Add unit tests for checker/scanner and validate input paths

- Add comprehensive unit tests for internal/checker (88.5% coverage)
  - Status string representations
  - NewChecker validation
  - Check operation (OK, missing, size/hash mismatch)
  - Progress reporting and context cancellation
  - FindExtraFiles functionality

- Add comprehensive unit tests for internal/scanner (80.1% coverage)
  - Constructors and options
  - File/path enumeration
  - Dotfile exclusion/inclusion
  - ToManifest with progress and cancellation
  - Non-blocking status channel sends

- Validate input paths before scanning in generate command
  - Fail fast with clear error if paths don't exist
  - Prevents confusing errors deep in enumeration
This commit is contained in:
Jeffrey Paul 2025-12-17 16:57:01 -08:00
parent 07db5d434f
commit d3776d7d7c
4 changed files with 810 additions and 2 deletions

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@ -0,0 +1,405 @@
package checker
import (
"bytes"
"context"
"testing"
"time"
"github.com/spf13/afero"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"sneak.berlin/go/mfer/mfer"
)
func TestStatusString(t *testing.T) {
tests := []struct {
status Status
expected string
}{
{StatusOK, "OK"},
{StatusMissing, "MISSING"},
{StatusSizeMismatch, "SIZE_MISMATCH"},
{StatusHashMismatch, "HASH_MISMATCH"},
{StatusExtra, "EXTRA"},
{StatusError, "ERROR"},
{Status(99), "UNKNOWN"},
}
for _, tt := range tests {
t.Run(tt.expected, func(t *testing.T) {
assert.Equal(t, tt.expected, tt.status.String())
})
}
}
// createTestManifest creates a manifest file in the filesystem with the given files.
func createTestManifest(t *testing.T, fs afero.Fs, manifestPath string, files map[string][]byte) {
t.Helper()
builder := mfer.NewBuilder()
for path, content := range files {
reader := bytes.NewReader(content)
_, err := builder.AddFile(path, int64(len(content)), time.Now(), reader, nil)
require.NoError(t, err)
}
var buf bytes.Buffer
require.NoError(t, builder.Build(&buf))
require.NoError(t, afero.WriteFile(fs, manifestPath, buf.Bytes(), 0644))
}
// createFilesOnDisk creates the given files on the filesystem.
func createFilesOnDisk(t *testing.T, fs afero.Fs, basePath string, files map[string][]byte) {
t.Helper()
for path, content := range files {
fullPath := basePath + "/" + path
require.NoError(t, fs.MkdirAll(basePath, 0755))
require.NoError(t, afero.WriteFile(fs, fullPath, content, 0644))
}
}
func TestNewChecker(t *testing.T) {
t.Run("valid manifest", func(t *testing.T) {
fs := afero.NewMemMapFs()
files := map[string][]byte{
"file1.txt": []byte("hello"),
"file2.txt": []byte("world"),
}
createTestManifest(t, fs, "/manifest.mf", files)
chk, err := NewChecker("/manifest.mf", "/", fs)
require.NoError(t, err)
assert.NotNil(t, chk)
assert.Equal(t, int64(2), chk.FileCount())
})
t.Run("missing manifest", func(t *testing.T) {
fs := afero.NewMemMapFs()
_, err := NewChecker("/nonexistent.mf", "/", fs)
assert.Error(t, err)
})
t.Run("invalid manifest", func(t *testing.T) {
fs := afero.NewMemMapFs()
require.NoError(t, afero.WriteFile(fs, "/bad.mf", []byte("not a manifest"), 0644))
_, err := NewChecker("/bad.mf", "/", fs)
assert.Error(t, err)
})
}
func TestCheckerFileCountAndTotalBytes(t *testing.T) {
fs := afero.NewMemMapFs()
files := map[string][]byte{
"small.txt": []byte("hi"),
"medium.txt": []byte("hello world"),
"large.txt": bytes.Repeat([]byte("x"), 1000),
}
createTestManifest(t, fs, "/manifest.mf", files)
chk, err := NewChecker("/manifest.mf", "/", fs)
require.NoError(t, err)
