maze-solver-go/maze/parser/parser_test.go
Karma Riuk fcb2bc0d51 Reader -> Reader+Parser refacfotring: create the
parser package, moved the parsing aspect of reader
to parser (still have some naughty stuff like
WallChar and PathChar in parser but it'll be fixed
in next commit)
2023-08-05 10:38:46 +02:00

385 lines
7.7 KiB
Go

package parser
import (
"fmt"
"maze-solver/io/reader"
"maze-solver/maze"
"maze-solver/utils"
"testing"
)
func TestTextReadTrivial(t *testing.T) {
fmt.Println("---------- Trivial ----------")
/* trivial.txt
## ##
# #
### #
Nodes are
##0##
#123#
###4#
*/
nodes := make([]*maze.Node, 5)
nodes[0] = maze.NewNode(maze.Coordinates{X: 2, Y: 0})
nodes[1] = maze.NewNode(maze.Coordinates{X: 1, Y: 1})
nodes[2] = maze.NewNode(maze.Coordinates{X: 2, Y: 1})
nodes[3] = maze.NewNode(maze.Coordinates{X: 3, Y: 1})
nodes[4] = maze.NewNode(maze.Coordinates{X: 3, Y: 2})
nodes[0].Down = nodes[2]
nodes[1].Right = nodes[2]
nodes[2].Up = nodes[0]
nodes[2].Left = nodes[1]
nodes[2].Right = nodes[3]
nodes[3].Left = nodes[2]
nodes[3].Down = nodes[4]
nodes[4].Up = nodes[3]
reader := reader.TextReader{
Filename: "../../assets/trivial.txt",
PathChar: ' ',
WallChar: '#',
}
got, err := Parse(reader)
utils.Check(err, "Couldn't create maze from %q", reader.Filename)
if len(nodes) != len(got.Nodes) {
t.Fatalf("Didn't get the same size of nodes: %v, want %v", len(got.Nodes), len(nodes))
}
for i, got := range got.Nodes {
expected := nodes[i]
checkNode(t, i, got, expected, "")
checkNode(t, i, got.Left, expected.Left, "left")
checkNode(t, i, got.Right, expected.Right, "Right")
checkNode(t, i, got.Up, expected.Up, "Up")
checkNode(t, i, got.Down, expected.Down, "Down")
}
}
func TestTextReadTrivialBigger(t *testing.T) {
fmt.Println("---------- Trivial Bigger ----------")
/* trivial-bigger.txt
### ###
### ###
# #
##### #
##### #
Nodes are
###0###
### ###
#1 2 3#
##### #
#####4#
*/
nodes := make([]*maze.Node, 5)
nodes[0] = maze.NewNode(maze.Coordinates{X: 3, Y: 0})
nodes[1] = maze.NewNode(maze.Coordinates{X: 1, Y: 2})
nodes[2] = maze.NewNode(maze.Coordinates{X: 3, Y: 2})
nodes[3] = maze.NewNode(maze.Coordinates{X: 5, Y: 2})
nodes[4] = maze.NewNode(maze.Coordinates{X: 5, Y: 4})
nodes[0].Down = nodes[2]
nodes[1].Right = nodes[2]
nodes[2].Up = nodes[0]
nodes[2].Left = nodes[1]
nodes[2].Right = nodes[3]
nodes[3].Left = nodes[2]
nodes[3].Down = nodes[4]
nodes[4].Up = nodes[3]
reader := reader.TextReader{
Filename: "../../assets/trivial-bigger.txt",
PathChar: ' ',
WallChar: '#',
}
got, err := Parse(reader)
utils.Check(err, "Couldn't create maze from %q", reader.Filename)
if len(nodes) != len(got.Nodes) {
t.Fatalf("Didn't get the same size of nodes: %v, want %v", len(got.Nodes), len(nodes))
}
for _, node := range got.Nodes {
fmt.Println(node)
}
for i, got := range got.Nodes {
expected := nodes[i]
checkNode(t, i, got, expected, "")
checkNode(t, i, got.Left, expected.Left, "left")
checkNode(t, i, got.Right, expected.Right, "Right")
checkNode(t, i, got.Up, expected.Up, "Up")
checkNode(t, i, got.Down, expected.Down, "Down")
}
}
func TestTextReadTrivialBiggerStaggered(t *testing.T) {
fmt.Println("---------- Trivial Staggered ----------")
/* trivial-bigger-staggered.txt
### ###
### ###
# #
#### ##
#### ##
Nodes are
###0###
### ###
#1 243#
#### ##
####5##
*/
nodes := make([]*maze.Node, 6)
nodes[0] = maze.NewNode(maze.Coordinates{X: 3, Y: 0})
nodes[1] = maze.NewNode(maze.Coordinates{X: 1, Y: 2})
nodes[2] = maze.NewNode(maze.Coordinates{X: 3, Y: 2})
nodes[3] = maze.NewNode(maze.Coordinates{X: 5, Y: 2})
nodes[4] = maze.NewNode(maze.Coordinates{X: 4, Y: 2})
nodes[5] = maze.NewNode(maze.Coordinates{X: 4, Y: 4})
nodes[0].Down = nodes[2]
nodes[1].Right = nodes[2]
nodes[2].Up = nodes[0]
nodes[2].Left = nodes[1]
nodes[2].Right = nodes[4]
nodes[3].Left = nodes[4]
nodes[4].Down = nodes[5]
nodes[4].Left = nodes[2]
