list a non-existent directory
+try:
+    vfs.ilistdir(b"no_exist")
+except OSError as e:
+    print("ENOENT:", e.errno == uerrno.ENOENT)