assert.Equal(t, int64(3), chk.FileCount())
assert.Equal(t, int64(2+11+1000), chk.TotalBytes())
}
func TestCheckAllFilesOK(t *testing.T) {
fs := afero.NewMemMapFs()
files := map[string][]byte{
"file1.txt": []byte("content one"),
"file2.txt": []byte("content two"),
}
createTestManifest(t, fs, "/manifest.mf", files)
createFilesOnDisk(t, fs, "/data", files)
chk, err := NewChecker("/manifest.mf", "/data", fs)
require.NoError(t, err)
results := make(chan Result, 10)
err = chk.Check(context.Background(), results, nil)
require.NoError(t, err)
var resultList []Result
for r := range results {
resultList = append(resultList, r)
}
assert.Len(t, resultList, 2)
for _, r := range resultList {
assert.Equal(t, StatusOK, r.Status, "file %s should be OK", r.Path)
}
}
func TestCheckMissingFile(t *testing.T) {
fs := afero.NewMemMapFs()
files := map[string][]byte{
"exists.txt": []byte("I exist"),
"missing.txt": []byte("I don't exist on disk"),
}
createTestManifest(t, fs, "/manifest.mf", files)
// Only create one file
createFilesOnDisk(t, fs, "/data", map[string][]byte{
"exists.txt": []byte("I exist"),
})
chk, err := NewChecker("/manifest.mf", "/data", fs)
require.NoError(t, err)
results := make(chan Result, 10)
err = chk.Check(context.Background(), results, nil)
require.NoError(t, err)
var okCount, missingCount int
for r := range results {
switch r.Status {
case StatusOK:
okCount++
case StatusMissing:
missingCount++
assert.Equal(t, "missing.txt", r.Path)
}
}
assert.Equal(t, 1, okCount)
assert.Equal(t, 1, missingCount)
}
func TestCheckSizeMismatch(t *testing.T) {
fs := afero.NewMemMapFs()
files := map[string][]byte{
"file.txt": []byte("original content"),
}
createTestManifest(t, fs, "/manifest.mf", files)
// Create file with different size
createFilesOnDisk(t, fs, "/data", map[string][]byte{
"file.txt": []byte("short"),
})
chk, err := NewChecker("/manifest.mf", "/data", fs)
require.NoError(t, err)
results := make(chan Result, 10)
err = chk.Check(context.Background(), results, nil)
require.NoError(t, err)
r := <-results
assert.Equal(t, StatusSizeMismatch, r.Status)
assert.Equal(t, "file.txt", r.Path)
}
func TestCheckHashMismatch(t *testing.T) {
fs := afero.NewMemMapFs()
originalContent := []byte("original content")
files := map[string][]byte{
"file.txt": originalContent,
}
createTestManifest(t, fs, "/manifest.mf", files)
// Create file with same size but different content
differentContent := []byte("different contnt") // same length (16 bytes) but different
require.Equal(t, len(originalContent), len(differentContent), "test requires same length")
createFilesOnDisk(t, fs, "/data", map[string][]byte{
"file.txt": differentContent,
})
chk, err := NewChecker("/manifest.mf", "/data", fs)
require.NoError(t, err)
results := make(chan Result, 10)
err = chk.Check(context.Background(), results, nil)
require.NoError(t, err)
r := <-results
assert.Equal(t, StatusHashMismatch, r.Status)
assert.Equal(t, "file.txt", r.Path)
}
func TestCheckWithProgress(t *testing.T) {
fs := afero.NewMemMapFs()
files := map[string][]byte{
"file1.txt": bytes.Repeat([]byte("a"), 100),
"file2.txt": bytes.Repeat([]byte("b"), 200),
}
createTestManifest(t, fs, "/manifest.mf", files)
createFilesOnDisk(t, fs, "/data", files)
chk, err := NewChecker("/manifest.mf", "/data", fs)
require.NoError(t, err)
results := make(chan Result, 10)
progress := make(chan CheckStatus, 10)
err = chk.Check(context.Background(), results, progress)
require.NoError(t, err)
// Drain results
for range results {
}
// Check progress was sent
var progressUpdates []CheckStatus
