179 lines
7.5 KiB
Python
179 lines
7.5 KiB
Python
# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
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import os.path
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import pytest
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import re
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def in_tree(response, name, uclass, drv, depth, last_child):
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lines = [x.strip() for x in response.splitlines()]
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leaf = ' ' * 4 * depth;
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if not last_child:
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leaf = leaf + '\|'
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else:
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leaf = leaf + '`'
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leaf = leaf + '-- ' + name
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line = ' *{:10.10} [0-9]* \[ [ +] \] {:20.20} {}$'.format(uclass, drv, leaf)
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prog = re.compile(line)
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for l in lines:
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if prog.match(l):
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return True
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return False
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@pytest.mark.buildconfigspec('cmd_bind')
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def test_bind_unbind_with_node(u_boot_console):
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#bind /bind-test. Device should come up as well as its children
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response = u_boot_console.run_command("bind /bind-test generic_simple_bus")
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assert response == ''
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tree = u_boot_console.run_command("dm tree")
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assert in_tree(tree, "bind-test", "simple_bus", "generic_simple_bus", 0, True)
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assert in_tree(tree, "bind-test-child1", "phy", "phy_sandbox", 1, False)
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assert in_tree(tree, "bind-test-child2", "simple_bus", "generic_simple_bus", 1, True)
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#Unbind child #1. No error expected and all devices should be there except for bind-test-child1
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response = u_boot_console.run_command("unbind /bind-test/bind-test-child1")
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assert response == ''
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tree = u_boot_console.run_command("dm tree")
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assert in_tree(tree, "bind-test", "simple_bus", "generic_simple_bus", 0, True)
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assert "bind-test-child1" not in tree
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assert in_tree(tree, "bind-test-child2", "simple_bus", "generic_simple_bus", 1, True)
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#bind child #1. No error expected and all devices should be there
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response = u_boot_console.run_command("bind /bind-test/bind-test-child1 phy_sandbox")
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assert response == ''
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tree = u_boot_console.run_command("dm tree")
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assert in_tree(tree, "bind-test", "simple_bus", "generic_simple_bus", 0, True)
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assert in_tree(tree, "bind-test-child1", "phy", "phy_sandbox", 1, True)
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assert in_tree(tree, "bind-test-child2", "simple_bus", "generic_simple_bus", 1, False)
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#Unbind child #2. No error expected and all devices should be there except for bind-test-child2
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response = u_boot_console.run_command("unbind /bind-test/bind-test-child2")
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assert response == ''
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tree = u_boot_console.run_command("dm tree")
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assert in_tree(tree, "bind-test", "simple_bus", "generic_simple_bus", 0, True)
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assert in_tree(tree, "bind-test-child1", "phy", "phy_sandbox", 1, True)
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assert "bind-test-child2" not in tree
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#Bind child #2. No error expected and all devices should be there
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response = u_boot_console.run_command("bind /bind-test/bind-test-child2 generic_simple_bus")
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assert response == ''
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tree = u_boot_console.run_command("dm tree")
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assert in_tree(tree, "bind-test", "simple_bus", "generic_simple_bus", 0, True)
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assert in_tree(tree, "bind-test-child1", "phy", "phy_sandbox", 1, False)
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assert in_tree(tree, "bind-test-child2", "simple_bus", "generic_simple_bus", 1, True)
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#Unbind parent. No error expected. All devices should be removed and unbound
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response = u_boot_console.run_command("unbind /bind-test")
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assert response == ''
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tree = u_boot_console.run_command("dm tree")
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assert "bind-test" not in tree
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assert "bind-test-child1" not in tree
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assert "bind-test-child2" not in tree
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#try binding invalid node with valid driver
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response = u_boot_console.run_command("bind /not-a-valid-node generic_simple_bus")
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assert response != ''
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tree = u_boot_console.run_command("dm tree")
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assert "not-a-valid-node" not in tree
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#try binding valid node with invalid driver
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response = u_boot_console.run_command("bind /bind-test not_a_driver")
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assert response != ''
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tree = u_boot_console.run_command("dm tree")
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assert "bind-test" not in tree
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#bind /bind-test. Device should come up as well as its children
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response = u_boot_console.run_command("bind /bind-test generic_simple_bus")
