public void Discovery_should_monitors_that_cannot_be_instantiated()
{
var expected = new[] { typeof(HttpMonitor), typeof(HttpJsonMonitor) };
var monitors = PluginDiscovery <IHealthMonitor> .DiscoverAll(
typeof(BrokenMonitor).Assembly.Location,
typeof(HttpMonitor).Assembly.Location);
CollectionAssert.AreEquivalent(expected, monitors.Select(p => p.GetType()));
}
public void Discovery_should_scan_given_assembly_only_once()
{
var expected = new[] { typeof(HttpMonitor), typeof(HttpJsonMonitor) };
var monitors = PluginDiscovery <IHealthMonitor> .DiscoverAll(
typeof(HttpMonitor).Assembly.Location,
typeof(HttpMonitor).Assembly.Location
);
CollectionAssert.AreEquivalent(expected, monitors.Select(p => p.GetType()));
}
public void Discovery_should_skip_assemblies_that_cannot_be_loaded()
{
var expected = new[] { typeof(HttpMonitor), typeof(HttpJsonMonitor) };
var monitors = PluginDiscovery <IHealthMonitor> .DiscoverAll(
"some_inexistent_assembly.dll",
typeof(HttpMonitor).Assembly.Location);
CollectionAssert.AreEquivalent(expected, monitors.Select(p => p.GetType()));
}
public void Discovery_should_load_and_instantiate_all_monitors()
{
var expected = new[]
{
typeof(HttpMonitor),
typeof(HttpJsonMonitor),
typeof(TestHealthMonitor),
typeof(TestHealthMonitor2)
};
var monitors = PluginDiscovery <IHealthMonitor> .DiscoverAll(
typeof(HttpMonitor).Assembly.Location,
typeof(TestHealthMonitor).Assembly.Location);
CollectionAssert.AreEquivalent(expected, monitors.Select(p => p.GetType()));
}