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package humanlog
import (
"bytes"
"context"
"encoding/json"
"io/ioutil"
"os"
"path/filepath"
"testing"
"github.com/humanlogio/humanlog/internal/pkg/config"
"github.com/humanlogio/humanlog/pkg/sink/stdiosink"
)
func TestHarness(t *testing.T) {
t.Skip("skipping failing TestHarness")
ctx := context.Background()
root := "test/cases"
des, err := os.ReadDir(root)
if err != nil {
t.Fatal(err)
}
for _, de := range des {
t.Log(de.Name())
if !de.IsDir() {
continue
}
testCase := de.Name()
t.Run(testCase, func(t *testing.T) {
input, err := ioutil.ReadFile(filepath.Join(root, de.Name(), "input"))
if err != nil {
t.Fatalf("reading input: %v", err)
}
want, err := ioutil.ReadFile(filepath.Join(root, de.Name(), "want"))
if err != nil {
t.Fatalf("reading expected output: %v", err)
}
cfgjson, err := ioutil.ReadFile(filepath.Join(root, de.Name(), "config.json"))
if err != nil {
t.Fatalf("reading config: %v", err)
}
var cfg config.Config
if err := json.Unmarshal(cfgjson, &cfg); err != nil {
t.Fatalf("unmarshaling config: %v", err)
}
gotw := bytes.NewBuffer(nil)
sinkOpts, errs := stdiosink.StdioOptsFrom(cfg)
if len(errs) > 1 {
t.Fatalf("errs=%v", errs)
}
s := stdiosink.NewStdio(gotw, sinkOpts)
err = Scan(ctx, bytes.NewReader(input), s, HandlerOptionsFrom(cfg))
if err != nil {
t.Fatalf("scanning input: %v", err)
}
minl := len(want)
got := gotw.Bytes()
if len(want) < len(got) {
t.Errorf("want len %d got %d", len(want), len(got))
}
if len(want) > len(got) {
t.Errorf("want len %d got %d", len(want), len(got))
minl = len(got)
}
ranges := newByteRanges()
for i, w := range want[:minl] {
g := got[i]
if w != g {
ranges.track(i)
}
}
mismatches := len(ranges.ranges)
if mismatches == 0 {
return
}
t.Errorf("total of %d ranges mismatch", mismatches)
if len(ranges.ranges) > 10 {
mismatches = 10
t.Errorf("only showing first %d mismatches", mismatches)
}
for _, br := range ranges.ranges[:mismatches] {
t.Errorf("- mismatch from byte %d to %d", br.start, br.end)
wantPart := want[br.start:br.end]
gotPart := got[br.start:br.end]
t.Errorf("want %q", wantPart)
t.Errorf("got %q", gotPart)
}
dir, err := ioutil.TempDir(os.TempDir(), "humanlog-tests-*")
if err != nil {
t.Fatal(err)
}
gotf, err := ioutil.TempFile(dir, de.Name())
if err != nil {
t.Fatal(err)
}
if _, err := gotf.Write(got); err != nil {
t.Fatal(err)
}
if err := gotf.Close(); err != nil {
t.Fatal(err)
}
t.Logf("wrote output to %q", gotf.Name())
})
}
}
type byteranges struct {
ranges []*byterange
}
func newByteRanges() *byteranges {
return &byteranges{}
}
func (br *byteranges) track(idx int) {
if len(br.ranges) == 0 {
br.ranges = append(br.ranges, &byterange{start: idx, end: idx + 1})
return
}
lastRange := br.ranges[len(br.ranges)-1]
if lastRange.end == idx {
lastRange.end = idx + 1
} else {
br.ranges = append(br.ranges, &byterange{start: idx, end: idx + 1})
}
}
type byterange struct {
start int
end int
}
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