refactoring création fonction select, ajout test pour le order by et group by, ajout group by, ne pas pouvoir sauver si la clef primaire n'est pas définie

tests/DbTest.php

@@ -18,8 +18,15 @@ test("insert row",function () {
     $row->col1 = "test";
     $row->date1 = new \DateTime();
     $ret = $row->save();
+
+    $row2 = new Model();
+    $row2->setTable("test");
+    $row2->col1 = "test2";
+    $row2->date1 = new \DateTime();
+    $ret2 = $row2->save();
     
     expect($ret)->toBe(true);
+    expect($ret2)->toBe(true);
 });
 
 test("querybuilder", function() {
@@ -37,7 +44,7 @@ test("querybuilder", function() {
     expect(count($rows))->toBe(1);
 
     $qb->reset();
-    $rows = $qb->where("id",">",1)->columns("*")->get();
+    $rows = $qb->where("id",">",2)->columns("*")->get();
 
     expect($rows)->toBeArray();
     expect(count($rows))->toBe(0);
@@ -53,18 +60,41 @@ test("querybuilder", function() {
     expect(count($rows))->toBe(1);
 });
 
+test("order by", function(){
+    $qb = new QueryBuilder("test");
+    $rows = $qb->orderBy("id","DESC")->get();
+
+    expect($rows)->toBeArray();
+    expect(count($rows))->toBe(2);
+
+    expect($rows[0]->col1)->toBe("test2");
+});
+
+test("group by", function(){
+    $qb = new QueryBuilder("test");
+    $rows = $qb->columns("COUNT(*) as Nb")->get();
+
+    expect($rows)->toBeArray();
+    expect(count($rows))->toBe(1);
+    expect($rows[0]->Nb)->toBe(2);
+
+    $qb->reset();
+    $rows = $qb->columns("COUNT(*) as Nb")->groupBy("id")->get();
+    expect($rows)->toBeArray();
+    expect(count($rows))->toBe(2);
+    expect($rows[0]->Nb)->toBe(1);
+});
+
 test("update row", function() {
     $qb = new QueryBuilder("test","id");
     $row = $qb->find(1);
-
-    $row->col1 = "test2";
+    $row->col1 = "testupdate";
     $res = $row->save();
-
     expect($res)->toBe(true);
 
     $qb->reset();
     $rows = $qb->where("id",1)->columns("*")->get();
     expect($rows)->toBeArray();
     expect(count($rows))->toBe(1);
-    expect($rows[0]->col1)->toBe("test2");
+    expect($rows[0]->col1)->toBe("testupdate");
 });