nodes[4].Right = nodes[3]
nodes[5].Up = nodes[4]
reader := reader.TextReader{
Filename: "../../assets/trivial-bigger-staggered.txt",
PathChar: ' ',
WallChar: '#',
}
got, err := Parse(reader)
utils.Check(err, "Couldn't create maze from %q", reader.Filename)
if len(nodes) != len(got.Nodes) {
t.Fatalf("Didn't get the same size of nodes: %v, want %v", len(got.Nodes), len(nodes))
}
for _, node := range got.Nodes {
fmt.Println(node)
}
for i, got := range got.Nodes {
expected := nodes[i]
checkNode(t, i, got, expected, "")
checkNode(t, i, got.Left, expected.Left, "left")
checkNode(t, i, got.Right, expected.Right, "Right")
checkNode(t, i, got.Up, expected.Up, "Up")
checkNode(t, i, got.Down, expected.Down, "Down")
}
}
func TestTextReadNormal(t *testing.T) {
return
fmt.Println("---------- Normal ----------")
/* trivial-bigger-staggered.txt
##### #####
# # #
##### ### #
# # #
# # ##### #
# # #
### ### # #
# # # #
# ####### #
# # #
##### #####
Nodes are
#####0#####
#1 2#3 4#
##### ### #
#5 6#7 8#
# # ##### #
#9#A G B#
### ### # #
#C D#E F# #
# ####### #
#H I#J K#
#####L#####
*/
// TODO: we are not detecting vertical dead-ends that go downwards
nodes := make([]*maze.Node, 22)
// ---- Node creation ----
coords := []struct{ x, y int }{
{5, 0}, // 0
{1, 1}, // 1
{5, 1}, // 2
{7, 1}, // 3
{9, 1}, // 4
{1, 3}, // 5
{3, 3}, // 6
{5, 3}, // 7
{9, 3}, // 8
{1, 5}, // 9
{3, 5}, // A (10)
{7, 5}, // G (16)
{9, 5}, // B (11)
{1, 7}, // C (12)
{3, 7}, // D (13)
{5, 7}, // E (14)
{7, 7}, // F (15)
{1, 9}, // H (17)
{5, 9}, // I (18)
{7, 9}, // J (19)
{9, 9}, // K (20)
{5, 10}, // L (21)
}
for i, coord := range coords {
nodes[i] = maze.NewNode(maze.Coordinates{X: coord.x, Y: coord.y})
}
// ---- Node linking ----
nodes[0].Down = nodes[2]
nodes[1].Right = nodes[2]
nodes[2].Up = nodes[0]
nodes[2].Left = nodes[1]
nodes[2].Down = nodes[7]
nodes[3].Right = nodes[4]
nodes[4].Left = nodes[3]
nodes[4].Down = nodes[8]
nodes[5].Right = nodes[6]
nodes[5].Down = nodes[9]
nodes[6].Left = nodes[5]
nodes[6].Down = nodes[10]
nodes[7].Right = nodes[8]
nodes[8].Up = nodes[4]
nodes[8].Left = nodes[7]
nodes[8].Down = nodes[11]
nodes[9].Up = nodes[5]
nodes[10].Up = nodes[6]
nodes[10].Right = nodes[16]
nodes[10].Down = nodes[13]
nodes[11].Up = nodes[6]
nodes[11].Right = nodes[16]
nodes[11].Down = nodes[20]
nodes[12].Right = nodes[13]
nodes[12].Down = nodes[17]
nodes[13].Up = nodes[10]
nodes[13].Left = nodes[16]
nodes[14].Right = nodes[15]
nodes[15].Up = nodes[16]
nodes[15].Left = nodes[14]
nodes[16].Left = nodes[10]
nodes[16].Right = nodes[11]
nodes[16].Down = nodes[15]
nodes[17].Up = nodes[12]
nodes[17].Right = nodes[18]
nodes[18].Left = nodes[17]
nodes[18].Down = nodes[21]
nodes[19].Right = nodes[20]
nodes[20].Up = nodes[11]
nodes[20].Left = nodes[19]
nodes[21].Up = nodes[20]
reader := reader.TextReader{
Filename: "../../assets/normal.txt",
PathChar: ' ',
WallChar: '#',
}
got, err := Parse(reader)
utils.Check(err, "Couldn't create maze from %q", reader.Filename)
if len(nodes) != len(got.Nodes) {
for i, node := range got.Nodes {
fmt.Printf("%v: %v\n", i, node)
}
t.Fatalf("Didn't get the same size of nodes: %v, want %v", len(got.Nodes), len(nodes))
}
for _, node := range got.Nodes {
fmt.Println(node)
}
for i, got := range got.Nodes {
expected := nodes[i]
checkNode(t, i, got, expected, "")
checkNode(t, i, got.Left, expected.Left, "left")
checkNode(t, i, got.Right, expected.Right, "Right")
checkNode(t, i, got.Up, expected.Up, "Up")
checkNode(t, i, got.Down, expected.Down, "Down")
}
}
func checkNode(t *testing.T, i int, got *maze.Node, expected *maze.Node, side string) {
if expected == nil {
return
}
if got == nil {
t.Fatalf("No %s node of %v, want %v", side, i, expected.Coords)
}
if got.Coords != expected.Coords {
t.Fatalf("Coords %s node of %v: %v, but want %v", side, i, got.Coords, expected.Coords)
}
}