public void ConditionalRuleToUpdateNameUsingFactory()
{
var trueRule = UpdateValueRulesFactory.CreateUpdateValueRule <Game>(g => g.Name,
ConstantRulesFactory.CreateConstantRule <string>("updated name"));
var methodParams = new List <Rule>
{
ConstantRulesFactory.CreateConstantRule <string>("some name"),
ConstantRulesFactory.CreateConstantRule <StringComparison>("CurrentCultureIgnoreCase")
};
var methodCallRule = MethodCallRulesFactory.CreateMethodCallRule <Game, bool>("Equals", null,
g => g.Name, methodParams);
var conditionalUpdateValue =
ConditionalRulesFactory.CreateConditionalIfThActionRule <Game>(methodCallRule, trueRule);
var compileResult = conditionalUpdateValue.Compile();
compileResult.Should().BeTrue();
_testOutputHelper.WriteLine($"{nameof(conditionalUpdateValue)}:{Environment.NewLine}" +
$"{conditionalUpdateValue.ExpressionDebugView()}");
var game = new Game {
Name = "some name"
};
_testOutputHelper.WriteLine($"before game.Name: {game.Name}");
conditionalUpdateValue.Execute(game);
_testOutputHelper.WriteLine($"after game.Name: {game.Name}");
game.Name.Should().Be("updated name");
}
public void CallAStringMethodOnDescriptionObjectUsingFactory()
{
// Description is a string - Call Contains method on Description
// compiles to: Param_0.Description.Contains("cool")
var const1 = ConstantRulesFactory.CreateConstantRule <string>("cool");
var gameNameContainsKeyWordCool = MethodCallRulesFactory.CreateMethodCallRule <Game, bool>("Contains",
null, (g => g.Description), new List <Rule> {
const1
});
var compileResult = gameNameContainsKeyWordCool.Compile();
compileResult.Should().BeTrue();
_testOutputHelper.WriteLine($"{nameof(gameNameContainsKeyWordCool)}:{Environment.NewLine}" +
$"{gameNameContainsKeyWordCool.ExpressionDebugView()}");
// check to see if _game1 description contains keyword "cool"
var executeResult = gameNameContainsKeyWordCool.Execute(_game1);
executeResult.Should().BeFalse();
// check to see if _game2 description contains keyword "cool"
executeResult = gameNameContainsKeyWordCool.Execute(_game2);
executeResult.Should().BeTrue();
}
public void CallToUpperUsingFactory()
{
var rule = MethodCallRulesFactory.CreateMethodCallRule <string, string>("ToUpper", "System.String", null, null);
var compileResult = rule.Compile();
compileResult.Should().BeTrue();
_testOutputHelper.WriteLine($"{nameof(rule)}:{Environment.NewLine}" +
$"{rule.ExpressionDebugView()}");
var foo = "foo";
var FOO = rule.Execute(foo);
FOO.Should().Be("FOO");
}
public void CheckToSeeIfPlayerExistsInAGameUsingFactory(int id, bool expectedResult)
{
// call HasPlayer method on the game object
// compiles to: Param_0.HasPlayer(1000)
var const1 = ConstantRulesFactory.CreateConstantRule <int>(id.ToString());
var gameHasPlayerWithCertainId =
MethodCallRulesFactory.CreateMethodCallRule <Game, bool>("HasPlayer", null, null,
new List <Rule> {
const1
});
var compileResult = gameHasPlayerWithCertainId.Compile();
compileResult.Should().BeTrue();
_testOutputHelper.WriteLine($"{nameof(gameHasPlayerWithCertainId)}:{Environment.NewLine}" +
$"{gameHasPlayerWithCertainId.ExpressionDebugView()}");
var executeResult = gameHasPlayerWithCertainId.Execute(_game1);
executeResult.Should().Be(expectedResult);
}
public void CallEqualsMethodOnNameUsingConstantRuleUsingFactory(string param1, bool expectedResult)
{
