public void Assoc_ExistingKey()
{
var dict = new Dictionary<string, int>();
dict.Add("a", 1);
var res = dict.Assoc("a", 2);
Assert.AreEqual("([a,2])", res.Print());
}
public void Assoc_IsImmutable()
{
var dict = new Dictionary<string, int>();
dict.Add("a", 1);
var other = dict.Assoc("b", 2);
Assert.AreEqual("([a,1])", dict.Print(),
"Calling Assoc should not change the original dictionary");
}
public void Diff()
{
var a = new Dictionary<string, int>() { { "A", 1 }, { "B", 2 }, {"C", 3}};
var b = a.Assoc("B", -2);
var diff = a.Diff(b);
Assert.AreEqual("([B,(2, -2)])", diff.Print());
diff = a.Diff(b, "A".And("B"));
Assert.AreEqual("([B,(2, -2)])", diff.Print());
diff = a.Diff(b, "A".And("C"));
Assert.AreEqual("()", diff.Print());
var copyA = a.Copy();
diff = a.Diff(copyA);
Assert.AreEqual("()", diff.Print());
}
public virtual Dictionary<string, object> Insert(string tableName, Dictionary<string, object> row)
{
if (StrictTables && !Analyzer.TableExists(tableName))
throw new NotATableException(tableName);
// Make sure all the required keys are supplied
this.AssertInsertKeys(tableName, row);
var sql = MakeInsertSql(tableName, row);
var autoKey = sqlInsert(sql, row);
// If there's an autonumber, make sure we add it to the result
var autoNumberKeyName = Analyzer.GetAutoNumberKey(tableName);
//if (autoNumberKeyName != null && autoKey == null)
// throw new ThisSadlyHappenedException("The SQL ran beautifully, but you were expecting an autogenerated number and you did not get it");
if(autoNumberKeyName != null && autoKey.HasValue)
row = row.Assoc(autoNumberKeyName, autoKey.Value);
// Return the set of primary keys from the insert operation
var primaryKeys = Analyzer.GetPrimaryKeys(tableName);
return row.Only(primaryKeys);
}
public void IsSameAsNullBug()
{
// If we have two objects that both have a null field, but the objects have differences
// on other fields after that field, IsSameAs falsely returns true
var a = new Dictionary<string, object>() { { "A", 1 }, { "B", null }, { "C", 3 } };
var b = a.Assoc("C", 47);
Assert.False(a.IsSameAs(b), "These are not the same!");
}