for p := range progress {
progressUpdates = append(progressUpdates, p)
}
assert.NotEmpty(t, progressUpdates)
// Final progress should show all files checked
final := progressUpdates[len(progressUpdates)-1]
assert.Equal(t, int64(2), final.TotalFiles)
assert.Equal(t, int64(2), final.CheckedFiles)
assert.Equal(t, int64(300), final.TotalBytes)
assert.Equal(t, int64(300), final.CheckedBytes)
assert.Equal(t, int64(0), final.Failures)
}
func TestCheckContextCancellation(t *testing.T) {
fs := afero.NewMemMapFs()
// Create many files to ensure we have time to cancel
files := make(map[string][]byte)
for i := 0; i < 100; i++ {
files[string(rune('a'+i%26))+".txt"] = bytes.Repeat([]byte("x"), 1000)
}
createTestManifest(t, fs, "/manifest.mf", files)
createFilesOnDisk(t, fs, "/data", files)
chk, err := NewChecker("/manifest.mf", "/data", fs)
require.NoError(t, err)
ctx, cancel := context.WithCancel(context.Background())
cancel() // Cancel immediately
results := make(chan Result, 200)
err = chk.Check(ctx, results, nil)
assert.ErrorIs(t, err, context.Canceled)
}
func TestFindExtraFiles(t *testing.T) {
fs := afero.NewMemMapFs()
// Manifest only contains file1
manifestFiles := map[string][]byte{
"file1.txt": []byte("in manifest"),
}
createTestManifest(t, fs, "/manifest.mf", manifestFiles)
// Disk has file1 and file2
createFilesOnDisk(t, fs, "/data", map[string][]byte{
"file1.txt": []byte("in manifest"),
"file2.txt": []byte("extra file"),
})
chk, err := NewChecker("/manifest.mf", "/data", fs)
require.NoError(t, err)
results := make(chan Result, 10)
err = chk.FindExtraFiles(context.Background(), results)
require.NoError(t, err)
var extras []Result
for r := range results {
extras = append(extras, r)
}
assert.Len(t, extras, 1)
assert.Equal(t, "file2.txt", extras[0].Path)
assert.Equal(t, StatusExtra, extras[0].Status)
assert.Equal(t, "not in manifest", extras[0].Message)
}
func TestFindExtraFilesContextCancellation(t *testing.T) {
fs := afero.NewMemMapFs()
files := map[string][]byte{"file.txt": []byte("data")}
createTestManifest(t, fs, "/manifest.mf", files)
createFilesOnDisk(t, fs, "/data", files)
chk, err := NewChecker("/manifest.mf", "/data", fs)
require.NoError(t, err)
ctx, cancel := context.WithCancel(context.Background())
cancel() // Cancel immediately
results := make(chan Result, 10)
err = chk.FindExtraFiles(ctx, results)
assert.ErrorIs(t, err, context.Canceled)
}
func TestCheckNilChannels(t *testing.T) {
fs := afero.NewMemMapFs()
files := map[string][]byte{"file.txt": []byte("data")}
createTestManifest(t, fs, "/manifest.mf", files)
createFilesOnDisk(t, fs, "/data", files)
chk, err := NewChecker("/manifest.mf", "/data", fs)
require.NoError(t, err)
// Should not panic with nil channels
err = chk.Check(context.Background(), nil, nil)
assert.NoError(t, err)
}
func TestFindExtraFilesNilChannel(t *testing.T) {
fs := afero.NewMemMapFs()
files := map[string][]byte{"file.txt": []byte("data")}
createTestManifest(t, fs, "/manifest.mf", files)
createFilesOnDisk(t, fs, "/data", files)
chk, err := NewChecker("/manifest.mf", "/data", fs)
require.NoError(t, err)
// Should not panic with nil channel
err = chk.FindExtraFiles(context.Background(), nil)
assert.NoError(t, err)
}
func TestCheckSubdirectories(t *testing.T) {
fs := afero.NewMemMapFs()
files := map[string][]byte{
"dir1/file1.txt": []byte("content1"),
"dir1/dir2/file2.txt": []byte("content2"),
"dir1/dir2/dir3/deep.txt": []byte("deep content"),
}
createTestManifest(t, fs, "/manifest.mf", files)
// Create files with full directory structure
