public bool Evaluate(Constraint constraint, UnleashContext context)
{
var contextValueString = context.GetByName(constraint.ContextName);
if (string.IsNullOrWhiteSpace(contextValueString))
{
return(false);
}
if (!double.TryParse(contextValueString, NumberStyles.Number, CultureInfo.InvariantCulture, out var contextNumber))
{
return(false);
}
if (string.IsNullOrWhiteSpace(constraint.Value) || !double.TryParse(constraint.Value, NumberStyles.Number, CultureInfo.InvariantCulture, out var constraintNumber))
{
return(false);
}
if (constraint.Inverted)
{
return(!Eval(constraint.Operator, constraintNumber, contextNumber));
}
return(Eval(constraint.Operator, constraintNumber, contextNumber));
}
static void Main(string[] args)
{
var unleashConfig = new UnleashConfig.Builder()
.AppName("c-sharp-test")
.InstanceId("instance y")
.UnleashAPI("https://unleash.herokuapp.com/api/")
.FetchTogglesInterval(1)
.SendMetricsInterval(2)
.Build();
var context = UnleashContext.CreateBuilder()
.SessionId(new Random().Next(10000) + "")
.UserId(new Random().Next(10000) + "")
.RemoteAddress("192.168.1.1")
.Build();
// var executor = new UnleashScheduledExecutorImpl();
// var repository = new FeatureToggleRepository(
// unleashConfig,
// executor,
// new HttpToggleFetcher(unleashConfig),
// new ToggleBackupHandlerFile(unleashConfig));
var unleash = new DefaultUnleash(unleashConfig,
//repository,
new ActiveForUserWithIdStrategy()
);
//var test = executor.SetInterval(s => repository.UpdateToggles(s).Wait(), 0, unleashConfig.FetchTogglesInterval);
Run(unleash, context, "test", 200);
}
public bool Evaluate(Constraint constraint, UnleashContext context)
{
var contextValue = context.GetByName(constraint.ContextName);
SemanticVersion contextSemver;
if (!SemanticVersion.TryParse(contextValue, out contextSemver))
{
Logger.Info("Couldn't parse version {0} from context");
return(false);
}
if (!string.IsNullOrWhiteSpace(constraint.Value))
{
SemanticVersion constraintSemver;
if (!SemanticVersion.TryParse(constraint.Value, out constraintSemver))
{
return(false);
}
if (constraint.Inverted)
{
return(!Eval(constraint.Operator, contextSemver, constraintSemver));
}
return(Eval(constraint.Operator, contextSemver, constraintSemver));
}
return(false);
}
public void should_be_disabled_when_missing_user_id()
{
var context = UnleashContext.New().Build();
var gradualRolloutStrategy = new GradualRolloutUserIdStrategy();
gradualRolloutStrategy.IsEnabled(new Dictionary <string, string>(), context).Should().BeFalse();
}
public override bool IsEnabled(Dictionary <string, string> parameters, UnleashContext context) =>
parameters.ContainsKey(PARAM) ?
parameters[PARAM]
.Split(',')
.Select(n => n.Trim())
.Contains(context.RemoteAddress) :
false;
public void ShouldReturnVariant2()
{
// Arrange
var v1 = new VariantDefinition("a", 33, new Payload("string", "asd"), new Collection <VariantOverride>());
var v2 = new VariantDefinition("b", 33);
var v3 = new VariantDefinition("c", 34);
var toggle = new FeatureToggle(
"test.variants",
"release",
true,
new List <ActivationStrategy> {
defaultStrategy
},
new List <VariantDefinition> {
v1, v2, v3
});
var context = new UnleashContext
{
UserId = "163",
SessionId = "sessionId",
RemoteAddress = "remoteAddress",
Properties = new Dictionary <string, string>()
};
// Act
var variant = VariantUtils.SelectVariant(toggle, context, Variant.DISABLED_VARIANT);
// Assert
variant.Name.Should().Be(v2.Name);
}
public void test(string actualIp, string parameterstring, bool expected)
{
var context = UnleashContext.New().RemoteAddress(actualIp).Build();
var parameters = setupParameterMap(parameterstring);
strategy.IsEnabled(parameters, context).Should().Be(expected);
}
public void should_at_most_miss_with_one_percent_when_rolling_out_to_specified_percentage()
{
string groupId = "group1";
int percentage = 25;
int rounds = 20000;
int enabledCount = 0;
var paramseters = buildParams(percentage, groupId);
var gradualRolloutStrategy = new GradualRolloutUserIdStrategy();
for (var userId = 0; userId < rounds; userId++)
{
var context = UnleashContext.New().UserId("user" + userId).Build();
if (gradualRolloutStrategy.IsEnabled(paramseters, context))
{
enabledCount++;
}
}
var actualPercentage = (enabledCount / (double)rounds) * 100.0;
((percentage - 1) < actualPercentage)
.Should().BeTrue("Expected " + percentage + "%, but was " + actualPercentage + "%");
