test/py: fs: add fstest/mkdir test

In this commit, test cases for mkdir interfaces are added as part of
"test_fs" test suite.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Alexander Graf <agraf@suse.de>

test/py/tests/test_fs/test_mkdir.py

@@ -0,0 +1,112 @@
+# SPDX-License-Identifier:      GPL-2.0+
+# Copyright (c) 2018, Linaro Limited
+# Author: Takahiro Akashi <takahiro.akashi@linaro.org>
+#
+# U-Boot File System:mkdir Test
+
+"""
+This test verifies mkdir operation on file system.
+"""
+
+import pytest
+
+@pytest.mark.boardspec('sandbox')
+class TestMkdir(object):
+    def test_mkdir1(self, u_boot_console, fs_obj_mkdir):
+        """
+        Test Case 1 - create a directory under a root
+        """
+        fs_type,fs_img = fs_obj_mkdir
+        with u_boot_console.log.section('Test Case 1 - mkdir'):
+            output = u_boot_console.run_command_list([
+                'host bind 0 %s' % fs_img,
+                '%smkdir host 0:0 dir1' % fs_type,
+                '%sls host 0:0 /' % fs_type])
+            assert('dir1/' in ''.join(output))
+
+            output = u_boot_console.run_command(
+                '%sls host 0:0 dir1' % fs_type)
+            assert('./'   in output)
+            assert('../'  in output)
+
+    def test_mkdir2(self, u_boot_console, fs_obj_mkdir):
+        """
+        Test Case 2 - create a directory under a sub-directory
+        """
+        fs_type,fs_img = fs_obj_mkdir
+        with u_boot_console.log.section('Test Case 2 - mkdir (sub-sub directory)'):
+            output = u_boot_console.run_command_list([
+                'host bind 0 %s' % fs_img,
+                '%smkdir host 0:0 dir1/dir2' % fs_type,
+                '%sls host 0:0 dir1' % fs_type])
+            assert('dir2/' in ''.join(output))
+
+            output = u_boot_console.run_command(
+                '%sls host 0:0 dir1/dir2' % fs_type)
+            assert('./'   in output)
+            assert('../'  in output)
+
+    def test_mkdir3(self, u_boot_console, fs_obj_mkdir):
+        """
+        Test Case 3 - trying to create a directory with a non-existing
+        path should fail
+        """
+        fs_type,fs_img = fs_obj_mkdir
+        with u_boot_console.log.section('Test Case 3 - mkdir (non-existing path)'):
+            output = u_boot_console.run_command_list([
+                'host bind 0 %s' % fs_img,
+                '%smkdir host 0:0 none/dir3' % fs_type])
+            assert('Unable to create a directory' in ''.join(output))
+
+    def test_mkdir4(self, u_boot_console, fs_obj_mkdir):
+        """
+        Test Case 4 - trying to create "." should fail
+        """
+        fs_type,fs_img = fs_obj_mkdir
+        with u_boot_console.log.section('Test Case 4 - mkdir (".")'):
+            output = u_boot_console.run_command_list([
+                'host bind 0 %s' % fs_img,
+                '%smkdir host 0:0 .' % fs_type])
+            assert('Unable to create a directory' in ''.join(output))
+
+    def test_mkdir5(self, u_boot_console, fs_obj_mkdir):
+        """
+        Test Case 5 - trying to create ".." should fail
+        """
+        fs_type,fs_img = fs_obj_mkdir
+        with u_boot_console.log.section('Test Case 5 - mkdir ("..")'):
+            output = u_boot_console.run_command_list([
+                'host bind 0 %s' % fs_img,
+                '%smkdir host 0:0 ..' % fs_type])
+            assert('Unable to create a directory' in ''.join(output))
+
+    def test_mkdir6(self, u_boot_console, fs_obj_mkdir):
+        """
+        'Test Case 6 - create as many directories as amount of directory
+        entries goes beyond a cluster size)'
+        """
+        fs_type,fs_img = fs_obj_mkdir
+        with u_boot_console.log.section('Test Case 6 - mkdir (create many)'):
+            output = u_boot_console.run_command_list([
+                'host bind 0 %s' % fs_img,
+                '%smkdir host 0:0 dir6' % fs_type,
+                '%sls host 0:0 /' % fs_type])
+            assert('dir6/' in ''.join(output))
+
+            for i in range(0, 20):
+                output = u_boot_console.run_command(
+                    '%smkdir host 0:0 dir6/0123456789abcdef%02x'
+                    % (fs_type, i))
+            output = u_boot_console.run_command('%sls host 0:0 dir6' % fs_type)
+            assert('0123456789abcdef00/'  in output)
+            assert('0123456789abcdef13/'  in output)
+
+            output = u_boot_console.run_command(
+                '%sls host 0:0 dir6/0123456789abcdef13/.' % fs_type)
+            assert('./'   in output)
+            assert('../'  in output)
+
+            output = u_boot_console.run_command(
+                '%sls host 0:0 dir6/0123456789abcdef13/..' % fs_type)
+            assert('0123456789abcdef00/'  in output)
+            assert('0123456789abcdef13/'  in output)