test: added test for parsing multiple joins and different join type

q/parse.go

@@ -433,8 +433,6 @@ func parseJoins(p *parser) error {
 			return t.Type == sqllexer.KEYWORD && strings.ToUpper(t.Value) == "ON"
 		})
 
-		fmt.Printf("Found ON at '%d'\n", foundOnTokenIndex)
-
 		if foundOnTokenIndex < 0 {
 			selectQuery.Joins = append(selectQuery.Joins, workingJoin)
 			continue
@@ -447,8 +445,6 @@ func parseJoins(p *parser) error {
 				break
 			}
 
-			fmt.Printf("Currently at '%d', reading '%s'\n", i, t.Value)
-
 			if t.Type == sqllexer.IDENT {
 				if workingOn.Key == "" {
 					workingOn.Key = t.Value
@@ -467,8 +463,6 @@ func parseJoins(p *parser) error {
 
 			if workingOn.Key != "" && workingOn.Operator != "" && workingOn.Value != "" {
 				workingJoin.Ons = append(workingJoin.Ons, workingOn)
-				fmt.Println("Adding ON to workingJoin")
-				fmt.Println(workingOn)
 				workingOn = Conditional{}
 			}
 		}

q/parse_test.go

@@ -151,7 +151,7 @@ func TestParseSelectStatement_StateMachine(t *testing.T) {
 			},
 		},
 		{
-			input: "SELECT ProductID, ProductName, CategoryName FROM Products INNER JOIN Categories ON Products.CategoryID = Categories.CategoryID; ",
+			input: "SELECT ProductID, ProductName, CategoryName FROM Products INNER JOIN Categories ON Products.CategoryID = Categories.CategoryID AND Products.SupplierID = Categories.SupplierID LEFT JOIN Stores ON Products.StoreID = Stores.ID ;",
 			expected: &Select{
 				Type:  SELECT,
 				Table: Table{Name: "Products"},
@@ -175,6 +175,28 @@ func TestParseSelectStatement_StateMachine(t *testing.T) {
 								Operator: "=",
 								Value:    "Categories.CategoryID",
 							},
+							{
+								Key:       "Products.SupplierID",
+								Operator:  "=",
+								Value:     "Categories.SupplierID",
+								Extension: "AND",
+							},
+						},
+					},
+					{
+						Type: LEFT,
+						MainTable: Table{
+							Name: "Products",
+						},
+						JoiningTable: Table{
+							Name: "Stores",
+						},
+						Ons: []Conditional{
+							{
+								Key:      "Products.StoreID",
+								Operator: "=",
+								Value:    "Stores.ID",
+							},
 						},
 					},
 				},