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-rw-r--r--quantum/encoder/tests/encoder_tests_split_no_left.cpp125
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diff --git a/quantum/encoder/tests/encoder_tests_split_no_left.cpp b/quantum/encoder/tests/encoder_tests_split_no_left.cpp
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+/* Copyright 2021 Balz Guenat
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "gtest/gtest.h"
+#include "gmock/gmock.h"
+#include <vector>
+#include <algorithm>
+#include <stdio.h>
+
+extern "C" {
+#include "encoder.h"
+#include "encoder/tests/mock_split.h"
+}
+
+struct update {
+ int8_t index;
+ bool clockwise;
+};
+
+uint8_t updates_array_idx = 0;
+update updates[32];
+
+bool isLeftHand;
+
+bool encoder_update_kb(uint8_t index, bool clockwise) {
+ if (!isLeftHand) {
+ // this method has no effect on slave half
+ printf("ignoring update on right hand (%d,%s)\n", index, clockwise ? "CW" : "CC");
+ return true;
+ }
+ updates[updates_array_idx % 32] = {index, clockwise};
+ updates_array_idx++;
+ return true;
+}
+
+bool setAndRead(pin_t pin, bool val) {
+ setPin(pin, val);
+ return encoder_read();
+}
+
+class EncoderSplitTestNoLeft : public ::testing::Test {
+ protected:
+ void SetUp() override {
+ updates_array_idx = 0;
+ for (int i = 0; i < 32; i++) {
+ pinIsInputHigh[i] = 0;
+ pins[i] = 0;
+ }
+ }
+};
+
+TEST_F(EncoderSplitTestNoLeft, TestInitLeft) {
+ isLeftHand = true;
+ encoder_init();
+ EXPECT_EQ(pinIsInputHigh[0], false);
+ EXPECT_EQ(pinIsInputHigh[1], false);
+ EXPECT_EQ(pinIsInputHigh[2], false);
+ EXPECT_EQ(pinIsInputHigh[3], false);
+ EXPECT_EQ(updates_array_idx, 0); // no updates received
+}
+
+TEST_F(EncoderSplitTestNoLeft, TestInitRight) {
+ isLeftHand = false;
+ encoder_init();
+ EXPECT_EQ(pinIsInputHigh[0], true);
+ EXPECT_EQ(pinIsInputHigh[1], true);
+ EXPECT_EQ(pinIsInputHigh[2], true);
+ EXPECT_EQ(pinIsInputHigh[3], true);
+ EXPECT_EQ(updates_array_idx, 0); // no updates received
+}
+
+TEST_F(EncoderSplitTestNoLeft, TestOneClockwiseLeft) {
+ isLeftHand = true;
+ encoder_init();
+ // send 4 pulses. with resolution 4, that's one step and we should get 1 update.
+ setAndRead(0, false);
+ setAndRead(1, false);
+ setAndRead(0, true);
+ setAndRead(1, true);
+
+ EXPECT_EQ(updates_array_idx, 0); // no updates received
+}
+
+TEST_F(EncoderSplitTestNoLeft, TestOneClockwiseRightSent) {
+ isLeftHand = false;
+ encoder_init();
+ // send 4 pulses. with resolution 4, that's one step and we should get 1 update.
+ setAndRead(2, false);
+ setAndRead(3, false);
+ setAndRead(2, true);
+ setAndRead(3, true);
+
+ uint8_t slave_state[32] = {0};
+ encoder_state_raw(slave_state);
+
+ EXPECT_EQ(slave_state[0], 0);
+ EXPECT_EQ(slave_state[1], 0xFF);
+}
+
+TEST_F(EncoderSplitTestNoLeft, TestMultipleEncodersRightReceived) {
+ isLeftHand = true;
+ encoder_init();
+
+ uint8_t slave_state[32] = {1, 0xFF}; // First right encoder is CCW, Second right encoder no change, third right encoder CW
+ encoder_update_raw(slave_state);
+
+ EXPECT_EQ(updates_array_idx, 2); // two updates received, one for each changed item on the right side
+ EXPECT_EQ(updates[0].index, 0);
+ EXPECT_EQ(updates[0].clockwise, false);
+ EXPECT_EQ(updates[1].index, 1);
+ EXPECT_EQ(updates[1].clockwise, true);
+}