| #!/usr/bin/env python3 |
| |
| # Copyright (c) 2019 Nordic Semiconductor ASA |
| # SPDX-License-Identifier: BSD-3-Clause |
| |
| import io |
| import os |
| import sys |
| |
| import edtlib |
| |
| # Test suite for edtlib.py. Run it directly as an executable, in this |
| # directory: |
| # |
| # $ ./testedtlib.py |
| # |
| # test.dts is the main test file. test-bindings/ and test-bindings-2/ has |
| # bindings. The tests mostly use string comparisons via the various __repr__() |
| # methods. |
| |
| |
| def run(): |
| """ |
| Runs all edtlib tests. Immediately exits with status 1 and a message on |
| stderr on test suite failures. |
| """ |
| |
| warnings = io.StringIO() |
| edt = edtlib.EDT("test.dts", ["test-bindings"], warnings) |
| |
| # Verify warnings |
| verify_eq(warnings.getvalue(), """\ |
| warning: unit address and first address in 'reg' (0x1) don't match for /reg-zero-size-cells/node |
| warning: unit address and first address in 'reg' (0x5) don't match for /reg-ranges/parent/node |
| warning: unit address and first address in 'reg' (0x30000000200000001) don't match for /reg-nested-ranges/grandparent/parent/node |
| """) |
| |
| # |
| # Test interrupts |
| # |
| |
| verify_streq(edt.get_node("/interrupt-parent-test/node").interrupts, |
| "[<ControllerAndData, name: foo, controller: <Node /interrupt-parent-test/controller in 'test.dts', binding test-bindings/interrupt-3-cell.yaml>, data: OrderedDict([('one', 1), ('two', 2), ('three', 3)])>, <ControllerAndData, name: bar, controller: <Node /interrupt-parent-test/controller in 'test.dts', binding test-bindings/interrupt-3-cell.yaml>, data: OrderedDict([('one', 4), ('two', 5), ('three', 6)])>]") |
| |
| verify_streq(edt.get_node("/interrupts-extended-test/node").interrupts, |
| "[<ControllerAndData, controller: <Node /interrupts-extended-test/controller-0 in 'test.dts', binding test-bindings/interrupt-1-cell.yaml>, data: OrderedDict([('one', 1)])>, <ControllerAndData, controller: <Node /interrupts-extended-test/controller-1 in 'test.dts', binding test-bindings/interrupt-2-cell.yaml>, data: OrderedDict([('one', 2), ('two', 3)])>, <ControllerAndData, controller: <Node /interrupts-extended-test/controller-2 in 'test.dts', binding test-bindings/interrupt-3-cell.yaml>, data: OrderedDict([('one', 4), ('two', 5), ('three', 6)])>]") |
| |
| verify_streq(edt.get_node("/interrupt-map-test/node@0").interrupts, |
| "[<ControllerAndData, controller: <Node /interrupt-map-test/controller-0 in 'test.dts', binding test-bindings/interrupt-1-cell.yaml>, data: OrderedDict([('one', 0)])>, <ControllerAndData, controller: <Node /interrupt-map-test/controller-1 in 'test.dts', binding test-bindings/interrupt-2-cell.yaml>, data: OrderedDict([('one', 0), ('two', 1)])>, <ControllerAndData, controller: <Node /interrupt-map-test/controller-2 in 'test.dts', binding test-bindings/interrupt-3-cell.yaml>, data: OrderedDict([('one', 0), ('two', 0), ('three', 2)])>]") |
| |
| verify_streq(edt.get_node("/interrupt-map-test/node@1").interrupts, |
| "[<ControllerAndData, controller: <Node /interrupt-map-test/controller-0 in 'test.dts', binding test-bindings/interrupt-1-cell.yaml>, data: OrderedDict([('one', 3)])>, <ControllerAndData, controller: <Node /interrupt-map-test/controller-1 in 'test.dts', binding test-bindings/interrupt-2-cell.yaml>, data: OrderedDict([('one', 0), ('two', 4)])>, <ControllerAndData, controller: <Node /interrupt-map-test/controller-2 in 'test.dts', binding test-bindings/interrupt-3-cell.yaml>, data: OrderedDict([('one', 0), ('two', 0), ('three', 5)])>]") |
