150 lines
8.8 KiB
Python
Executable File
150 lines
8.8 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2019 Nordic Semiconductor ASA
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# SPDX-License-Identifier: BSD-3-Clause
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import edtlib
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# Test suite for edtlib.py. Mostly uses string comparisons via the various
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# __repr__() methods. Can be run directly as an executable.
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#
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# This script expects to be run from the directory its in. This simplifies
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# things, as paths in the output can be assumed below.
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#
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# test.dts is the test file, and test-bindings/ has bindings.
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def run():
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"""
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Runs all edtlib tests. Immediately exits with status 1 and a message on
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stderr on test suite failures.
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"""
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def fail(msg):
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raise Exception("test failed: " + msg)
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def verify_streq(actual, expected):
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actual = str(actual)
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if actual != expected:
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# Put values on separate lines to make it easy to spot differences
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fail("not equal (expected value last):\n'{}'\n'{}'"
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.format(actual, expected))
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edt = edtlib.EDT("test.dts", ["test-bindings"])
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#
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# Test interrupts
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#
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verify_streq(edt.get_dev("/interrupt-parent-test/node").interrupts,
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"[<Interrupt, name: foo, target: <Device /interrupt-parent-test/controller in 'test.dts', binding test-bindings/interrupt-3-cell.yaml>, specifier: {'one': 1, 'two': 2, 'three': 3}>, <Interrupt, name: bar, target: <Device /interrupt-parent-test/controller in 'test.dts', binding test-bindings/interrupt-3-cell.yaml>, specifier: {'one': 4, 'two': 5, 'three': 6}>]")
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verify_streq(edt.get_dev("/interrupts-extended-test/node").interrupts,
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"[<Interrupt, target: <Device /interrupts-extended-test/controller-0 in 'test.dts', binding test-bindings/interrupt-1-cell.yaml>, specifier: {'one': 1}>, <Interrupt, target: <Device /interrupts-extended-test/controller-1 in 'test.dts', binding test-bindings/interrupt-2-cell.yaml>, specifier: {'one': 2, 'two': 3}>, <Interrupt, target: <Device /interrupts-extended-test/controller-2 in 'test.dts', binding test-bindings/interrupt-3-cell.yaml>, specifier: {'one': 4, 'two': 5, 'three': 6}>]")
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verify_streq(edt.get_dev("/interrupt-map-test/node@0").interrupts,
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"[<Interrupt, target: <Device /interrupt-map-test/controller-0 in 'test.dts', binding test-bindings/interrupt-1-cell.yaml>, specifier: {'one': 0}>, <Interrupt, target: <Device /interrupt-map-test/controller-1 in 'test.dts', binding test-bindings/interrupt-2-cell.yaml>, specifier: {'one': 0, 'two': 1}>, <Interrupt, target: <Device /interrupt-map-test/controller-2 in 'test.dts', binding test-bindings/interrupt-3-cell.yaml>, specifier: {'one': 0, 'two': 0, 'three': 2}>]")
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verify_streq(edt.get_dev("/interrupt-map-test/node@1").interrupts,
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"[<Interrupt, target: <Device /interrupt-map-test/controller-0 in 'test.dts', binding test-bindings/interrupt-1-cell.yaml>, specifier: {'one': 3}>, <Interrupt, target: <Device /interrupt-map-test/controller-1 in 'test.dts', binding test-bindings/interrupt-2-cell.yaml>, specifier: {'one': 0, 'two': 4}>, <Interrupt, target: <Device /interrupt-map-test/controller-2 in 'test.dts', binding test-bindings/interrupt-3-cell.yaml>, specifier: {'one': 0, 'two': 0, 'three': 5}>]")
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verify_streq(edt.get_dev("/interrupt-map-bitops-test/node@70000000E").interrupts,
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"[<Interrupt, target: <Device /interrupt-map-bitops-test/controller in 'test.dts', binding test-bindings/interrupt-2-cell.yaml>, specifier: {'one': 3, 'two': 2}>]")
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#
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# Test GPIOs
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#
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verify_streq(edt.get_dev("/gpio-test/node").gpios,
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"{'': [<GPIO, name: , target: <Device /gpio-test/controller-0 in 'test.dts', binding test-bindings/gpio-1-cell.yaml>, specifier: {'one': 1}>, <GPIO, name: , target: <Device /gpio-test/controller-1 in 'test.dts', binding test-bindings/gpio-2-cell.yaml>, specifier: {'one': 2, 'two': 3}>], 'foo': [<GPIO, name: foo, target: <Device /gpio-test/controller-1 in 'test.dts', binding test-bindings/gpio-2-cell.yaml>, specifier: {'one': 4, 'two': 5}>], 'bar': [<GPIO, name: bar, target: <Device /gpio-test/controller-1 in 'test.dts', binding test-bindings/gpio-2-cell.yaml>, specifier: {'one': 6, 'two': 7}>]}")
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#
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# Test clocks
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#
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verify_streq(edt.get_dev("/clock-test/node").clocks,