((percentage + 1) > actualPercentage).Should()
.BeTrue("Expected " + percentage + "%, but was " + actualPercentage + "%");
}
private static Func <VariantOverride, bool> OverrideMatchesContext(UnleashContext context)
{
return((variantOverride) =>
{
string contextValue = null;
switch (variantOverride.ContextName)
{
case "userId":
contextValue = context.UserId;
break;
case "sessionId":
contextValue = context.SessionId;
break;
case "remoteAddress":
contextValue = context.RemoteAddress;
break;
default:
context.Properties.TryGetValue(variantOverride.ContextName, out contextValue);
break;
}
return variantOverride.Values.Contains(contextValue ?? "");
});
}
public void should_be_disabled_when_missing_user_id()
{
var context = UnleashContext.CreateBuilder().Build();
var gradualRolloutStrategy = new GradualRolloutSessionIdStrategy();
Assert.False(gradualRolloutStrategy.IsEnabled(new Dictionary <string, string>(), context));
}
private static bool ValidateConstraint(Constraint constraint, UnleashContext context)
{
var contextValue = context.GetByName(constraint.ContextName);
var isIn = contextValue != null && constraint.Values.Contains(contextValue.Trim());
return((constraint.Operator == Operator.IN) == isIn);
}
public void Should_be_disabled_when_not_all_constrains_are_satisfied()
{
// Arrange
var strategy = new AlwaysEnabledStrategy();
var parameters = new Dictionary <string, string>();
var context = new UnleashContext
{
Environment = "test",
UserId = "123",
Properties = new Dictionary <string, string>
{
{ "customerId", "orange" }
}
};
var constraints = new List <Constraint>
{
new Constraint("environment", Operator.IN, false, false, "test", "prod"),
new Constraint("userId", Operator.IN, false, false, "123"),
new Constraint("customerId", Operator.IN, false, false, "red", "blue")
};
// Act
var enabled = strategy.IsEnabled(parameters, context, constraints);
// Assert
enabled.Should().BeFalse();
}
private static string GetIdentifier(UnleashContext context)
{
return(context.UserId
?? context.SessionId
?? context.RemoteAddress
?? new Random().NextDouble().ToString());
}
public static Variant SelectVariant(FeatureToggle featureToggle, UnleashContext context, Variant defaultVariant)
{
var variantDefinitions = featureToggle.Variants;
var totalWeight = variantDefinitions.Sum(v => v.Weight);
if (totalWeight == 0)
{
return(defaultVariant);
}
var variantOverride = GetOverride(variantDefinitions, context);
if (variantOverride != null)
{
return(variantOverride.ToVariant());
}
var target = StrategyUtils.GetNormalizedNumber(GetIdentifier(context), featureToggle.Name, totalWeight);
var counter = 0;
foreach (var variantDefinition in variantDefinitions)
{
if (variantDefinition.Weight != 0)
{
counter += variantDefinition.Weight;
if (counter >= target)
{
return(variantDefinition.ToVariant());
}
}
}
return(defaultVariant);
}
public void IsEnabled_Always_ShouldReturnFalse()
{
var context = UnleashContext.New().Build();
var parameters = new Dictionary <string, string>();
var result = Strategy.IsEnabled(parameters, context);
Assert.False(result);
}
public void IsEnabled_WhenUserIdIsMissing_ShouldReturnFalse()
{
var context = UnleashContext.New().Build();
var gradualRolloutStrategy = new GradualRolloutUserIdStrategy();
var result = gradualRolloutStrategy.IsEnabled(new Dictionary <string, string>(), context);
Assert.False(result);
}
public void should_match_csv_without_space()
{
var parameters = new Dictionary <string, string>();
var context = UnleashContext.New().UserId("123").Build();
parameters.Add(strategy.UserIdsConst, "123,122,121");
strategy.IsEnabled(parameters, context).Should().BeTrue();;
}
public void should_match_middle_userId_in_list()
{
var parameters = new Dictionary <string, string>();
var context = UnleashContext.New().UserId("122").Build();
parameters.Add(strategy.UserIdsConst, "123, 122, 121");
strategy.IsEnabled(parameters, context).Should().BeTrue();
}
public void should_be_enabled_when_using_100percent_rollout()
{
var context = UnleashContext.CreateBuilder().SessionId("1574576830").Build();
var gradualRolloutStrategy = new GradualRolloutSessionIdStrategy();
var parms = BuildParams(100, "innfinn");
var result = gradualRolloutStrategy.IsEnabled(parms, context);
Assert.True(result);
}
public override bool IsEnabled(Dictionary <string, string> parameters, UnleashContext context)
{
return(parameters.ContainsKey(PARAM) ?