| |
| verify_streq(edt.get_node("/interrupt-map-bitops-test/node@70000000E").interrupts, |
| "[<ControllerAndData, controller: <Node /interrupt-map-bitops-test/controller in 'test.dts', binding test-bindings/interrupt-2-cell.yaml>, data: OrderedDict([('one', 3), ('two', 2)])>]") |
| |
| # |
| # Test 'reg' |
| # |
| |
| verify_streq(edt.get_node("/reg-zero-address-cells/node").regs, |
| "[<Register, size: 0x1>, <Register, size: 0x2>]") |
| |
| verify_streq(edt.get_node("/reg-zero-size-cells/node").regs, |
| "[<Register, addr: 0x1>, <Register, addr: 0x2>]") |
| |
| verify_streq(edt.get_node("/reg-ranges/parent/node").regs, |
| "[<Register, addr: 0x5, size: 0x1>, <Register, addr: 0xe0000000f, size: 0x1>, <Register, addr: 0xc0000000e, size: 0x1>, <Register, addr: 0xc0000000d, size: 0x1>, <Register, addr: 0xa0000000b, size: 0x1>, <Register, addr: 0x0, size: 0x1>]") |
| |
| verify_streq(edt.get_node("/reg-nested-ranges/grandparent/parent/node").regs, |
| "[<Register, addr: 0x30000000200000001, size: 0x1>]") |
| |
| # |
| # Test 'pinctrl-<index>' |
| # |
| |
| verify_streq(edt.get_node("/pinctrl/dev").pinctrls, |
| "[<PinCtrl, name: zero, configuration nodes: []>, <PinCtrl, name: one, configuration nodes: [<Node /pinctrl/pincontroller/state-1 in 'test.dts', no binding>]>, <PinCtrl, name: two, configuration nodes: [<Node /pinctrl/pincontroller/state-1 in 'test.dts', no binding>, <Node /pinctrl/pincontroller/state-2 in 'test.dts', no binding>]>]") |
| |
| # |
| # Test Node.parent and Node.children |
| # |
| |
| verify_eq(edt.get_node("/").parent, None) |
| |
| verify_streq(edt.get_node("/parent/child-1").parent, |
| "<Node /parent in 'test.dts', no binding>") |
| |
| verify_streq(edt.get_node("/parent/child-2/grandchild").parent, |
| "<Node /parent/child-2 in 'test.dts', no binding>") |
| |
| verify_streq(edt.get_node("/parent").children, |
| "OrderedDict([('child-1', <Node /parent/child-1 in 'test.dts', no binding>), ('child-2', <Node /parent/child-2 in 'test.dts', no binding>)])") |
| |
| verify_eq(edt.get_node("/parent/child-1").children, {}) |
| |
| # |
| # Test 'include:' and the legacy 'inherits: !include ...' |
| # |
| |
| verify_streq(edt.get_node("/binding-include").description, |
| "Parent binding") |
| |
| verify_streq(edt.get_node("/binding-include").props, |
| "OrderedDict([('foo', <Property, name: foo, type: int, value: 0>), ('bar', <Property, name: bar, type: int, value: 1>), ('baz', <Property, name: baz, type: int, value: 2>), ('qaz', <Property, name: qaz, type: int, value: 3>)])") |
| |
| # |
| # Test 'bus:' and 'on-bus:' |
| # |
| |
| verify_eq(edt.get_node("/buses/foo-bus").bus, "foo") |
| # foo-bus does not itself appear on a bus |
| verify_eq(edt.get_node("/buses/foo-bus").on_bus, None) |
| verify_eq(edt.get_node("/buses/foo-bus").bus_node, None) |
| |
| # foo-bus/node is not a bus node... |
| verify_eq(edt.get_node("/buses/foo-bus/node").bus, None) |
| # ...but is on a bus |
| verify_eq(edt.get_node("/buses/foo-bus/node").on_bus, "foo") |
| verify_eq(edt.get_node("/buses/foo-bus/node").bus_node.path, |
| "/buses/foo-bus") |
| |
| # Same compatible string, but different bindings from being on different |
| # buses |
| verify_streq(edt.get_node("/buses/foo-bus/node").binding_path, |
| "test-bindings/device-on-foo-bus.yaml") |
