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tiler_test.go
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tiler_test.go
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package tiler
import (
"context"
"os"
"path/filepath"
"reflect"
"testing"
"github.com/mfbonfigli/gocesiumtiler/v2/internal/conv/coor"
"github.com/mfbonfigli/gocesiumtiler/v2/internal/las"
"github.com/mfbonfigli/gocesiumtiler/v2/internal/tree"
"github.com/mfbonfigli/gocesiumtiler/v2/internal/utils"
"github.com/mfbonfigli/gocesiumtiler/v2/internal/writer"
)
func TestTilerDefaults(t *testing.T) {
tiler, err := NewGoCesiumTiler()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
tr := tiler.treeProvider(NewDefaultTilerOptions())
switch tr.(type) {
case *tree.GridTreeNode:
default:
t.Errorf("unexpected tree type returned")
}
// this returns an error due to a non-esitant path
// but we ignore it on purpose for the sake of this test
l, _ := tiler.lasReaderProvider([]string{""}, 123, true)
switch l.(type) {
case *las.CombinedFileLasReader:
default:
t.Errorf("unexpected las reader type returned")
}
// this returns an error due to a non-esitant path
// but we ignore it on purpose for the sake of this test
w, err := tiler.writerProvider("", nil, NewDefaultTilerOptions())
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
switch w.(type) {
case *writer.StandardWriter:
default:
t.Errorf("unexpected writer type returned")
}
}
func TestTilerProcessFile(t *testing.T) {
tiler, err := NewGoCesiumTiler()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
w := &writer.MockWriter{}
tr := &tree.MockNode{}
l := &las.MockLasReader{}
opts := NewDefaultTilerOptions()
c := context.TODO()
tiler.writerProvider = func(folder string, c coor.CoordinateConverter, opts *TilerOptions) (writer.Writer, error) {
return w, nil
}
tiler.treeProvider = func(opts *TilerOptions) tree.Tree {
return tr
}
tiler.lasReaderProvider = func(inputLasFiles []string, epsgCode int, eightbit bool) (las.LasReader, error) {
return l, nil
}
tiler.ProcessFiles([]string{"abc.las"}, "out", 123, opts, c)
if !tr.LoadCalled {
t.Errorf("Load was not called on the tree")
}
if actual := tr.Las; actual != l {
t.Errorf("expected las reader %v got %v", l, actual)
}
if actual := tr.Conv; actual == nil {
t.Errorf("expected non-nil coordinate converter")
}
if actual := tr.Elev; actual == nil {
t.Errorf("expected non-nil elevation converter")
}
if actual := tr.Ctx; actual != c {
t.Errorf("expected different context")
}
if !tr.BuildCalled {
t.Errorf("Build was not called on the tree")
}
if !w.WriteCalled {
t.Errorf("Write was not called on the writer")
}
if actual := w.Tr; actual != tr {
t.Errorf("expected tree %v got %v", tr, actual)
}
if actual := w.FolderName; actual != "" {
t.Errorf("expected folder name '%v' got %v", "", actual)
}
if actual := w.Ctx; actual != c {
t.Errorf("expected different context")
}
}
func TestTilerProcessFolder(t *testing.T) {
tiler, err := NewGoCesiumTiler()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
w := &writer.MockWriter{}
tr := &tree.MockNode{}
l := &las.MockLasReader{}
opts := NewDefaultTilerOptions()
c := context.TODO()
tiler.writerProvider = func(folder string, c coor.CoordinateConverter, opts *TilerOptions) (writer.Writer, error) {
return w, nil
}
tiler.treeProvider = func(opts *TilerOptions) tree.Tree {
return tr
}
files := []string{}
tiler.lasReaderProvider = func(inputLasFiles []string, epsgCode int, eightbit bool) (las.LasReader, error) {
files = append(files, inputLasFiles...)
return l, nil
}
tmp, err := os.MkdirTemp(os.TempDir(), "tst")
if err != nil {
t.Fatalf("unexpected error %v", err)
}
t.Cleanup(func() {
os.RemoveAll(tmp)
})
utils.TouchFile(filepath.Join(tmp, "abc.las"))
utils.TouchFile(filepath.Join(tmp, "def.xyz"))
utils.TouchFile(filepath.Join(tmp, "ghi.las"))
tiler.ProcessFolder(tmp, "out", 123, opts, c)
if !tr.LoadCalled {
t.Errorf("Load was not called on the tree")
}
if actual := tr.Las; actual != l {
t.Errorf("expected las reader %v got %v", l, actual)
}
if actual := tr.Conv; actual == nil {
t.Errorf("expected non-nil coordinate converter")
}
if actual := tr.Elev; actual == nil {
t.Errorf("expected non-nil elevation converter")
}
if actual := tr.Ctx; actual != c {
t.Errorf("expected different context")
}
if !tr.BuildCalled {
t.Errorf("Build was not called on the tree")
}
if !w.WriteCalled {
t.Errorf("Write was not called on the writer")
}
if actual := w.Tr; actual != tr {
t.Errorf("expected tree %v got %v", tr, actual)
}
if actual := w.FolderName; actual != "" {
t.Errorf("expected folder name '%v' got %v", "", actual)
}
if actual := w.Ctx; actual != c {
t.Errorf("expected different context")
}
expected := []string{
filepath.Join(tmp, "abc.las"),
filepath.Join(tmp, "ghi.las"),
}
if !reflect.DeepEqual(files, expected) {
t.Errorf("expected files processed %v, got %v", files, expected)
}
}