parameters[PARAM]
.Split(',')
.Select(n => n.Trim())
.Any(userId => userId == context.UserId)
:
false);
}
public void should_not_be_enabled_when_0percent_rollout()
{
var context = UnleashContext.CreateBuilder().SessionId("1574576830").Build();
var gradualRolloutStrategy = new GradualRolloutSessionIdStrategy();
var parms = BuildParams(0, "innfinn");
var actual = gradualRolloutStrategy.IsEnabled(parms, context);
Assert.False(actual); //"should not be enabled when 0% rollout",
}
public void should_be_enabled_when_using_100percent_rollout()
{
var context = UnleashContext.New().UserId("1574576830").Build();
var gradualRolloutStrategy = new GradualRolloutUserIdStrategy();
var paramseters = buildParams(100, "innfinn");
var result = gradualRolloutStrategy.IsEnabled(paramseters, context);
result.Should().BeTrue();
}
public void should_not_match_subparts_of_ids()
{
var parameters = new Dictionary <string, string>();
var context = UnleashContext.New().UserId("12").Build();
parameters.Add(strategy.UserIdsConst, "123, 122, 121, 212");
strategy.IsEnabled(parameters, context).Should().BeFalse();
}
public void should_not_be_enabled_when_0percent_rollout()
{
var context = UnleashContext.New().UserId("1574576830").Build();
var gradualRolloutStrategy = new GradualRolloutUserIdStrategy();
var paramseters = buildParams(0, "innfinn");
var actual = gradualRolloutStrategy.IsEnabled(paramseters, context);
actual.Should().BeFalse("should not be enabled when 0% rollout");
}
public void should_match_real_ids()
{
var parameters = new Dictionary <string, string>();
var context = UnleashContext.New().UserId("298261117").Build();
parameters.Add(strategy.UserIdsConst,
"160118738, 1823311338, 1422637466, 2125981185, 298261117, 1829486714, 463568019, 271166598");
strategy.IsEnabled(parameters, context).Should().BeTrue();
}
public static bool Validate(List <Constraint> constraints, UnleashContext context)
{
if (constraints?.Count > 0)
{
return(constraints.TrueForAll(c => ValidateConstraint(c, context)));
}
else
{
return(true);
}
}
public void IsEnabled_ShouldReturnExpectedValue(string actualIp, string parameterString, bool expected)
{
var context = UnleashContext.New().RemoteAddress(actualIp).Build();
var parameters = new Dictionary <string, string>
{
[RemoteAddressStrategy.PARAM] = parameterString
};
var actual = Strategy.IsEnabled(parameters, context);
Assert.Equal(expected, actual);
}
public bool IsEnabled(Dictionary <string, string> parameters, UnleashContext context = null)
{
if (!parameters.TryGetValue(Percentage, out var value))
{
return(false);
}
var percentage = StrategyUtils.GetPercentage(value);
var randomNumber = random.Next(100) + 1;
return(percentage >= randomNumber);
}
private static string GetIdentifier(UnleashContext context, string stickiness)
{
if (stickiness != "default")
{
var stickinessValue = context.GetByName(stickiness);
return(stickinessValue ?? GetRandomValue());
}
return(context.UserId
?? context.SessionId
?? context.RemoteAddress
?? GetRandomValue());
}
public void NUM_LTE_Item_Count_Of_6_Is_Not_Less_Than_Or_Equal_To_Constraint_Value_5()
{
// Arrange
var target = new NumberConstraintOperator();
var constraint = new Constraint("item_count", Operator.NUM_LTE, false, false, "5");
var context = new UnleashContext();
context.Properties.Add("item_count", "6");
// Act
var result = target.Evaluate(constraint, context);
// Assert
result.Should().BeFalse();
}
