void TestR2()
{
"Demonstrating Requirement #2".title();
//creating new element of type int and string
DBElement <int, string> element = new DBElement <int, string>();
element.name = "first element of db";
element.descr = "int and string type";
element.timeStamp = DateTime.Now;
element.children.AddRange(new List <int> {
0, 2, 4, 8
});
element.payload = "first element's payload";
element.showElement();
db.insert(1, element);
db.showDB();
WriteLine();
//creating new element of type string and list of strings
DBElement <string, List <string> > element2 = new DBElement <string, List <string> >();
element2.name = "second element of db";
element2.descr = "strings and strings of string types";
element2.timeStamp = DateTime.Now;
element2.children.AddRange(new List <string> {
"SMA", "OOD", "Project2"
});
element2.payload = new List <string> {
"second", "SMA", "project"
};
element2.showEnumerableElement();
db2.insert("2", element2);
db2.showEnumerableDB();
WriteLine();
}
static void Main(string[] args)
{
"Testing ItemEditor Package".title('=');
WriteLine();
Write("\n --- Test DBElement<int,string> ---");
// new database created to test the functionaity
DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >();
// new elements are created and inserted to the database
DBElement <int, string> elem1 = new DBElement <int, string>("first element", "first element description");
DBElement <int, string> elem2 = new DBElement <int, string>("second element", "second element description");
DBElement <int, string> elem3 = new DBElement <int, string>("third element", "third element description");
elem1.payload = "Payload of 1";
elem1.children.AddRange(new List <int> {
1, 2, 3
});
elem2.payload = "Payload of 2";
elem2.children.AddRange(new List <int> {
11, 22, 33
});
elem3.payload = "Payload of 3";
elem3.children.AddRange(new List <int> {
111, 222, 333
});
// inserting elements to database
db.insert(1, elem1);
db.insert(2, elem2);
db.insert(3, elem3);
db.showDB();
// testing addition of relationships to elements
Write("\n\n Testing of addition of new relationships");
bool addr1 = db.addRelations <int, DBElement <int, string>, string>(1, 2);
bool addr2 = db.addRelations <int, DBElement <int, string>, string>(2, 3);
bool addr3 = db.addRelations <int, DBElement <int, string>, string>(3, 111);
db.showDB();
// testing removing relationships to elements
Write("\n\n Testing of removal of relations");
bool remr1 = db.removeRelation <int, DBElement <int, string>, string>(2, 11);
bool remr2 = db.removeRelation <int, DBElement <int, string>, string>(1, 3);
db.showDB();
if (remr1 && remr2)
{
Write("\n \n Removal succeded");
}
// Testing editing of text data
Write("\n\n Testing of editing of text data");
bool ed_name1 = db.editName <int, DBElement <int, string>, string>(1, "renaming of element 1");
bool ed_descr = db.editDescr <int, DBElement <int, string>, string>(1, "editing description of element 1");
bool ed_inst = db.editInstance <int, DBElement <int, string>, string>(1, "new instance for element 1");
db.showDB();
Write("\n\n --- Test DBElement<string,List<string>> ---");
// creating elements to new database of type string,List of strings
DBElement <string, List <string> > new_elem1 = new DBElement <string, List <string> >("new element 1", "Description of 1");
DBElement <string, List <string> > new_elem2 = new DBElement <string, List <string> >("new element 2", "Description of 2");
DBElement <string, List <string> > new_elem3 = new DBElement <string, List <string> >("new element 3", "Description of 3");
//creating new database
DBEngine <string, DBElement <string, List <string> > > new_db = new DBEngine <string, DBElement <string, List <string> > >();
new_elem1.payload = new List <string> {
"First data in payload ", "Second data in payload", "Third data in payload"
};
new_elem1.children.AddRange(new List <string> {
"one", "two", "three"
});
new_elem2.payload = new List <string> {
"DP", "SMA", "OOD"
};
new_elem2.children.AddRange(new List <string> {
"four", "five", "six"
});
new_elem3.payload = new List <string> {
"CE", "CS", "EE"
};
new_elem3.children.AddRange(new List <string> {
"seven", "eight", "nine"
});
// inserting elements to database
new_db.insert("One", new_elem1);
new_db.insert("Two", new_elem2);
new_db.insert("Three", new_elem3);
new_db.showEnumerableDB();
// testing addition of relationships to elements
Write("\n\n testing addition of relationship ");
