Tapping out on Day 19

nineteen/mapping_test.go

@@ -0,0 +1,55 @@
+package nineteen
+
+import "testing"
+
+func Test_read(t *testing.T) {
+	m := mapping{}
+	if err := m.load("test_input.txt"); err != nil {
+		t.Log(err)
+		t.FailNow()
+	}
+
+	if len(m.scanners) != 5 {
+		t.Logf("Expected 5 scanners, found %d", len(m.scanners))
+		t.Fail()
+	}
+
+	if len(m.scanners[0].beacons) != 25 {
+		t.Logf("Expected 25 beacons on scanner %d, found %d", m.scanners[0].id, len(m.scanners[0].beacons))
+		t.Fail()
+	}
+
+	if len(m.scanners[1].beacons) != 25 {
+		t.Logf("Expected 25 beacons on scanner %d, found %d", m.scanners[1].id, len(m.scanners[1].beacons))
+		t.Fail()
+	}
+
+	if len(m.scanners[2].beacons) != 26 {
+		t.Logf("Expected 26 beacons on scanner %d, found %d", m.scanners[2].id, len(m.scanners[2].beacons))
+		t.Fail()
+	}
+
+	if len(m.scanners[3].beacons) != 25 {
+		t.Logf("Expected 25 beacons on scanner %d, found %d", m.scanners[3].id, len(m.scanners[3].beacons))
+		t.Fail()
+	}
+
+	if len(m.scanners[4].beacons) != 26 {
+		t.Logf("Expected 26 beacons on scanner %d, found %d", m.scanners[4].id, len(m.scanners[4].beacons))
+		t.Fail()
+	}
+}
+
+func Test_initialize(t *testing.T) {
+	m := mapping{}
+	m.load("test_input.txt")
+
+	m.initialize()
+
+	beaconCount := len(m.beacons)
+
+	if beaconCount != 79 {
+		t.Logf("Expected 79 beacons, found %d", beaconCount)
+		t.Fail()
+	}
+}