[Fonts] Add AppFont roles and FontConfig fonts.toml round-trip

This commit is contained in:
Lukas Brübach 2026-10-16 09:00:57 +02:00
parent c72192fd81
commit d34bb81884
4 changed files with 399 additions and 2 deletions

195
tests/font_config_test.cpp Normal file
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@ -0,0 +1,195 @@
#include "interface/theme_config.h"
#include <QDir>
#include <QFile>
#include <QFileInfo>
#include <QFont>
#include <QIODevice>
#include <QString>
#include <QStringLiteral>
#include <QTemporaryDir>
#include <QTextStream>
#include <gtest/gtest.h>
namespace
{
// Writes content to a file inside tmp, creating parents as needed.
QString writeTempFile(QTemporaryDir &tmp, const QString &relativePath, const QString &content)
{
const QString filePath = QDir(tmp.path()).absoluteFilePath(relativePath);
EXPECT_TRUE(QDir().mkpath(QFileInfo(filePath).absolutePath()));
QFile file(filePath);
EXPECT_TRUE(file.open(QIODevice::WriteOnly | QIODevice::Text));
QTextStream out(&file);
out << content;
file.close();
return filePath;
}
QFont makeFont(const QString &family, int pointSize)
{
QFont font(family);
font.setPointSize(pointSize);
return font;
}
} // namespace
TEST(FontConfigTest, FileNameIsFontsToml)
{
EXPECT_EQ(FontConfig::fileName(), QStringLiteral("fonts.toml"));
}
TEST(FontConfigTest, EmptyByDefault)
{
FontConfig cfg;
EXPECT_FALSE(cfg.hasFonts());
EXPECT_TRUE(cfg.toToml().isEmpty());
EXPECT_EQ(cfg, FontConfig());
EXPECT_EQ(cfg, FontConfig::fromFile("/nonexistent/path/fonts.toml"));
EXPECT_EQ(cfg, FontConfig::fromThemeDir(QString()));
}
TEST(FontConfigTest, RoundTripPreservesFamilyAndSize)
{
QTemporaryDir tmp;
ASSERT_TRUE(tmp.isValid());
FontConfig cfg;
cfg.fonts[AppFont::InterfaceDefault] = makeFont("Inter", 10);
cfg.fonts[AppFont::ChatLog] = makeFont("JetBrains Mono", 9);
cfg.fonts[AppFont::CardText] = makeFont("Noto Serif", 11);
cfg.fonts[AppFont::DeckList] = makeFont("Roboto", 12);
ASSERT_TRUE(cfg.hasFonts());
const QString filePath = writeTempFile(tmp, "fonts.toml", cfg.toToml());
const FontConfig loaded = FontConfig::fromFile(filePath);
EXPECT_EQ(loaded, cfg);
EXPECT_EQ(loaded.fonts[AppFont::InterfaceDefault].family(), QStringLiteral("Inter"));
EXPECT_EQ(loaded.fonts[AppFont::InterfaceDefault].pointSize(), 10);
EXPECT_EQ(loaded.fonts[AppFont::ChatLog].family(), QStringLiteral("JetBrains Mono"));
EXPECT_EQ(loaded.fonts[AppFont::ChatLog].pointSize(), 9);
EXPECT_EQ(loaded.fonts[AppFont::CardText].family(), QStringLiteral("Noto Serif"));
EXPECT_EQ(loaded.fonts[AppFont::CardText].pointSize(), 11);
EXPECT_EQ(loaded.fonts[AppFont::DeckList].family(), QStringLiteral("Roboto"));
EXPECT_EQ(loaded.fonts[AppFont::DeckList].pointSize(), 12);
}
TEST(FontConfigTest, RoundTripStripsWeightAndItalic)
{
QTemporaryDir tmp;
ASSERT_TRUE(tmp.isValid());
QFont styled("Inter");
styled.setPointSize(10);
styled.setBold(true);
styled.setItalic(true);
FontConfig cfg;
cfg.fonts[AppFont::ChatLog] = styled;
const QString filePath = writeTempFile(tmp, "fonts.toml", cfg.toToml());
const FontConfig loaded = FontConfig::fromFile(filePath);
