Mike-Solar
5109dd2995
get_float_ratio_from_user() is pure UI (QInputDialog/QMessageBox); common/ stays dialog-free.
147 lines
3.3 KiB
C++
147 lines
3.3 KiB
C++
#include <gtest/gtest.h>
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#include <cmath>
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#include <QApplication>
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#include <QInputDialog>
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#include <QMessageBox>
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#include <QTimer>
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#include "dialog/ratiodialog.h"
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using namespace olive;
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namespace
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{
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// Drives the modal dialogs that GetFloatRatioFromUser() pops up: feeds the
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// queued text responses into QInputDialogs and accepts any QMessageBox shown
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// in between (i.e. the invalid-ratio warning)
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class DialogDriver : public QObject {
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public:
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explicit DialogDriver(const QStringList &responses)
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: responses_(responses)
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{
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connect(&timer_, &QTimer::timeout, this, &DialogDriver::step);
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timer_.start(10);
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}
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private:
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void step()
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{
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QWidget *modal = QApplication::activeModalWidget();
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if (!modal) {
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return;
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}
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if (auto *box = qobject_cast<QMessageBox *>(modal)) {
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box->accept();
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return;
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}
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if (auto *input = qobject_cast<QInputDialog *>(modal)) {
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if (responses_.isEmpty()) {
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// No more responses queued: cancel the dialog
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input->reject();
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timer_.stop();
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return;
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}
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input->setTextValue(responses_.takeFirst());
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input->accept();
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if (responses_.isEmpty()) {
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timer_.stop();
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}
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}
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}
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QStringList responses_;
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QTimer timer_;
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};
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} // namespace
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TEST(CommonRatioDialog, AcceptsPlainDecimal)
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{
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DialogDriver driver({ QStringLiteral("1.5") });
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bool ok = false;
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const double ratio = get_float_ratio_from_user(nullptr, QStringLiteral("Test"), &ok);
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EXPECT_TRUE(ok);
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EXPECT_DOUBLE_EQ(ratio, 1.5);
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}
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TEST(CommonRatioDialog, AcceptsColonSeparatedRatio)
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{
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DialogDriver driver({ QStringLiteral("16:9") });
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bool ok = false;
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const double ratio = get_float_ratio_from_user(nullptr, QStringLiteral("Test"), &ok);
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EXPECT_TRUE(ok);
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EXPECT_DOUBLE_EQ(ratio, 16.0 / 9.0);
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}
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TEST(CommonRatioDialog, AcceptsSlashSeparatedRatio)
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{
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DialogDriver driver({ QStringLiteral("4/3") });
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bool ok = false;
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const double ratio = get_float_ratio_from_user(nullptr, QStringLiteral("Test"), &ok);
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EXPECT_TRUE(ok);
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EXPECT_DOUBLE_EQ(ratio, 4.0 / 3.0);
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}
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TEST(CommonRatioDialog, AcceptsSemicolonSeparatedRatio)
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{
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DialogDriver driver({ QStringLiteral("1;2") });
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bool ok = false;
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const double ratio = get_float_ratio_from_user(nullptr, QStringLiteral("Test"), &ok);
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EXPECT_TRUE(ok);
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EXPECT_DOUBLE_EQ(ratio, 0.5);
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}
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TEST(CommonRatioDialog, CancelReturnsNaN)
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{
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// An empty response list makes the driver cancel the input dialog
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DialogDriver driver({});
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bool ok = true;
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const double ratio = get_float_ratio_from_user(nullptr, QStringLiteral("Test"), &ok);
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EXPECT_FALSE(ok);
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EXPECT_TRUE(std::isnan(ratio));
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}
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TEST(CommonRatioDialog, InvalidInputWarnsAndRetries)
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{
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// "banana" fails to parse (the driver accepts the warning box), the retry
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// with a valid ratio succeeds
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DialogDriver driver({ QStringLiteral("banana"), QStringLiteral("2") });
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bool ok = false;
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const double ratio = get_float_ratio_from_user(nullptr, QStringLiteral("Test"), &ok);
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EXPECT_TRUE(ok);
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EXPECT_DOUBLE_EQ(ratio, 2.0);
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}
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TEST(CommonRatioDialog, RejectsNonPositiveValues)
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{
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// Zero and negative values are rejected with a warning before a valid
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// value is accepted
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DialogDriver driver(
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{ QStringLiteral("0"), QStringLiteral("-4:2"), QStringLiteral("3") });
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bool ok = false;
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const double ratio = get_float_ratio_from_user(nullptr, QStringLiteral("Test"), &ok);
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EXPECT_TRUE(ok);
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EXPECT_DOUBLE_EQ(ratio, 3.0);
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}
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