bool add1 = new_db.addRelations <string, DBElement <string, List <string> >, List <string> >("One", "two");
bool add2 = new_db.addRelations <string, DBElement <string, List <string> >, List <string> >("Two", "three");
bool add3 = new_db.addRelations <string, DBElement <string, List <string> >, List <string> >("Three", "one");
new_db.showEnumerableDB();
if (add1 && add2 && add3)
{
Write("\n \n Adding relationship successful.");
}
// testing removing relationships to elements
Write("\n \n Now going to test removing of relationships in DB-element: Element-One");
bool rem1 = new_db.removeRelation <string, DBElement <string, List <string> >, List <string> >("One", "Nine");
bool rem2 = new_db.removeRelation <string, DBElement <string, List <string> >, List <string> >("One", "two");
new_db.showEnumerableDB();
if (rem1 && rem2)
{
Write("\n \n Deleting of relationships succeeded ");
}
// Testing editing of text data
Write("\n \n Now going to test edition of name, description and replacing instance of payload with new instance in Element-One.");
new_db.editName <string, DBElement <string, List <string> >, List <string> >("One", "Edited name for Element-One");
new_db.editDescr <string, DBElement <string, List <string> >, List <string> >("One", "New description for Element-One");
new_db.editInstance <string, DBElement <string, List <string> >, List <string> >("One", new List <string> {
"New payload - String One", "New payload - String Two", "New payload - String Three"
});
new_db.showEnumerableDB();
WriteLine();
}
static void Main(string[] args)
{
"Testing DBEngine Package".title('=');;
WriteLine();
"Test db of scalar elements".title();
WriteLine();
//creation of new elements
DBElement <int, string> elem1 = new DBElement <int, string>();
elem1.payload = "a payload";
DBElement <int, string> elem2 = new DBElement <int, string>("Darth Vader", "Evil Overlord");
elem2.payload = "The Empire strikes back!";
var elem3 = new DBElement <int, string>("Luke Skywalker", "Young HotShot");
elem3.payload = "X-Wing fighter in swamp - Oh oh!";
if (verbose)
{
Write("\n --- Test DBElement<int,string> ---");
WriteLine();
elem1.showElement();
WriteLine();
elem2.showElement();
WriteLine();
elem3.showElement();
WriteLine();
}
Write("\n --- Test DBEngine<int,DBElement<int,string>> ---");
WriteLine();
int key = 0;
Func <int> keyGen = () => { ++key; return(key); }; // function to generate keys
// new database created
DBEngine <int, DBElement <int, string> > db = new DBEngine <int, DBElement <int, string> >();
bool p1 = db.insert(keyGen(), elem1);
bool p2 = db.insert(keyGen(), elem2);
bool p3 = db.insert(keyGen(), elem3);
if (p1 && p2 && p3)
{
Write("\n all inserts succeeded");
}
else
{
Write("\n at least one insert failed");
}
db.showDB();
WriteLine();
"Test db of enumerable elements".title();
WriteLine();
//new element created
DBElement <string, List <string> > newelem1 = new DBElement <string, List <string> >();
newelem1.name = "newelem1";
newelem1.descr = "test new type";
newelem1.payload = new List <string> {
"one", "two", "three"
};
//new element created
DBElement <string, List <string> > newerelem1 = new DBElement <string, List <string> >();
newerelem1.name = "newerelem1";
newerelem1.descr = "better formatting";
newerelem1.payload = new List <string> {
"alpha", "beta", "gamma"
};
newerelem1.payload.Add("delta");
newerelem1.payload.Add("epsilon");
//new element created
DBElement <string, List <string> > newerelem2 = new DBElement <string, List <string> >();
newerelem2.name = "newerelem2";
newerelem2.descr = "better formatting";
newerelem2.children.AddRange(new List <string> {
"first", "second"
});
newerelem2.payload = new List <string> {
"a", "b", "c"
};
newerelem2.payload.Add("d");
newerelem2.payload.Add("e");
if (verbose)
{
Write("\n --- Test DBElement<string,List<string>> ---");
WriteLine();
newelem1.showEnumerableElement();
WriteLine();
newerelem1.showEnumerableElement();
WriteLine();
newerelem2.showEnumerableElement();
WriteLine();
}
Write("\n --- Test DBEngine<string,DBElement<string,List<string>>> ---");
int seed = 0;
string skey = seed.ToString();
Func <string> skeyGen = () =>
{
++seed;
skey = "string" + seed.ToString();
skey = skey.GetHashCode().ToString();
return(skey);
};
DBEngine <string, DBElement <string, List <string> > > newdb =
new DBEngine <string, DBElement <string, List <string> > >();
newdb.insert(skeyGen(), newelem1);
newdb.insert(skeyGen(), newerelem1);
newdb.insert(skeyGen(), newerelem2);
newdb.showEnumerableDB();
Write("\n\n");
}