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https://fuchsia.googlesource.com/third_party/pigweed.googlesource.com/pigweed/pigweed
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7cabfff48d
Add a mock initiator implementation that allows tests to specify a list of expected transactions. Change-Id: Ifb5c1bedd9468202f11a380766e1ec4091055dae Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/92147 Reviewed-by: Mark Slevinsky <markslevinsky@google.com> Commit-Queue: Austin Foxley <afoxley@google.com>
96 lines
3.2 KiB
C++
96 lines
3.2 KiB
C++
// Copyright 2022 The Pigweed Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not
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// use this file except in compliance with the License. You may obtain a copy of
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// the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations under
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// the License.
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#include "pw_spi/initiator_mock.h"
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#include <array>
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#include <span>
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#include "gtest/gtest.h"
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#include "pw_bytes/array.h"
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#include "pw_bytes/span.h"
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namespace pw::spi {
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namespace {
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TEST(Transaction, Read) {
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constexpr auto kExpectRead1 = bytes::Array<1, 2, 3, 4, 5>();
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constexpr auto kExpectRead2 = bytes::Array<3, 4, 5>();
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auto expected_transactions = MakeExpectedTransactionArray(
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{MockReadTransaction(OkStatus(), kExpectRead1),
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MockReadTransaction(OkStatus(), kExpectRead2)});
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MockInitiator mocked_spi(expected_transactions);
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std::array<std::byte, kExpectRead1.size()> read1;
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EXPECT_EQ(mocked_spi.WriteRead(ConstByteSpan(), read1), OkStatus());
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EXPECT_TRUE(std::equal(
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read1.begin(), read1.end(), kExpectRead1.begin(), kExpectRead1.end()));
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std::array<std::byte, kExpectRead2.size()> read2;
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EXPECT_EQ(mocked_spi.WriteRead(ConstByteSpan(), read2), OkStatus());
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EXPECT_TRUE(std::equal(
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read2.begin(), read2.end(), kExpectRead2.begin(), kExpectRead2.end()));
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EXPECT_EQ(mocked_spi.Finalize(), OkStatus());
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}
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TEST(Transaction, Write) {
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constexpr auto kExpectWrite1 = bytes::Array<1, 2, 3, 4, 5>();
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constexpr auto kExpectWrite2 = bytes::Array<3, 4, 5>();
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auto expected_transactions = MakeExpectedTransactionArray(
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{MockWriteTransaction(OkStatus(), kExpectWrite1),
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MockWriteTransaction(OkStatus(), kExpectWrite2)});
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MockInitiator mocked_spi(expected_transactions);
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EXPECT_EQ(mocked_spi.WriteRead(kExpectWrite1, ByteSpan()), OkStatus());
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EXPECT_EQ(mocked_spi.WriteRead(kExpectWrite2, ByteSpan()), OkStatus());
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EXPECT_EQ(mocked_spi.Finalize(), OkStatus());
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}
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TEST(Transaction, WriteRead) {
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constexpr auto kExpectWrite1 = bytes::Array<1, 2, 3, 4, 5>();
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constexpr auto kExpectRead1 = bytes::Array<1, 2>();
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constexpr auto kExpectWrite2 = bytes::Array<3, 4, 5>();
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constexpr auto kExpectRead2 = bytes::Array<3, 4>();
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auto expected_transactions = MakeExpectedTransactionArray({
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MockTransaction(OkStatus(), kExpectWrite1, kExpectRead1),
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MockTransaction(OkStatus(), kExpectWrite2, kExpectRead2),
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});
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MockInitiator mocked_spi(expected_transactions);
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std::array<std::byte, kExpectRead1.size()> read1;
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EXPECT_EQ(mocked_spi.WriteRead(kExpectWrite1, read1), OkStatus());
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EXPECT_TRUE(std::equal(
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read1.begin(), read1.end(), kExpectRead1.begin(), kExpectRead1.end()));
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std::array<std::byte, kExpectRead2.size()> read2;
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EXPECT_EQ(mocked_spi.WriteRead(kExpectWrite2, read2), OkStatus());
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EXPECT_TRUE(std::equal(
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read2.begin(), read2.end(), kExpectRead2.begin(), kExpectRead2.end()));
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EXPECT_EQ(mocked_spi.Finalize(), OkStatus());
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}
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} // namespace
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} // namespace pw::spi
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