| verify_streq(edt.get_node("/buses/bar-bus/node").binding_path, |
| "test-bindings/device-on-bar-bus.yaml") |
| |
| # foo-bus/node/nested also appears on the foo-bus bus |
| verify_eq(edt.get_node("/buses/foo-bus/node/nested").on_bus, "foo") |
| verify_streq(edt.get_node("/buses/foo-bus/node/nested").binding_path, |
| "test-bindings/device-on-foo-bus.yaml") |
| |
| # |
| # Test 'child-binding:' |
| # |
| |
| child1 = edt.get_node("/child-binding/child-1") |
| child2 = edt.get_node("/child-binding/child-2") |
| grandchild = edt.get_node("/child-binding/child-1/grandchild") |
| |
| verify_streq(child1.binding_path, "test-bindings/child-binding.yaml") |
| verify_streq(child1.description, "child node") |
| verify_streq(child1.props, "OrderedDict([('child-prop', <Property, name: child-prop, type: int, value: 1>)])") |
| |
| verify_streq(child2.binding_path, "test-bindings/child-binding.yaml") |
| verify_streq(child2.description, "child node") |
| verify_streq(child2.props, "OrderedDict([('child-prop', <Property, name: child-prop, type: int, value: 3>)])") |
| |
| verify_streq(grandchild.binding_path, "test-bindings/child-binding.yaml") |
| verify_streq(grandchild.description, "grandchild node") |
| verify_streq(grandchild.props, "OrderedDict([('grandchild-prop', <Property, name: grandchild-prop, type: int, value: 2>)])") |
| |
| # |
| # Test EDT.compat2enabled |
| # |
| |
| verify_streq(edt.compat2enabled["compat2enabled"], "[<Node /compat2enabled/foo-1 in 'test.dts', no binding>, <Node /compat2enabled/foo-2 in 'test.dts', no binding>]") |
| |
| if "compat2enabled-disabled" in edt.compat2enabled: |
| fail("'compat2enabled-disabled' should not appear in edt.compat2enabled") |
| |
| # |
| # Test Node.props (derived from DT and 'properties:' in the binding) |
| # |
| |
| verify_streq(edt.get_node("/props").props["int"], |
| "<Property, name: int, type: int, value: 1>") |
| |
| verify_streq(edt.get_node("/props").props["existent-boolean"], |
| "<Property, name: existent-boolean, type: boolean, value: True>") |
| |
| verify_streq(edt.get_node("/props").props["nonexistent-boolean"], |
| "<Property, name: nonexistent-boolean, type: boolean, value: False>") |
| |
| verify_streq(edt.get_node("/props").props["array"], |
| "<Property, name: array, type: array, value: [1, 2, 3]>") |
| |
| verify_streq(edt.get_node("/props").props["uint8-array"], |
| r"<Property, name: uint8-array, type: uint8-array, value: b'\x124'>") |
| |
| verify_streq(edt.get_node("/props").props["string"], |
| "<Property, name: string, type: string, value: 'foo'>") |
| |
| verify_streq(edt.get_node("/props").props["string-array"], |
| "<Property, name: string-array, type: string-array, value: ['foo', 'bar', 'baz']>") |
| |
| verify_streq(edt.get_node("/props").props["phandle-ref"], |
| "<Property, name: phandle-ref, type: phandle, value: <Node /props/ctrl-1 in 'test.dts', binding test-bindings/phandle-array-controller-1.yaml>>") |
| |
| verify_streq(edt.get_node("/props").props["phandle-refs"], |
| "<Property, name: phandle-refs, type: phandles, value: [<Node /props/ctrl-1 in 'test.dts', binding test-bindings/phandle-array-controller-1.yaml>, <Node /props/ctrl-2 in 'test.dts', binding test-bindings/phandle-array-controller-2.yaml>]>") |
| |
| verify_streq(edt.get_node("/props").props["phandle-array-foos"], |
