public async Task <IActionResult> Update(Guid expressionId, [FromBody] UpdateExpression toUpdate)
{
toUpdate.UserId = UserId;
await mediator.Send(toUpdate);
return(new OkResult());
}
public void UpdateExpression_WithDefaultConstructor_ShouldInitializeUpdateCommandsProperty()
{
// Arrange
var updateExpression = new UpdateExpression <ITweet>();
// Assert
Assert.IsNotNull(updateExpression.UpdateCommands, "UpdateCommands property should be correctly initialized.");
}
public void UpdateExpression_WithDefaultConstructor_ShouldReturnValidObject()
{
// Arrange
var updateExpression = new UpdateExpression <ITweet>();
// Assert
Assert.IsNotNull(updateExpression, "UpdateExpression<ITweet> should not be null.");
}
protected internal override Expression VisitUpdate(UpdateExpression update)
{
if (update.ReturnRowCount == false)
{
return(update);
}
return(new UpdateExpression(update.Table, update.UseHistoryTable, update.Source, update.Where, update.Assigments, returnRowCount: false));
}
public async Task <Unit> Handle(UpdateExpression message, CancellationToken cancellationToken)
{
var expression = await repository.Find(message.Id);
expression.ExpressionString = message.ExpressionString;
expression.Name = message.Name;
await repository.Save();
return(Unit.Value);
}
public void UpdateTest2()
{
var expression = new UpdateExpression(new[]
{
Change.Add("list", new[] { "A", "B", "C" }),
Change.Remove("deleted")
}, new JsonObject(), new AttributeCollection());
Assert.Equal(@"REMOVE deleted
ADD list :v0", expression.ToString());
}
public void UpdateExpression_SetNullField_ShouldThrowArgumentNullExceptionWithFieldParamName()
{
// Arrange
var updateExpression = new UpdateExpression <ITweet>();
var value = "Some value";
// Act + Assert
var exception = Assert.Throws <ArgumentNullException>(() => updateExpression.Set <string>(null, value), @"ArgumentNullException should be thrown.");
Assert.AreEqual("field", exception.ParamName, @"ParamName should be ""field"".");
}
public void UpdateExpression_SetNullOrWhiteSpaceFieldName_ShouldThrowArgumentNullExceptionWithFieldNameParamName(string fieldName)
{
// Arrange
var updateExpression = new UpdateExpression <ITweet>();
var value = "Some value";
// Act + Assert
var exception = Assert.Throws <ArgumentNullException>(() => updateExpression.Set(fieldName, value), @"ArgumentNullException should be thrown.");
Assert.AreEqual(nameof(fieldName), exception.ParamName, @"ParamName should be ""fieldName"".");
}
public void UpdateTest3()
{
var expression = new UpdateExpression(new[]
{
Change.Replace("deleted", new DateTime(2015, 01, 01)),
Change.Replace("colors", new [] { "red", "yellow", "blue" }),
Change.Replace("version", 1)
}, new JsonObject(), new AttributeCollection());
Assert.Equal(@"SET deleted = :v0, colors = :v1, version = :v2", expression.ToString());
}
protected internal override Expression VisitUpdate(UpdateExpression update)
{
var where = Visit(update.Where);
var assigments = Visit(update.Assigments, VisitColumnAssigment);
var source = Visit(update.Source);
if (source != update.Source || where != update.Where || assigments != update.Assigments)
{
return(new UpdateExpression(update.Table, update.UseHistoryTable, (SourceWithAliasExpression)source, where, assigments, update.ReturnRowCount));
}
return(update);
}
public static ExpressionExecuter Build(Expression expression)
{
return(expression switch
{
AssignmentExpression assign => new AssignmentExpressionExecuter(assign),
BinaryExpression binary => new BinaryExpressionExecuter(binary),
UpdateExpression update => new UpdateExpressionExecuter(update),
UnaryExpression unary => new UnaryExpressionExecuter(unary),
Identifier identifier => new IdentifierExecuter(identifier),
CallExpression call => new CallExpressionExecuter(call),
Literal literal => new LiteralExecuter(literal),
_ => ErrorHelper.ThrowUnknownNode <ExpressionExecuter>(expression),
});
