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package index
import (
"fmt"
"os"
"slices"
"testing"
)
var indexCases map[string]func(t *testing.T) Index
func init() {
indexCases = make(map[string]func(t *testing.T) Index)
indexCases["single file"] = func(t *testing.T) Index {
root := t.TempDir()
index := Index{Root: root, Filters: []DocFilter{NewExtensionFilter(".md")}}
f, err := os.Create(root + "/a_file.md")
if err != nil {
t.Fatal(err)
}
f.WriteString("some file contents\n")
return index
}
indexCases["large file"] = func(t *testing.T) Index {
root := t.TempDir()
index := Index{Root: root}
return index
}
indexCases["worker saturation"] = func(t *testing.T) Index {
root := t.TempDir()
index := Index{Root: root}
permission := os.FileMode(0o777)
for _, dirName := range []string{"a", "b", "c", "d", "e", "f"} {
dir := root + "/" + dirName
if err := os.Mkdir(dir, permission); err != nil {
t.Fatal(err)
}
for i := range 8 {
fName := fmt.Sprint(dirName, i)
f, err := os.Create(dir + "/" + fName)
if err != nil {
t.Fatal(err)
}
f.WriteString(fName)
}
}
return index
}
}
func TestIndex_Traverse(t *testing.T) {
tests := []struct {
name string
indexCase func(t *testing.T) Index
numWorkers uint
want []string
}{
{name: "single file", indexCase: indexCases["single file"], numWorkers: 2, want: []string{"a_file.md"}},
{name: "saturation test", indexCase: indexCases["worker saturation"], numWorkers: 2, want: []string{
"a/a0", "a/a1", "a/a2", "a/a3", "a/a4", "a/a5", "a/a6", "a/a7",
"b/b0", "b/b1", "b/b2", "b/b3", "b/b4", "b/b5", "b/b6", "b/b7",
"c/c0", "c/c1", "c/c2", "c/c3", "c/c4", "c/c5", "c/c6", "c/c7",
"d/d0", "d/d1", "d/d2", "d/d3", "d/d4", "d/d5", "d/d6", "d/d7",
"e/e0", "e/e1", "e/e2", "e/e3", "e/e4", "e/e5", "e/e6", "e/e7",
"f/f0", "f/f1", "f/f2", "f/f3", "f/f4", "f/f5", "f/f6", "f/f7",
}},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
idx := tt.indexCase(t)
got := idx.Traverse(tt.numWorkers)
slices.Sort(got)
slices.Sort(tt.want)
n := min(len(got), len(tt.want))
if len(got) != len(tt.want) {
t.Errorf("Wanted %v got %v paths", len(tt.want), len(got))
t.Logf("Checking up to %d values", n)
}
for i := range n {
gotPath := got[i]
wantPath := idx.Root + "/" + tt.want[i]
if gotPath != wantPath {
t.Errorf("At %d wanted %v, got %v", i, wantPath, gotPath)
}
}
})
}
}
func TestIndex_Filter(t *testing.T) {
tests := []struct {
name string
paths []string
indexCase func(t *testing.T) Index
numWorkers uint
want []string
}{
{"single file", []string{"a_file.md"}, indexCases["single file"], 2, []string{"a_file.md"}},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
idx := tt.indexCase(t)
for i, path := range tt.paths {
tt.paths[i] = idx.Root + "/" + path
}
got := idx.Filter(tt.paths, tt.numWorkers)
slices.Sort(got)
slices.Sort(tt.want)
n := min(len(got), len(tt.want))
if len(got) != len(tt.want) {
t.Errorf("Wanted %v got %v paths", len(tt.want), len(got))
t.Logf("Checking up to %d values", n)
}
for i := range n {
gotPath := got[i]
wantPath := idx.Root + "/" + tt.want[i]
if gotPath != wantPath {
t.Errorf("At %d wanted %v, got %v", i, wantPath, gotPath)
}
}
})
}
}
|
