Day 16: Part 2

Signed-off-by: James Griffin <james@unsupervised.ca>

sixteen/day_sixteen_test.go

@@ -24,7 +24,7 @@ func Test_ticket_loading(t *testing.T) {
 		t.Fail()
 	}
 }
-	
+
 func Test_ticket_scanerror(t *testing.T) {
 	ts := ticketScanner{}
 	if err := ts.load("sample.txt"); err != nil {
@@ -38,3 +38,45 @@ func Test_ticket_scanerror(t *testing.T) {
 		t.Fail()
 	}
 }
+
+func Test_ticket_fieldDetection(t *testing.T) {
+	ts := ticketScanner{}
+	if err := ts.load("sample2.txt"); err != nil {
+		t.Log(err.Error())
+		t.FailNow()
+	}
+
+	ts.scanValid()
+	if len(ts.valid) != 3 {
+		t.Logf("Expected 3 valid tickets, got %d", len(ts.valid))
+		t.FailNow()
+	}
+
+	ts.determineFields()
+
+	if len(ts.fields) != 3 || ts.fields[0] != "row" || ts.fields[1] != "class" || ts.fields[2] != "seat" {
+		t.Logf("Expected row, class, seat but got %v", ts.fields)
+		t.Fail()
+	}
+}
+
+func Test_ticket_product(t *testing.T) {
+	ts := ticketScanner{}
+	if err := ts.load("sample3.txt"); err != nil {
+		t.Log(err.Error())
+		t.FailNow()
+	}
+
+	ts.scanValid()
+	if len(ts.valid) != 3 {
+		t.Logf("Expected 3 valid tickets, got %d", len(ts.valid))
+		t.FailNow()
+	}
+
+	ts.determineFields()
+	p := ts.fieldProduct("departure")
+	if p != 132 {
+		t.Logf("Expected 132 got %d", p)
+		t.Fail()
+	}
+}