Add day four Bingo player

four/bingo_test.go

@@ -0,0 +1,71 @@
+package four
+
+import "testing"
+
+func Test_read(t *testing.T) {
+	b := bingo{}
+	if err := b.read("test_input.txt"); err != nil {
+		t.Log(err)
+		t.FailNow()
+	}
+
+	if len(b.calls) != 27 {
+		t.Logf("Expected 27 number calls, found %d", len(b.calls))
+		t.Fail()
+	}
+
+	if len(b.boards) != 3 {
+		t.Logf("Expected 3 boards, found %d", len(b.boards))
+		t.Fail()
+	}
+}
+
+func Test_play(t *testing.T) {
+	b := bingo{}
+	if err := b.read("test_input.txt"); err != nil {
+		t.Log(err)
+		t.FailNow()
+	}
+
+	score, call := b.play()
+
+	if score != 188 {
+		t.Logf("Expected a winning score of 188, got %d", score)
+		t.Fail()
+	}
+
+	if call != 24 {
+		t.Logf("Expected bingo on call 24, got %d", call)
+		t.Fail()
+	}
+
+	if score*call != 4512 {
+		t.Logf("Expected result of 4512, got %d", score*call)
+		t.Fail()
+	}
+}
+
+func Test_slowPlay(t *testing.T) {
+	b := bingo{}
+	if err := b.read("test_input.txt"); err != nil {
+		t.Log(err)
+		t.FailNow()
+	}
+
+	score, call := b.slowPlay()
+
+	if score != 148 {
+		t.Logf("Expected a winning score of 148, got %d", score)
+		t.Fail()
+	}
+
+	if call != 13 {
+		t.Logf("Expected bingo on call 13, got %d", call)
+		t.Fail()
+	}
+
+	if score*call != 1924 {
+		t.Logf("Expected result of 1924, got %d", score*call)
+		t.Fail()
+	}
+}