ASSERT_TRUE(loaded.fonts.contains(AppFont::ChatLog));
EXPECT_EQ(loaded.fonts[AppFont::ChatLog].family(), QStringLiteral("Inter"));
EXPECT_EQ(loaded.fonts[AppFont::ChatLog].pointSize(), 10);
EXPECT_FALSE(loaded.fonts[AppFont::ChatLog].bold());
EXPECT_FALSE(loaded.fonts[AppFont::ChatLog].italic());
EXPECT_EQ(loaded.fonts[AppFont::ChatLog], makeFont("Inter", 10));
}
TEST(FontConfigTest, ToTomlFormat)
{
FontConfig cfg;
cfg.fonts[AppFont::InterfaceDefault] = makeFont("Inter", 10);
const QString toml = cfg.toToml();
EXPECT_TRUE(toml.contains(QStringLiteral("[Fonts]")));
EXPECT_TRUE(toml.contains(QStringLiteral("InterfaceDefault")));
EXPECT_TRUE(toml.contains(QStringLiteral("\"Inter, 10\"")));
}
TEST(FontConfigTest, MalformedLinesAreSkipped)
{
QTemporaryDir tmp;
ASSERT_TRUE(tmp.isValid());
const QString filePath = writeTempFile(tmp, "fonts.toml",
"# a comment\n"
"; another comment\n"
"\n"
"StrayBeforeSection = \"Inter, 10\"\n"
"\n"
"[Other]\n"
"ChatLog = \"ShouldBeIgnored, 10\"\n"
"\n"
"[Fonts]\n"
"InterfaceDefault = \"Inter, 10\"\n"
"ChatLog = \"JetBrains Mono\", 9 # inline comment\n"
"CardText = Noto Serif, 11\n"
"AppFont::DeckList = \"Roboto, 12\"\n"
"UnknownRole = \"Inter, 10\"\n"
"QPalette::Window = \"Inter, 10\"\n"
"NoComma = \"Inter\"\n"
"EmptyFamily = \", 10\"\n"
"ZeroSize = \"Inter, 0\"\n"
"NegativeSize = \"Inter, -3\"\n"
"NotANumber = \"Inter, big\"\n"
"NotAnEntry\n");
const FontConfig loaded = FontConfig::fromFile(filePath);
ASSERT_TRUE(loaded.hasFonts());
EXPECT_EQ(loaded.fonts.size(), 4);
EXPECT_EQ(loaded.fonts[AppFont::InterfaceDefault], makeFont("Inter", 10));
EXPECT_EQ(loaded.fonts[AppFont::ChatLog], makeFont("JetBrains Mono", 9));
EXPECT_EQ(loaded.fonts[AppFont::CardText], makeFont("Noto Serif", 11));
EXPECT_EQ(loaded.fonts[AppFont::DeckList], makeFont("Roboto", 12));
}
TEST(FontConfigTest, FromThemeDirReadsFontsToml)
{
QTemporaryDir tmp;
ASSERT_TRUE(tmp.isValid());
const QString themeDir = QDir(tmp.path()).absoluteFilePath("MyTheme");
ASSERT_TRUE(QDir().mkpath(themeDir));
FontConfig cfg;
cfg.fonts[AppFont::CardText] = makeFont("Noto Serif", 11);
writeTempFile(tmp, "MyTheme/fonts.toml", cfg.toToml());
const FontConfig loaded = FontConfig::fromThemeDir(themeDir);
EXPECT_EQ(loaded, cfg);
// A theme directory without fonts.toml loads as empty.
const QString bareDir = QDir(tmp.path()).absoluteFilePath("BareTheme");
ASSERT_TRUE(QDir().mkpath(bareDir));
EXPECT_FALSE(FontConfig::fromThemeDir(bareDir).hasFonts());
}
TEST(FontConfigTest, InequalityComparesRoles)
{
FontConfig left;
left.fonts[AppFont::InterfaceDefault] = makeFont("Inter", 10);
FontConfig right = left;
EXPECT_EQ(left, right);
EXPECT_FALSE(left != right);
right.fonts[AppFont::InterfaceDefault] = makeFont("Inter", 11);
EXPECT_NE(left, right);
right = left;
right.fonts[AppFont::ChatLog] = makeFont("Inter", 10);
EXPECT_NE(left, right);
}
// Every test brings its own main(): GTest is not guaranteed to be found on the build machines, and
// the fallback then links the bare gtest library without gtest_main.
int main(int argc, char **argv)
{
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}