for path, content := range files {
fullPath := "/data/" + path
require.NoError(t, fs.MkdirAll("/data/dir1/dir2/dir3", 0755))
require.NoError(t, afero.WriteFile(fs, fullPath, content, 0644))
}
chk, err := NewChecker("/manifest.mf", "/data", fs)
require.NoError(t, err)
results := make(chan Result, 10)
err = chk.Check(context.Background(), results, nil)
require.NoError(t, err)
var okCount int
for r := range results {
assert.Equal(t, StatusOK, r.Status, "file %s should be OK", r.Path)
okCount++
}
assert.Equal(t, 3, okCount)
}
func TestCheckEmptyManifest(t *testing.T) {
fs := afero.NewMemMapFs()
// Create manifest with no files
createTestManifest(t, fs, "/manifest.mf", map[string][]byte{})
chk, err := NewChecker("/manifest.mf", "/data", fs)
require.NoError(t, err)
assert.Equal(t, int64(0), chk.FileCount())
assert.Equal(t, int64(0), chk.TotalBytes())
results := make(chan Result, 10)
err = chk.Check(context.Background(), results, nil)
require.NoError(t, err)
var count int
for range results {
count++
}
assert.Equal(t, 0, count)
}

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@ -485,6 +485,42 @@ func TestGenerateAtomicWriteCleansUpOnError(t *testing.T) {
assert.False(t, tmpExists, "temp file should be cleaned up after failed generation")
}
func TestGenerateValidatesInputPaths(t *testing.T) {
fs := afero.NewMemMapFs()
// Create one valid directory
require.NoError(t, fs.MkdirAll("/validdir", 0755))
require.NoError(t, afero.WriteFile(fs, "/validdir/file.txt", []byte("content"), 0644))
t.Run("nonexistent path fails fast", func(t *testing.T) {
opts := testOpts([]string{"mfer", "generate", "-q", "-o", "/output.mf", "/nonexistent"}, fs)
exitCode := RunWithOptions(opts)
assert.Equal(t, 1, exitCode)
stderr := opts.Stderr.(*bytes.Buffer).String()
assert.Contains(t, stderr, "path does not exist")
assert.Contains(t, stderr, "/nonexistent")
})
t.Run("mix of valid and invalid paths fails fast", func(t *testing.T) {
opts := testOpts([]string{"mfer", "generate", "-q", "-o", "/output.mf", "/validdir", "/alsononexistent"}, fs)
exitCode := RunWithOptions(opts)
assert.Equal(t, 1, exitCode)
stderr := opts.Stderr.(*bytes.Buffer).String()
assert.Contains(t, stderr, "path does not exist")
assert.Contains(t, stderr, "/alsononexistent")
// Output file should not have been created
exists, _ := afero.Exists(fs, "/output.mf")
assert.False(t, exists, "output file should not exist when path validation fails")
})
t.Run("valid paths succeed", func(t *testing.T) {
opts := testOpts([]string{"mfer", "generate", "-q", "-o", "/output.mf", "/validdir"}, fs)
exitCode := RunWithOptions(opts)
assert.Equal(t, 0, exitCode)
})
}
func TestCheckDetectsManifestCorruption(t *testing.T) {
fs := afero.NewMemMapFs()
rng := rand.New(rand.NewSource(42))

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@ -54,13 +54,18 @@ func (mfa *CLIApp) generateManifestOperation(ctx *cli.Context) error {
return err
}
} else {
// Collect all paths first
// Collect and validate all paths first
paths := make([]string, 0, args.Len())
for i := 0; i < args.Len(); i++ {
ap, err := filepath.Abs(args.Get(i))
inputPath := args.Get(i)
ap, err := filepath.Abs(inputPath)
if err != nil {
return err
}
// Validate path exists before adding to list
if exists, _ := afero.Exists(mfa.Fs, ap); !exists {
return fmt.Errorf("path does not exist: %s", inputPath)
}
log.Debugf("enumerating path: %s", ap)
paths = append(paths, ap)
}

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@ -0,0 +1,362 @@
package scanner
import (
"bytes"
"context"
