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package main
import (
"testing"
)
func TestMap(t *testing.T) {
m := NewMap(4, 3)
if m.String() != `. . .
. . .
. . .
. . .
` {
t.Errorf("map is wrong size, got `%s`", m)
}
loc := m.FromRowCol(3, 2)
row, col := m.FromLocation(loc)
if row != 3 || col != 2 {
t.Errorf("conversion broken, got (%v, %v), wanted (3, 2)", row, col)
}
loc2 := m.FromRowCol(3, -1)
if loc2 != loc {
t.Errorf("from xy broken, got (%v), wanted (%v)", loc2, loc)
}
n := m.FromRowCol(2, 2)
s := m.FromRowCol(4, 2)
e := m.FromRowCol(3, 3)
w := m.FromRowCol(3, 1)
if n != m.Move(loc, North) {
t.Errorf("Move north is broken")
}
if s != m.Move(loc, South) {
t.Errorf("Move south is broken")
}
if e != m.Move(loc, East) {
t.Errorf("Move east is broken")
}
if w != m.Move(loc, West) {
t.Errorf("Move west is broken")
}
m.AddAnt(n, MY_ANT)
m.AddAnt(s, ANT_1)
m.AddAnt(w, MY_HILL)
m.AddAnt(e, MY_OCCUPIED_HILL)
m.AddHill(m.FromRowCol(0, 0), HILL_1)
m.AddHill(m.FromRowCol(1, 0), HILL_1)
m.AddAnt(m.FromRowCol(1, 0), ANT_1)
if m.String() != `1 . b
B . .
. . a
A 0 .
` {
t.Errorf("map put ants in wrong place, got `%s`", m)
}
}
func TestNewMapFromDescriptionSize(t *testing.T) {
desc := `
. . .
. . .
. . .
. . .
`
m := NewMapFromDescription(desc)
if m.Rows != 4 || m.Cols != 3 {
t.Fatalf("Wrong dimensions, expected 4x3 got %dx%d",
m.Rows, m.Cols)
}
}
func TestNewMapFromDescriptionLand(t *testing.T) {
desc := `
. . .
. .
. .
. . .
`
m := NewMapFromDescription(desc)
if m.Rows != 4 || m.Cols != 3 {
t.Fatalf("Wrong dimensions, expected 4x3 got %dx%d",
m.Rows, m.Cols)
}
if m.grid[m.FromRowCol(1, 1)].item != LAND ||
m.grid[m.FromRowCol(2, 1)].item != LAND {
t.Fatalf("Did not find LAND at (1, 1) or (2, 1):\n%s", m)
}
}
func TestNewMapFromDescriptionMultiple(t *testing.T) {
desc := `
. . . . .
. % . .
. * a . .
. A . * .
. . . . .
`[1:] // strip the opening blank line
m := NewMapFromDescription(desc)
if m.String() != desc {
t.Fatalf("Invalid map, expected:\n%s got\n%s",
desc, m)
}
if m.Rows != 5 || m.Cols != 5 {
t.Fatalf("Invalid size %dx%d", m.Rows, m.Cols)
}
if len(m.Food) != 2 || m.Food[m.FromRowCol(2, 1)] != true ||
m.Food[m.FromRowCol(3, 3)] != true {
t.Fatalf("Bad food locations: %v", m.Food)
}
if len(m.Ants) != 2 {
t.Fatalf("Bad ant locations: %v", m.Ants)
}
}
func TestMapNodeIsNode(t *testing.T) {
_ = Node(&MapNode{})
}
func TestMapEdgeIsEdge(t *testing.T) {
_ = Edge(&MapEdge{})
}
func TestMapNode(t *testing.T) {
m := NewMap(4, 3)
foodLoc := m.FromRowCol(2, 1)
m.AddFood(foodLoc)
if m.String() != `. . .
. . .
. * .
. . .
` {
t.Fatalf("unexpected map, got: `%s`", m)
}
mn := &m.grid[foodLoc]
edges := mn.Edges()
if edges == nil || len(edges) != 4 ||
edges[0].Target().(*MapNode).loc != m.FromRowCol(1, 1) ||
edges[1].Target().(*MapNode).loc != m.FromRowCol(2, 0) ||
edges[2].Target().(*MapNode).loc != m.FromRowCol(2, 2) ||
edges[3].Target().(*MapNode).loc != m.FromRowCol(3, 1) {
t.Fatalf("Incorrect edges, got %v", edges)
}
}
func TestMapNodeEdgesNotWater(t *testing.T) {
m := NewMap(4, 3)
foodLoc := m.FromRowCol(2, 1)
waterLoc := m.FromRowCol(3, 1)
m.AddFood(foodLoc)
m.AddWater(waterLoc)
if m.String() != `. . .