public void UpdateExpression_WithDefaultConstructor_ShouldInitializeUpdateCommandsField()
{
// Arrange
const string UpdateCommandsFieldName = "updateCommands";
var updateExpression = new UpdateExpression <ITweet>();
// Act
var privateObject = new Microsoft.VisualStudio.TestTools.UnitTesting.PrivateObject(updateExpression);
var updateCommandsField = privateObject.GetField(UpdateCommandsFieldName);
// Assert
Assert.IsNotNull(updateCommandsField, "UpdateCommands field should be correctly initialized.");
}
public void UpdateExpression()
{
var expression = ParseExpression <UpdateExpression>("x++");
var visitor = new AstVisitorEventSource();
UpdateExpression updateExpression = null;
Identifier argument = null;
visitor.VisitingUpdateExpression += (_, arg) => updateExpression = arg;
visitor.VisitedIdentifier += (_, arg) => argument = arg;
visitor.Visit(expression);
Assert.Same(expression, updateExpression);
Assert.Same(expression.Argument, argument);
}
public void UpdateTest4()
{
var expression = new UpdateExpression(new[]
{
Change.Replace("deleted", new DateTime(2015, 01, 01)),
Change.Replace("colors", new [] { "red", "yellow", "blue" }),
Change.Remove("deleted"),
Change.Add("version", 1),
Change.Replace("modified", DateTime.UtcNow)
}, new JsonObject(), new AttributeCollection());
Assert.Equal(@"SET deleted = :v0, colors = :v1, modified = :v3
REMOVE deleted
ADD version :v2", expression.ToString());
}
public void TestUpldateExpression()
{
float b = 5;
ExecutionEnvironment e = new ExecutionEnvironment();
UpdateExpression add = new UpdateExpression()
{
IsPrefix = false, Operator = UpdateOperator.Add, Expression = new Identifier()
{
Variable = "a"
}
};
UpdateExpression minus = new UpdateExpression()
{
IsPrefix = false, Operator = UpdateOperator.Minus, Expression = new Identifier()
{
Variable = "a"
}
};
//test int
int a = 5;
e.RegisterValue("a", a);
Assert.AreEqual(add.Execute(e).ReturnValue, a++);
Assert.AreEqual(e.GetValue("a"), a);
Assert.AreEqual(minus.Execute(e).ReturnValue, a--);
Assert.AreEqual(e.GetValue("a"), a);
//test float
b = 5;
e.SetValue("a", b);
Assert.AreEqual(add.Execute(e).ReturnValue, b++);
Assert.AreEqual(e.GetValue("a"), b);
Assert.AreEqual(minus.Execute(e).ReturnValue, b--);
Assert.AreEqual(e.GetValue("a"), b);
//test double
double c = 7.1;
e.SetValue("a", c);
Assert.AreEqual(add.Execute(e).ReturnValue, c++);
Assert.AreEqual(e.GetValue("a"), c);
Assert.AreEqual(minus.Execute(e).ReturnValue, c--);
Assert.AreEqual(e.GetValue("a"), c);
//test string
string s = "5";
e.SetValue("a", s);
Assert.AreEqual(add.Execute(e).Type, CompletionType.Exception);
Assert.AreEqual(minus.Execute(e).Type, CompletionType.Exception);
}
public void UpdateTest1()
{
var locked = DateTimeOffset.FromUnixTimeSeconds(1497212690).UtcDateTime;
var attributeNames = new JsonObject();
var values = new AttributeCollection();
var expression = new UpdateExpression(new[] {
Change.Replace("locked", locked)
}, attributeNames, values);
Assert.Equal(@"SET locked = :v0", expression.ToString());
Assert.Equal(1497212690L, values.Get(":v0").Value);
}
public void UpdateExpression_SetValidStringFieldNameAndAnyValueObject_ShouldRegisterSingleSetCommandInUpdateCommands(string fieldName, object value)
{
// Arrange
var updateExpression = new UpdateExpression <ITweet>();
// Act
updateExpression.Set(fieldName, value);
// Assert
Assert.AreEqual(1, updateExpression.UpdateCommands.Count(), "Number of UpdateCommands should be 1.");
var command = updateExpression.UpdateCommands.Single();
Assert.IsNotNull(command, "IUpdateCommand object should not be null.");
Assert.AreEqual("Set", command.UpdateVerb, @"UpdateVerb of the IUpdateCommand should be ""Set"".");
Assert.AreEqual(fieldName, command.FieldName, @"FieldName of the IUpdateCommand should be """ + fieldName + @""".");
Assert.AreSame(value, command.Value, @"Value of the IUpdateCommand should be """ + value + @""".");
}
