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