. . .
. * .
. % .
` {
t.Fatalf("unexpected map, got: `%s`", m)
}
mn := &m.grid[foodLoc]
edges := mn.Edges()
if edges == nil || len(edges) != 3 ||
edges[0].Target().(*MapNode).loc != m.FromRowCol(1, 1) ||
edges[1].Target().(*MapNode).loc != m.FromRowCol(2, 0) ||
edges[2].Target().(*MapNode).loc != m.FromRowCol(2, 2) {
t.Fatalf("Incorrect edges, got %v", edges)
}
}
func TestMapNodeEdgesWrapping(t *testing.T) {
m := NewMap(4, 3)
tl := m.FromRowCol(0, 0)
tr := m.FromRowCol(0, 2)
bl := m.FromRowCol(3, 0)
br := m.FromRowCol(3, 2)
edges := m.grid[tl].Edges()
if edges == nil || len(edges) != 4 ||
edges[0].Target().(*MapNode).loc != bl ||
edges[1].Target().(*MapNode).loc != tr ||
edges[2].Target().(*MapNode).loc != m.FromRowCol(0, 1) ||
edges[3].Target().(*MapNode).loc != m.FromRowCol(1, 0) {
t.Fatalf("Incorrect edges for top left, got %v", edges)
}
edges = m.grid[tr].Edges()
if edges == nil || len(edges) != 4 ||
edges[0].Target().(*MapNode).loc != br ||
edges[1].Target().(*MapNode).loc != m.FromRowCol(0, 1) ||
edges[2].Target().(*MapNode).loc != tl ||
edges[3].Target().(*MapNode).loc != m.FromRowCol(1, 2) {
t.Fatalf("Incorrect edges for top right, got %v", edges)
}
edges = m.grid[bl].Edges()
if edges == nil || len(edges) != 4 ||
edges[0].Target().(*MapNode).loc != m.FromRowCol(2, 0) ||
edges[1].Target().(*MapNode).loc != m.FromRowCol(3, 2) ||
edges[2].Target().(*MapNode).loc != m.FromRowCol(3, 1) ||
edges[3].Target().(*MapNode).loc != m.FromRowCol(0, 0) {
t.Fatalf("Incorrect edges for bottom left, got %v", edges)
}
edges = m.grid[br].Edges()
if edges == nil || len(edges) != 4 ||
edges[0].Target().(*MapNode).loc != m.FromRowCol(2, 2) ||
edges[1].Target().(*MapNode).loc != m.FromRowCol(3, 1) ||
edges[2].Target().(*MapNode).loc != bl ||
edges[3].Target().(*MapNode).loc != tr {
t.Fatalf("Incorrect edges for bottom right, got %v", edges)
}
}
func assertDirection(t *testing.T, m *Map, sr, sc, tr, tc int, d Direction) {
source_loc := m.FromRowCol(sr, sc)
target_loc := m.FromRowCol(tr, tc)
if x := m.DirectionFromLocations(source_loc, target_loc); x != d {
t.Errorf("Expected direction %s found %s", d, x)
}
}
func TestDirectionFromLocations(t *testing.T) {
m := NewMap(4, 3)
assertDirection(t, m, 0, 0, 0, 1, East)
assertDirection(t, m, 0, 0, 1, 0, South)
assertDirection(t, m, 0, 1, 0, 0, West)
assertDirection(t, m, 1, 0, 0, 0, North)
}
func TestDirectionFromLocationsWrapping(t *testing.T) {
m := NewMap(4, 3)
assertDirection(t, m, 0, 2, 0, 0, East)
assertDirection(t, m, 3, 0, 0, 0, South)
assertDirection(t, m, 0, 0, 0, 2, West)
assertDirection(t, m, 0, 0, 3, 0, North)
}
func TestDirectionFromLocationsIllegal(t *testing.T) {
m := NewMap(4, 4)
assertDirection(t, m, 0, 2, 0, 0, IllegalMovement)
assertDirection(t, m, 2, 0, 0, 0, IllegalMovement)
assertDirection(t, m, 0, 0, 0, 2, IllegalMovement)
assertDirection(t, m, 0, 0, 2, 0, IllegalMovement)
assertDirection(t, m, 0, 0, 1, 1, IllegalMovement)
}
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