protected virtual void Update(IEntityProxy entity, TableAttribute table, IEnumerable <ColumnInfo> columns)
{
//TODO: do not let an identity field to be dirtied
var update = new UpdateExpression(new TableExpression(table));
foreach (var column in columns.Where(c => c.IsIdentity))
{
update.AddWhere(column.ToEqualExpression(entity));
}
var type = entity.GetType();
foreach (var property in entity.DirtyProperties)
{
var pi = type.GetProperty(property);
var column = columns.First(c => c.DescribesProperty(pi));
update.AddSet(new SetExpression(column.ToColumnExpression(), Expression.Constant(pi.GetValue(entity))));
}
ExecuteNonQuery(update);
}
public JsValue EvaluateUpdateExpression(UpdateExpression updateExpression)
{
var value = _engine.EvaluateExpression(updateExpression.Argument);
Reference r;
switch (updateExpression.Operator)
{
case UnaryOperator.Increment:
r = value as Reference;
if (r != null &&
r.IsStrict() &&
(r.GetBase().TryCast <EnvironmentRecord>() != null) &&
(Array.IndexOf(new[] { "eval", "arguments" }, r.GetReferencedName()) != -1))
{
throw new JavaScriptException(_engine.SyntaxError);
}
var oldValue = TypeConverter.ToNumber(_engine.GetValue(value));
var newValue = oldValue + 1;
_engine.PutValue(r, newValue);
return(updateExpression.Prefix ? newValue : oldValue);
case UnaryOperator.Decrement:
r = value as Reference;
if (r != null &&
r.IsStrict() &&
(r.GetBase().TryCast <EnvironmentRecord>() != null) &&
(Array.IndexOf(new[] { "eval", "arguments" }, r.GetReferencedName()) != -1))
{
throw new JavaScriptException(_engine.SyntaxError);
}
oldValue = TypeConverter.ToNumber(_engine.GetValue(value));
newValue = oldValue - 1;
_engine.PutValue(r, newValue);
return(updateExpression.Prefix ? newValue : oldValue);
default:
throw new ArgumentException();
}
}
internal override string GetUpdateCommand(UpdateExpression expression)
{
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.Append($"UPDATE {expression.TableName} SET ");
foreach (var setting in expression.SettingList)
{
stringBuilder.Append($"{setting.ColumnName}={setting.Value}");
if (setting != expression.SettingList.Last())
{
stringBuilder.Append(", ");
}
}
if (expression.ConditionBracket != null)
{
stringBuilder.Append($" {GetConditionCommand(expression.ConditionBracket)}");
}
stringBuilder.Append(";");
return(stringBuilder.ToString());
}
public void UpdateExpression_SetValidExpressionForFavesFieldAndValidValue_ShouldRegisterSingleSetCommandInUpdateCommands()
{
// Arrange
var updateExpression = new UpdateExpression <ITweet>();
var value = 123;
// Act
updateExpression.Set(t => t.Faves, value);
// Assert
Assert.AreEqual(1, updateExpression.UpdateCommands.Count(), "Number of UpdateCommands should be 1.");
var command = updateExpression.UpdateCommands.Single();
Assert.IsNotNull(command, "IUpdateCommand object should not be null.");
Assert.AreEqual("Set", command.UpdateVerb, @"UpdateVerb of the IUpdateCommand should be ""Set"".");
Assert.AreEqual("Faves", command.FieldName, @"FieldName of the IUpdateCommand should be ""Faves"".");
Assert.AreEqual(value, command.Value, @"Value of the IUpdateCommand should be """ + value + @""".");
}
protected internal override Expression VisitUpdate(UpdateExpression update)
{
var coll = GetColumnCollector(update.Source.KnownAliases);
coll.Visit(update.Where);
foreach (var ca in update.Assigments)
{
coll.Visit(ca.Expression);
}
var source = Visit(update.Source);
var where = Visit(update.Where);
var assigments = Visit(update.Assigments, VisitColumnAssigment);
if (source != update.Source || where != update.Where || assigments != update.Assigments)
{
return(new UpdateExpression(update.Table, update.UseHistoryTable, (SourceWithAliasExpression)source, where, assigments, update.ReturnRowCount));
}
return(update);
}
protected override Expression VisitUpdate(UpdateExpression update)
{
sb.Append("UPDATE ");
sb.Append(update.Table.Name.ToString());
sb.Append(" SET");