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"[<Clock, name: fixed, frequency: 123, target: <Device /clock-test/fixed-clock in 'test.dts', binding test-bindings/fixed-clock.yaml>, specifier: {}>, <Clock, name: one-cell, target: <Device /clock-test/clock-1 in 'test.dts', binding test-bindings/clock-1-cell.yaml>, specifier: {'one': 1}>, <Clock, name: two-cell, target: <Device /clock-test/clock-2 in 'test.dts', binding test-bindings/clock-2-cell.yaml>, specifier: {'one': 1, 'two': 2}>]")
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#
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# Test PWMs
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#
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verify_streq(edt.get_dev("/pwm-test/node").pwms,
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"[<PWM, name: zero-cell, target: <Device /pwm-test/pwm-0 in 'test.dts', binding test-bindings/pwm-0-cell.yaml>, specifier: {}>, <PWM, name: one-cell, target: <Device /pwm-test/pwm-1 in 'test.dts', binding test-bindings/pwm-1-cell.yaml>, specifier: {'one': 1}>]")
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#
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# Test IO channels
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#
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verify_streq(edt.get_dev("/io-channel-test/node").iochannels,
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"[<IOChannel, name: io-channel, target: <Device /io-channel-test/io-channel in 'test.dts', binding test-bindings/io-channel.yaml>, specifier: {'one': 1}>]")
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#
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# Test 'reg'
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#
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verify_streq(edt.get_dev("/reg-zero-address-cells/node").regs,
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"[<Register, addr: 0x0, size: 0x1>, <Register, addr: 0x0, size: 0x2>]")
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verify_streq(edt.get_dev("/reg-zero-size-cells/node").regs,
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"[<Register, addr: 0x1, size: 0x0>, <Register, addr: 0x2, size: 0x0>]")
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verify_streq(edt.get_dev("/reg-ranges/parent/node").regs,
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"[<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>]")
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verify_streq(edt.get_dev("/reg-nested-ranges/grandparent/parent/node").regs,
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"[<Register, addr: 0x30000000200000001, size: 0x1>]")
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#
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# Test 'include:' and the legacy 'inherits: !include ...'
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#
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verify_streq(edt.get_dev("/binding-include").description,
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"Parent binding")
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verify_streq(edt.get_dev("/binding-include").props,
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"{'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>}")
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#
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# Test 'sub-node:' in binding
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#
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verify_streq(edt.get_dev("/parent-with-sub-node/node").description,
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"Sub-node test")
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verify_streq(edt.get_dev("/parent-with-sub-node/node").props,
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"{'foo': <Property, name: foo, type: int, value: 1>, 'bar': <Property, name: bar, type: int, value: 2>}")
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#
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# Test Device.property (derived from DT and 'properties:' in the binding)
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#
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verify_streq(edt.get_dev("/props").props,
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r"{'nonexistent-boolean': <Property, name: nonexistent-boolean, type: boolean, value: False>, 'existent-boolean': <Property, name: existent-boolean, type: boolean, value: True>, 'int': <Property, name: int, type: int, value: 1>, 'array': <Property, name: array, type: array, value: [1, 2, 3]>, 'uint8-array': <Property, name: uint8-array, type: uint8-array, value: b'\x124'>, 'string': <Property, name: string, type: string, value: 'foo'>, 'string-array': <Property, name: string-array, type: string-array, value: ['foo', 'bar', 'baz']>, 'phandle-ref': <Property, name: phandle-ref, type: phandle, value: <Device /props/node in 'test.dts', no binding>>, 'phandle-refs': <Property, name: phandle-refs, type: phandles, value: [<Device /props/node in 'test.dts', no binding>, <Device /props/node2 in 'test.dts', no binding>]>}")
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#
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# Test property default values given in bindings
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#
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verify_streq(edt.get_dev("/defaults").props,
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r"{'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>}")
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#
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# Test having multiple directories with bindings, with a different .dts file
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#
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edt = edtlib.EDT("test-multidir.dts", ["test-bindings", "test-bindings-2"])
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verify_streq(edt.get_dev("/in-dir-1").binding_path,
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"test-bindings/multidir.yaml")
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verify_streq(edt.get_dev("/in-dir-2").binding_path,
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"test-bindings-2/multidir.yaml")
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print("all tests passed")
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if __name__ == "__main__":
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run()
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