Merge pull request #368 from skyedeving/add-tests

Add a CMakeLists, tests, and pipeline to automatically test with Github actions

1 files changed, 61 insertions, 0 deletions

diff --git a/test/test_apng.cpp b/test/test_apng.cpp
new file mode 100644
index 0000000..20c7e92
--- /dev/null
+++ b/test/test_apng.cpp
@@ -0,0 +1,61 @@
+#include <catch2/catch.hpp>
+
+#include <QPluginLoader>
+#include <QImageReader>
+#include <QCoreApplication>
+#include <QGuiApplication>
+#include <QPixmap>
+
+TEST_CASE("Support APNG Plugin", "[apng]") {
+  // Check paths for libs
+  QCoreApplication::addLibraryPath(".");
+  QCoreApplication::addLibraryPath("lib");
+
+  // Either it's loaded from system or we load local
+  QPluginLoader apngPlugin("qapng");
+  apngPlugin.load();
+
+  INFO(QImageReader::supportedImageFormats().join(' ').toStdString());
+  REQUIRE(QImageReader::supportedImageFormats().contains("apng"));
+}
+
+TEST_CASE("Detect png animation", "[apng]") {
+  // Required for QPixmap methods
+  int argc = 1;
+  char bin[] = "test";
+  char *argv[] = { bin };
+  QGuiApplication app(argc, argv);
+
+  // Instantiate reader
+  QImageReader reader;
+
+  SECTION("Decide format from content fails on apng") {
+    reader.setFileName("snackoo.png");
+    reader.setDecideFormatFromContent(true);
+    REQUIRE(!reader.supportsAnimation());
+    REQUIRE(!QPixmap::fromImage(reader.read()).isNull());
+  }
+
+  SECTION("Auto detect fails on apng") {
+    reader.setFileName("snackoo.png");
+    reader.setAutoDetectImageFormat(true);
+    REQUIRE(!reader.supportsAnimation());
+    REQUIRE(!QPixmap::fromImage(reader.read()).isNull());
+  }
+
+  SECTION("Detect apng supports animation") {
+    reader.setFileName("snackoo.png");
+    reader.setFormat("apng");
+    REQUIRE(reader.supportsAnimation());
+    REQUIRE(!QPixmap::fromImage(reader.read()).isNull());
+  }
+
+  SECTION("Detect png frame has no animation") {
+    reader.setFileName("missle.png");
+    reader.setFormat("apng");
+    REQUIRE(!reader.supportsAnimation());
+    reader.setFormat("png");
+    REQUIRE(!reader.supportsAnimation());
+    REQUIRE(!QPixmap::fromImage(reader.read()).isNull());
+  }
+}