this.AppendNewLine(Indentation.Inner);
for (int i = 0, n = update.Assigments.Count; i < n; i++)
{
ColumnAssignment assignment= update.Assigments[i];
if (i > 0)
{
sb.Append(",");
this.AppendNewLine(Indentation.Same);
}
sb.Append(assignment.Column.SqlEscape());
sb.Append(" = ");
this.Visit(assignment.Expression);
}
this.AppendNewLine(Indentation.Outer);
sb.Append("FROM ");
VisitSource(update.Source);
if (update.Where != null)
{
this.AppendNewLine(Indentation.Same);
sb.Append("WHERE ");
Visit(update.Where);
}
return update;
}
protected override Expression VisitUpdate(UpdateExpression update)
{
Visit(update.Where);
update.Assigments.NewIfChange(VisitColumnAssigment);
var source = Visit(update.Source);
var where = Visit(update.Where);
var assigments = update.Assigments.NewIfChange(VisitColumnAssigment);
if (source != update.Source || where != update.Where || assigments != update.Assigments)
return new UpdateExpression(update.Table, (SourceWithAliasExpression)source, where, assigments);
return update;
}
protected override Expression VisitUpdate(UpdateExpression update)
{
var source = Visit(update.Source);
var where = Visit(update.Where);
var assigments = update.Assigments.NewIfChange(c =>
{
var exp = MakeSqlValue(Visit(c.Expression));
if (exp != c.Expression)
return new ColumnAssignment(c.Column, exp);
return c;
});
if (source != update.Source || where != update.Where || assigments != update.Assigments)
return new UpdateExpression(update.Table, (SelectExpression)source, where, assigments);
return update;
}
public virtual void VisitUpdateExpression(UpdateExpression updateExpression)
{
}
public JsValue EvaluateUpdateExpression(UpdateExpression updateExpression)
{
var value = _engine.EvaluateExpression(updateExpression.Argument);
Reference r;
switch (updateExpression.Operator)
{
case UnaryOperator.Increment:
r = value as Reference;
if (r != null
&& r.IsStrict()
&& (r.GetBase().TryCast<EnvironmentRecord>() != null)
&& (Array.IndexOf(new[] { "eval", "arguments" }, r.GetReferencedName()) != -1))
{
throw new JavaScriptException(_engine.SyntaxError);
}
var oldValue = TypeConverter.ToNumber(_engine.GetValue(value));
var newValue = oldValue + 1;
_engine.PutValue(r, newValue);
return updateExpression.Prefix ? newValue : oldValue;
case UnaryOperator.Decrement:
r = value as Reference;
if (r != null
&& r.IsStrict()
&& (r.GetBase().TryCast<EnvironmentRecord>() != null)
&& (Array.IndexOf(new[] { "eval", "arguments" }, r.GetReferencedName()) != -1))
{
throw new JavaScriptException(_engine.SyntaxError);
}
oldValue = TypeConverter.ToNumber(_engine.GetValue(value));
newValue = oldValue - 1;
_engine.PutValue(r, newValue);
return updateExpression.Prefix ? newValue : oldValue;
default:
throw new ArgumentException();
}
}
protected override void Visit(UpdateExpression node)
{
Encode(node, Member("operator", node.Operator), Member("argument", node.Argument),
Member("prefix", node.Prefix));
}
protected abstract void Visit(UpdateExpression node);
protected virtual void VisitUpdateExpression(UpdateExpression updateExpression)
{
VisitExpression(updateExpression.Argument);
}
public JintUpdateExpression(Engine engine, UpdateExpression expression) : base(engine, expression)
{
_initialized = false;
}
protected override void VisitUpdateExpression(UpdateExpression updateExpression)
{
}
private void EmitUpdateExpression(UpdateExpression e)
{
using (var ec = new ExpressionContext(this, e))
{
if (e.Prefix)
{
Write(ec.Token);
Emit(e.Argument);
}
else
{
Emit(e.Argument);
Write(ec.Token);
}
}
}
protected override void VisitUpdateExpression(UpdateExpression updateExpression) => VisitUnaryExpression(updateExpression);
protected internal override void VisitUpdateExpression(UpdateExpression updateExpression)
{
VisitingUpdateExpression?.Invoke(this, updateExpression);
base.VisitUpdateExpression(updateExpression);
VisitedUpdateExpression?.Invoke(this, updateExpression);
}
