public void ShouldFetchInstallationsFromNetworkFunc_LocationChanged()
{
TestItems(out var installation1, out var installation2, out _, out _,
out _, out _);
Either <Error, List <InstallationEntity> > InstallationsFromDb() => new List <InstallationEntity>
{
installation1.ToInstallationEntity(), installation2.ToInstallationEntity()
};
var replacedInstallationsCounter = 0;
Either <Error, List <Installation> > ReplacingInstallationsFunc(List <Installation> list)
{
replacedInstallationsCounter += 1;
return(list);
}
Either <Error, List <Installation> > FetchingFromNetworkFunc(Location location) =>
new List <Installation>
{
installation2
};
var functionUnderTest =
HomeModel.FetchInstallationsFromDbOrNetwork(InstallationsFromDb)(ReplacingInstallationsFunc)(
FetchingFromNetworkFunc);
var result = functionUnderTest(new Location(-80.0, -80.0));
Assert.AreEqual(1, replacedInstallationsCounter, "Should try to replace installations in database once");
result.Match(error => Assert.Fail("Should match to the right"), list =>
{
Assert.AreEqual(1, list.Count,
"Should return list from FetchingFromNetworkFunc, which contains 1 item");
Assert.AreEqual(installation2, list.First(),
"Should return installation from FetchingFromNetworkFunc");
});
}