public async Task GetTheValueFromCacheIfItsAlreadyThere()
{
var ssmClient = Substitute.For <IAmazonSimpleSystemsManagement>();
ssmClient.GetParameterAsync(Arg.Is <GetParameterRequest>(r => r.Name == Param1Path)).Returns(
Task.FromResult(new GetParameterResponse {
Parameter = new Parameter {
Value = Param1Value
}
}));
var context = new MiddyNetContext(Substitute.For <ILambdaContext>());
var options = new SSMOptions
{
ParametersToGet = new List <SSMParameterToGet>
{
new SSMParameterToGet(Param1Name, Param1Path)
},
CacheExpiryInMillis = 60 * 1000
};
var ssmMiddleware = new SSMMiddleware <int, int>(options, () => ssmClient, new SystemTimeProvider());
await ssmMiddleware.Before(1, context);
await ssmMiddleware.Before(1, context);
await ssmClient.Received(1).GetParameterAsync(Arg.Is <GetParameterRequest>(r => r.Name == Param1Path));
}
public async Task GetParametersAndSetToContextOnBeforeMethod()
{
var ssmClient = Substitute.For <IAmazonSimpleSystemsManagement>();
ssmClient.GetParameterAsync(Arg.Is <GetParameterRequest>(r => r.Name == Param1Path)).Returns(
Task.FromResult(new GetParameterResponse {
Parameter = new Parameter {
Value = Param1Value
}
}));
ssmClient.GetParameterAsync(Arg.Is <GetParameterRequest>(r => r.Name == Param2Path)).Returns(
Task.FromResult(new GetParameterResponse {
Parameter = new Parameter {
Value = Param2Value
}
}));
var context = new MiddyNetContext(Substitute.For <ILambdaContext>());
var options = new SSMOptions
{
ParametersToGet = new List <SSMParameterToGet>
{
new SSMParameterToGet(Param1Name, Param1Path),
new SSMParameterToGet(Param2Name, Param2Path)
}
};
var ssmMiddleware = new SSMMiddleware <int, int>(options, () => ssmClient, new SystemTimeProvider());
await ssmMiddleware.Before(1, context);
await ssmClient.Received().GetParameterAsync(Arg.Is <GetParameterRequest>(r => r.Name == Param1Path));
await ssmClient.Received().GetParameterAsync(Arg.Is <GetParameterRequest>(r => r.Name == Param2Path));
context.AdditionalContext.Should().Contain(Param1Name, Param1Value);
context.AdditionalContext.Should().Contain(Param2Name, Param2Value);
}
public async Task GetTheValueFromSSMIfItsCacheHasExpired()
{
var ssmClient = Substitute.For <IAmazonSimpleSystemsManagement>();
ssmClient.GetParameterAsync(Arg.Is <GetParameterRequest>(r => r.Name == Param1Path)).Returns(
Task.FromResult(new GetParameterResponse {
Parameter = new Parameter {
Value = Param1Value
}
}));
var now = System.DateTime.UtcNow;
var timeProvider = Substitute.For <ITimeProvider>();
var context = new MiddyNetContext(Substitute.For <ILambdaContext>());
var options = new SSMOptions
{
ParametersToGet = new List <SSMParameterToGet>
{
new SSMParameterToGet(Param1Name, Param1Path)
},
CacheExpiryInMillis = 60 * 1000
};
var ssmMiddleware = new SSMMiddleware <int, int>(options, () => ssmClient, timeProvider);
timeProvider.UtcNow.Returns(now);
await ssmMiddleware.Before(1, context);
timeProvider.UtcNow.Returns(now.AddMilliseconds(70 * 1000));
await ssmMiddleware.Before(1, context);
await ssmClient.Received(2).GetParameterAsync(Arg.Is <GetParameterRequest>(r => r.Name == Param1Path));
}