| "<Property, name: phandle-array-foos, type: phandle-array, value: [<ControllerAndData, controller: <Node /props/ctrl-1 in 'test.dts', binding test-bindings/phandle-array-controller-1.yaml>, data: OrderedDict([('one', 1)])>, <ControllerAndData, controller: <Node /props/ctrl-2 in 'test.dts', binding test-bindings/phandle-array-controller-2.yaml>, data: OrderedDict([('one', 2), ('two', 3)])>]>") |
| |
| verify_streq(edt.get_node("/props").props["foo-gpios"], |
| "<Property, name: foo-gpios, type: phandle-array, value: [<ControllerAndData, controller: <Node /props/ctrl-1 in 'test.dts', binding test-bindings/phandle-array-controller-1.yaml>, data: OrderedDict([('gpio-one', 1)])>]>") |
| |
| verify_streq(edt.get_node("/props").props["path"], |
| "<Property, name: path, type: path, value: <Node /props/ctrl-1 in 'test.dts', binding test-bindings/phandle-array-controller-1.yaml>>") |
| |
| # |
| # Test <prefix>-map, via gpio-map (the most common case) |
| # |
| |
| verify_streq(edt.get_node("/gpio-map/source").props["foo-gpios"], |
| "<Property, name: foo-gpios, type: phandle-array, value: [<ControllerAndData, controller: <Node /gpio-map/destination in 'test.dts', binding test-bindings/gpio-dst.yaml>, data: OrderedDict([('val', 6)])>, <ControllerAndData, controller: <Node /gpio-map/destination in 'test.dts', binding test-bindings/gpio-dst.yaml>, data: OrderedDict([('val', 5)])>]>") |
| |
| # |
| # Test property default values given in bindings |
| # |
| |
| verify_streq(edt.get_node("/defaults").props, |
| r"OrderedDict([('int', <Property, name: int, type: int, value: 123>), ('array', <Property, name: array, type: array, value: [1, 2, 3]>), ('uint8-array', <Property, name: uint8-array, type: uint8-array, value: b'\x89\xab\xcd'>), ('string', <Property, name: string, type: string, value: 'hello'>), ('string-array', <Property, name: string-array, type: string-array, value: ['hello', 'there']>), ('default-not-used', <Property, name: default-not-used, type: int, value: 234>)])") |
| |
| # |
| # Test binding inference |
| # |
| |
| verify_streq(edt.get_node("/zephyr,user").props, r"OrderedDict()") |
| |
| edt = edtlib.EDT("test.dts", ["test-bindings"], warnings, |
| infer_binding_for_paths=["/zephyr,user"]) |
| |
| verify_streq(edt.get_node("/zephyr,user").props, |
| r"OrderedDict([('boolean', <Property, name: boolean, type: boolean, value: True>), ('bytes', <Property, name: bytes, type: uint8-array, value: b'\x81\x82\x83'>), ('number', <Property, name: number, type: int, value: 23>), ('numbers', <Property, name: numbers, type: array, value: [1, 2, 3]>), ('string', <Property, name: string, type: string, value: 'text'>), ('strings', <Property, name: strings, type: string-array, value: ['a', 'b', 'c']>), ('handle', <Property, name: handle, type: phandle, value: <Node /props/ctrl-1 in 'test.dts', binding test-bindings/phandle-array-controller-1.yaml>>), ('phandles', <Property, name: phandles, type: phandles, value: [<Node /props/ctrl-1 in 'test.dts', binding test-bindings/phandle-array-controller-1.yaml>, <Node /props/ctrl-2 in 'test.dts', binding test-bindings/phandle-array-controller-2.yaml>]>), ('phandle-array-foos', <Property, name: phandle-array-foos, type: phandle-array, value: [<ControllerAndData, controller: <Node /props/ctrl-2 in 'test.dts', binding test-bindings/phandle-array-controller-2.yaml>, data: OrderedDict([('one', 1), ('two', 2)])>]>)])") |
| |
| # |
| # Test having multiple directories with bindings, with a different .dts file |
| # |
| |
| edt = edtlib.EDT("test-multidir.dts", ["test-bindings", "test-bindings-2"]) |
