/// <inheritdoc />
public async Task <IUpdateCheckResult> CheckAsync()
{
IReposApi api = _apiFactory.BuildReposApi(_username, _repoName);
try {
IRelease latest = await api.LatestRelease().ConfigureAwait(false);
Version latestVersion = new Version(latest.tag_name.TrimStart('v'));
return(latestVersion > ApplicationVersion
? latest.assets.Any()
? UpdateCheckResult.FromLatestRelease(latest)
: new UpdateCheckResult(EventLevel.Error, Messages.NoUpdateTitle, Messages.NoUpdateNoFiles)
: new UpdateCheckResult(EventLevel.Informational, Messages.NoUpdateTitle, Messages.NoUpdateAlreadyLatest));
} catch (WebException wex) {
switch (wex.Status)
{
case WebExceptionStatus.NameResolutionFailure:
case WebExceptionStatus.ConnectFailure:
return(new UpdateCheckResult(EventLevel.Error, Messages.NoUpdateTitle, Messages.NoUpdateCannotConnect));
case WebExceptionStatus.ProtocolError:
if ((wex.Response as HttpWebResponse)?.StatusCode == HttpStatusCode.NotFound)
{
return(new UpdateCheckResult(EventLevel.Error, Messages.NoUpdateTitle, Messages.NoUpdateNoReleases));
}
goto default; // we only handled not found, so anything else is a random other error
default:
return(new UpdateCheckResult(EventLevel.Error, Messages.NoUpdateTitle, string.Format(Messages.NoUpdateError, wex.Message)));
}
}
}
private static IReposApi GetReposApi(WebException wex)
{
IReposApi api = A.Fake <IReposApi>();
A.CallTo(() => api.LatestRelease()).Throws(wex);
return(api);
}
private static IReposApi GetReposApi(IRelease latestRelease)
{
IReposApi api = A.Fake <IReposApi>();
A.CallTo(() => api.LatestRelease()).Returns(Task.FromResult(latestRelease));
return(api);
}
public async Task LatestRelease_MultipleReleases_ReturnsIRelease()
{
IReposApi api = GetReposApi(_repoWithReleases);
IRelease latest = await api.LatestRelease().ConfigureAwait(false);
Assert.IsNotNull(latest, $"{nameof(api.LatestRelease)}() should return an IRelease object for a repo that has at least one release.");
}
public async Task LatestRelease_NoReleases_Throws404()
{
IReposApi api = GetReposApi(_repoNoReleases);
WebException caughtException = null;
try {
await api.LatestRelease().ConfigureAwait(false);
} catch (WebException e) {
caughtException = e;
}
Assert.AreEqual(WebExceptionStatus.ProtocolError, caughtException.Status, $"{nameof(api.LatestRelease)}() is expected to throw an error due to the API response returning an error code when the requested repo doesn't have any releases. Did GitHub repo {_username}/{_repoNoReleases} have a release?");
Assert.AreEqual(HttpStatusCode.NotFound, (caughtException.Response as HttpWebResponse).StatusCode, $"{nameof(api.LatestRelease)}() is expected to throw an error with a 404 not found status code when the requested repo doesn't have any releases. Did GitHub repo {_username}/{_repoNoReleases} have a release?");
}
// instantiating interface in the constructor in this example instead. _url could come from testdata object
// injected from hooks or other methods
public ReposSteps()
{
_reposApi = RestClient.For <IReposApi>(_url);
}