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assert response == ''
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tree = u_boot_console.run_command("dm tree")
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assert in_tree(tree, "bind-test", "simple_bus", "generic_simple_bus", 0, True)
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assert in_tree(tree, "bind-test-child1", "phy", "phy_sandbox", 1, False)
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assert in_tree(tree, "bind-test-child2", "simple_bus", "generic_simple_bus", 1, True)
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response = u_boot_console.run_command("unbind /bind-test")
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assert response == ''
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def get_next_line(tree, name):
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treelines = [x.strip() for x in tree.splitlines() if x.strip()]
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child_line = ""
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for idx, line in enumerate(treelines):
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if ("-- " + name) in line:
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try:
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child_line = treelines[idx+1]
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except:
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pass
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break
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return child_line
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@pytest.mark.buildconfigspec('cmd_bind')
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def test_bind_unbind_with_uclass(u_boot_console):
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#bind /bind-test
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response = u_boot_console.run_command("bind /bind-test generic_simple_bus")
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assert response == ''
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#make sure bind-test-child2 is there and get its uclass/index pair
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tree = u_boot_console.run_command("dm tree")
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child2_line = [x.strip() for x in tree.splitlines() if "-- bind-test-child2" in x]
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assert len(child2_line) == 1
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child2_uclass = child2_line[0].split()[0]
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child2_index = int(child2_line[0].split()[1])
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#bind generic_simple_bus as a child of bind-test-child2
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response = u_boot_console.run_command("bind {} {} generic_simple_bus".format(child2_uclass, child2_index, "generic_simple_bus"))
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#check that the child is there and its uclass/index pair is right
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tree = u_boot_console.run_command("dm tree")
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child_of_child2_line = get_next_line(tree, "bind-test-child2")
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assert child_of_child2_line
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child_of_child2_index = int(child_of_child2_line.split()[1])
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assert in_tree(tree, "generic_simple_bus", "simple_bus", "generic_simple_bus", 2, True)
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assert child_of_child2_index == child2_index + 1
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#unbind the child and check it has been removed
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response = u_boot_console.run_command("unbind simple_bus {}".format(child_of_child2_index))
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assert response == ''
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tree = u_boot_console.run_command("dm tree")
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assert in_tree(tree, "bind-test-child2", "simple_bus", "generic_simple_bus", 1, True)
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assert not in_tree(tree, "generic_simple_bus", "simple_bus", "generic_simple_bus", 2, True)
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child_of_child2_line = get_next_line(tree, "bind-test-child2")
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assert child_of_child2_line == ""
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#bind generic_simple_bus as a child of bind-test-child2
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response = u_boot_console.run_command("bind {} {} generic_simple_bus".format(child2_uclass, child2_index, "generic_simple_bus"))
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#check that the child is there and its uclass/index pair is right
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tree = u_boot_console.run_command("dm tree")
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treelines = [x.strip() for x in tree.splitlines() if x.strip()]
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child_of_child2_line = get_next_line(tree, "bind-test-child2")
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assert child_of_child2_line
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child_of_child2_index = int(child_of_child2_line.split()[1])
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assert in_tree(tree, "generic_simple_bus", "simple_bus", "generic_simple_bus", 2, True)
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assert child_of_child2_index == child2_index + 1
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#unbind the child and check it has been removed
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response = u_boot_console.run_command("unbind {} {} generic_simple_bus".format(child2_uclass, child2_index, "generic_simple_bus"))
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assert response == ''
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tree = u_boot_console.run_command("dm tree")
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assert in_tree(tree, "bind-test-child2", "simple_bus", "generic_simple_bus", 1, True)
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child_of_child2_line = get_next_line(tree, "bind-test-child2")
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assert child_of_child2_line == ""
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#unbind the child again and check it doesn't change the tree
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tree_old = u_boot_console.run_command("dm tree")
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response = u_boot_console.run_command("unbind {} {} generic_simple_bus".format(child2_uclass, child2_index, "generic_simple_bus"))
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tree_new = u_boot_console.run_command("dm tree")
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assert response == ''
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assert tree_old == tree_new
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response = u_boot_console.run_command("unbind /bind-test")
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assert response == ''
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