| |
| verify_streq(edt.get_node("/in-dir-1").binding_path, |
| "test-bindings/multidir.yaml") |
| |
| verify_streq(edt.get_node("/in-dir-2").binding_path, |
| "test-bindings-2/multidir.yaml") |
| |
| # |
| # Test dependency relations |
| # |
| |
| verify_eq(edt.get_node("/").dep_ordinal, 0) |
| verify_eq(edt.get_node("/in-dir-1").dep_ordinal, 1) |
| if edt.get_node("/") not in edt.get_node("/in-dir-1").depends_on: |
| fail("/ should be a direct dependency of /in-dir-1") |
| if edt.get_node("/in-dir-1") not in edt.get_node("/").required_by: |
| fail("/in-dir-1 should directly depend on /") |
| |
| # |
| # Test error messages from _slice() |
| # |
| |
| verify_error(""" |
| /dts-v1/; |
| |
| / { |
| #address-cells = <1>; |
| #size-cells = <2>; |
| |
| sub { |
| reg = <3>; |
| }; |
| }; |
| """, "'reg' property in <Node /sub in 'error.dts'> has length 4, which is not evenly divisible by 12 (= 4*(<#address-cells> (= 1) + <#size-cells> (= 2))). Note that #*-cells properties come either from the parent node or from the controller (in the case of 'interrupts').") |
| |
| verify_error(""" |
| /dts-v1/; |
| |
| / { |
| sub { |
| interrupts = <1>; |
| interrupt-parent = < &{/controller} >; |
| }; |
| controller { |
| interrupt-controller; |
| #interrupt-cells = <2>; |
| }; |
| }; |
| """, "'interrupts' property in <Node /sub in 'error.dts'> has length 4, which is not evenly divisible by 8 (= 4*<#interrupt-cells>). Note that #*-cells properties come either from the parent node or from the controller (in the case of 'interrupts').") |
| |
| verify_error(""" |
| /dts-v1/; |
| |
| / { |
| #address-cells = <1>; |
| |
| sub-1 { |
| #address-cells = <2>; |
| #size-cells = <3>; |
| ranges = <4 5>; |
| |
| sub-2 { |
| reg = <1 2 3 4 5>; |
| }; |
| }; |
| }; |
| """, "'ranges' property in <Node /sub-1 in 'error.dts'> has length 8, which is not evenly divisible by 24 (= 4*(<#address-cells> (= 2) + <#address-cells for parent> (= 1) + <#size-cells> (= 3))). Note that #*-cells properties come either from the parent node or from the controller (in the case of 'interrupts').") |
| |
| print("all tests passed") |
| |
| |
| def verify_error(dts, error): |
| # Verifies that parsing a file with the contents 'dts' (a string) raises an |
| # EDTError with the message 'error' |
| |
| # Could use the 'tempfile' module instead of 'error.dts', but having a |
| # consistent filename makes error messages consistent and easier to test. |
| # error.dts is kept if the test fails, which is helpful. |
| |
| with open("error.dts", "w", encoding="utf-8") as f: |
| f.write(dts) |
| f.flush() # Can't have unbuffered text IO, so flush() instead |
| try: |
| edtlib.EDT("error.dts", []) |
| except edtlib.EDTError as e: |
| if str(e) != error: |
| fail(f"expected the EDTError '{error}', got the EDTError '{e}'") |
| except Exception as e: |
| fail(f"expected the EDTError '{error}', got the {type(e).__name__} '{e}'") |
| else: |
| fail(f"expected the error '{error}', got no error") |
| |
| os.remove("error.dts") |
| |
| |
| def fail(msg): |
| sys.exit("test failed: " + msg) |
| |
| |
| def verify_eq(actual, expected): |
| if actual != expected: |
| # Put values on separate lines to make it easy to spot differences |
| fail("not equal (expected value last):\n'{}'\n'{}'" |
| .format(actual, expected)) |
| |
| |
| def verify_streq(actual, expected): |
| verify_eq(str(actual), expected) |
| |
| |
| if __name__ == "__main__": |
| run() |
