Warnings provider to access warnings text products

test/source/scwx/provider/warnings_provider.test.cpp

@@ -0,0 +1,58 @@
+#include <scwx/provider/warnings_provider.hpp>
+
+#include <gtest/gtest.h>
+
+namespace scwx
+{
+namespace provider
+{
+
+static const std::string& kDefaultUrl {"https://warnings.allisonhouse.com"};
+static const std::string& kAlternateUrl {"http://warnings.cod.edu"};
+
+class WarningsProviderTest : public testing::TestWithParam<std::string>
+{
+};
+TEST_P(WarningsProviderTest, ListFiles)
+{
+   WarningsProvider provider(GetParam());
+
+   auto [newObjects, totalObjects] = provider.ListFiles();
+
+   EXPECT_GT(newObjects, 0);
+   EXPECT_GT(totalObjects, 0);
+   EXPECT_EQ(newObjects, totalObjects);
+}
+
+TEST_P(WarningsProviderTest, LoadUpdatedFiles)
+{
+   WarningsProvider provider(GetParam());
+
+   auto [newObjects, totalObjects] = provider.ListFiles();
+   auto updatedFiles               = provider.LoadUpdatedFiles();
+
+   EXPECT_GT(newObjects, 0);
+   EXPECT_GT(totalObjects, 0);
+   EXPECT_EQ(newObjects, totalObjects);
+   EXPECT_EQ(updatedFiles.size(), newObjects);
+
+   auto [newObjects2, totalObjects2] = provider.ListFiles();
+   auto updatedFiles2                = provider.LoadUpdatedFiles();
+
+   // There should be no more than 2 updated warnings files since the last query
+   // (assumption that the previous newest file was updated, and a new file was
+   // created on the hour)
+   EXPECT_LE(newObjects2, 2);
+   EXPECT_EQ(updatedFiles2.size(), newObjects2);
+
+   // The total number of objects may have changed, since the oldest file could
+   // have dropped off the list
+   EXPECT_GT(totalObjects2, 0);
+}
+
+INSTANTIATE_TEST_SUITE_P(WarningsProvider,
+                         WarningsProviderTest,
+                         testing::Values(kDefaultUrl, kAlternateUrl));
+
+} // namespace provider
+} // namespace scwx