// call Equals method on Name string object
// compiles to: Param_0.Name.Equals("Game 1", CurrentCultureIgnoreCase)
var param1Const = ConstantRulesFactory.CreateConstantRule <string>(param1);
var param2Const = ConstantRulesFactory.CreateConstantRule <StringComparison>("CurrentCultureIgnoreCase");
var nameEqualsRule = MethodCallRulesFactory.CreateMethodCallRule <Game, bool>("Equals", null, (g => g.Name),
new List <Rule> {
param1Const, param2Const
});
var compileResult = nameEqualsRule.Compile();
compileResult.Should().BeTrue();
_testOutputHelper.WriteLine($"{nameof(nameEqualsRule)}:{Environment.NewLine}" +
$"{nameEqualsRule.ExpressionDebugView()}");
var executeResult = nameEqualsRule.Execute(_game1);
executeResult.Should().Be(expectedResult);
executeResult = nameEqualsRule.Execute(_game2);
executeResult.Should().Be(!expectedResult);
}
public void ConditionalRuleWithBlockUsingFactory()
{
var sourceNameRule = ConstantRulesFactory.CreateConstantRule <string>("some fancy name");
var nameChangeRule = UpdateValueRulesFactory.CreateUpdateValueRule <Game>(g => g.Name, sourceNameRule);
var sourceRankRule = ConstantRulesFactory.CreateConstantRule <int>("1000");
var rankingChangeRule = UpdateValueRulesFactory.CreateUpdateValueRule <Game>(g => g.Ranking, sourceRankRule);
var sourceDescRule = ConstantRulesFactory.CreateConstantRule <string>("some cool description");
var descriptionChangeRule = UpdateValueRulesFactory.CreateUpdateValueRule <Game>(g => g.Description, sourceDescRule);
var subRules = new List <Rule>
{
nameChangeRule,
rankingChangeRule,
descriptionChangeRule
};
var blockRule = BlockRulesFactory.CreateActionBlockRule <Game>(subRules);
var param1Const = ConstantRulesFactory.CreateConstantRule <string>("some name");
var param2Const = ConstantRulesFactory.CreateConstantRule <StringComparison>("CurrentCultureIgnoreCase");
var nameEqualsRule = MethodCallRulesFactory.CreateMethodCallRule <Game, bool>("Equals", null, (g => g.Name),
new List <Rule> {
param1Const, param2Const
});
var conditionalUpdateValue =
ConditionalRulesFactory.CreateConditionalIfThActionRule <Game>(nameEqualsRule, blockRule);
var compileResult = conditionalUpdateValue.Compile();
compileResult.Should().BeTrue();
_testOutputHelper.WriteLine($"{nameof(conditionalUpdateValue)}:{Environment.NewLine}" +
$"{conditionalUpdateValue.ExpressionDebugView()}");
var game = new Game {
Name = "some name"
};
_testOutputHelper.WriteLine($"before game.Name: {game.Name}");
conditionalUpdateValue.Execute(game);
_testOutputHelper.WriteLine($"after game.Name: {game.Name}");
game.Name.Should().Be("some fancy name");
_testOutputHelper.WriteLine($"{game}");
var jsonConverterForRule = new JsonConverterForRule();
var json = JsonConvert.SerializeObject(conditionalUpdateValue, jsonConverterForRule);
_testOutputHelper.WriteLine(json);
var conditionalUpdateValue2 = JsonConvert.DeserializeObject <Rule>(json, jsonConverterForRule);
compileResult = conditionalUpdateValue2.Compile();
compileResult.Should().BeTrue();
var game2 = new Game {
Name = "some name"
};
_testOutputHelper.WriteLine($"before game2.Name: {game2.Name}");
(conditionalUpdateValue2 as ConditionalIfThActionRule <Game>)?.Execute(game2);
_testOutputHelper.WriteLine($"after game2.Name: {game2.Name}");
game.Name.Should().Be("some fancy name");
_testOutputHelper.WriteLine($"{game2}");
}