"testing"
"time"
"github.com/spf13/afero"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestNew(t *testing.T) {
s := New()
assert.NotNil(t, s)
assert.Equal(t, int64(0), s.FileCount())
assert.Equal(t, int64(0), s.TotalBytes())
}
func TestNewWithOptions(t *testing.T) {
t.Run("nil options", func(t *testing.T) {
s := NewWithOptions(nil)
assert.NotNil(t, s)
})
t.Run("with options", func(t *testing.T) {
fs := afero.NewMemMapFs()
opts := &Options{
IncludeDotfiles: true,
FollowSymLinks: true,
Fs: fs,
}
s := NewWithOptions(opts)
assert.NotNil(t, s)
})
}
func TestEnumerateFile(t *testing.T) {
fs := afero.NewMemMapFs()
require.NoError(t, afero.WriteFile(fs, "/test.txt", []byte("hello world"), 0644))
s := NewWithOptions(&Options{Fs: fs})
err := s.EnumerateFile("/test.txt")
require.NoError(t, err)
assert.Equal(t, int64(1), s.FileCount())
assert.Equal(t, int64(11), s.TotalBytes())
files := s.Files()
require.Len(t, files, 1)
assert.Equal(t, "test.txt", files[0].Path)
assert.Equal(t, int64(11), files[0].Size)
}
func TestEnumerateFileMissing(t *testing.T) {
fs := afero.NewMemMapFs()
s := NewWithOptions(&Options{Fs: fs})
err := s.EnumerateFile("/nonexistent.txt")
assert.Error(t, err)
}
func TestEnumeratePath(t *testing.T) {
fs := afero.NewMemMapFs()
require.NoError(t, fs.MkdirAll("/testdir/subdir", 0755))
require.NoError(t, afero.WriteFile(fs, "/testdir/file1.txt", []byte("one"), 0644))
require.NoError(t, afero.WriteFile(fs, "/testdir/file2.txt", []byte("two"), 0644))
require.NoError(t, afero.WriteFile(fs, "/testdir/subdir/file3.txt", []byte("three"), 0644))
s := NewWithOptions(&Options{Fs: fs})
err := s.EnumeratePath("/testdir", nil)
require.NoError(t, err)
assert.Equal(t, int64(3), s.FileCount())
assert.Equal(t, int64(3+3+5), s.TotalBytes())
}
func TestEnumeratePathWithProgress(t *testing.T) {
fs := afero.NewMemMapFs()
require.NoError(t, fs.MkdirAll("/testdir", 0755))
require.NoError(t, afero.WriteFile(fs, "/testdir/file1.txt", []byte("one"), 0644))
require.NoError(t, afero.WriteFile(fs, "/testdir/file2.txt", []byte("two"), 0644))
s := NewWithOptions(&Options{Fs: fs})
progress := make(chan EnumerateStatus, 10)
err := s.EnumeratePath("/testdir", progress)
require.NoError(t, err)
var updates []EnumerateStatus
for p := range progress {
updates = append(updates, p)
}
assert.NotEmpty(t, updates)
// Final update should show all files
final := updates[len(updates)-1]
assert.Equal(t, int64(2), final.FilesFound)
assert.Equal(t, int64(6), final.BytesFound)
}
func TestEnumeratePaths(t *testing.T) {
fs := afero.NewMemMapFs()
require.NoError(t, fs.MkdirAll("/dir1", 0755))
require.NoError(t, fs.MkdirAll("/dir2", 0755))
require.NoError(t, afero.WriteFile(fs, "/dir1/a.txt", []byte("aaa"), 0644))
require.NoError(t, afero.WriteFile(fs, "/dir2/b.txt", []byte("bbb"), 0644))
s := NewWithOptions(&Options{Fs: fs})
err := s.EnumeratePaths(nil, "/dir1", "/dir2")
require.NoError(t, err)
assert.Equal(t, int64(2), s.FileCount())
}
func TestExcludeDotfiles(t *testing.T) {
fs := afero.NewMemMapFs()
require.NoError(t, fs.MkdirAll("/testdir/.hidden", 0755))
require.NoError(t, afero.WriteFile(fs, "/testdir/visible.txt", []byte("visible"), 0644))
require.NoError(t, afero.WriteFile(fs, "/testdir/.hidden.txt", []byte("hidden"), 0644))
require.NoError(t, afero.WriteFile(fs, "/testdir/.hidden/inside.txt", []byte("inside"), 0644))
t.Run("exclude by default", func(t *testing.T) {
s := NewWithOptions(&Options{Fs: fs, IncludeDotfiles: false})
err := s.EnumeratePath("/testdir", nil)
require.NoError(t, err)
assert.Equal(t, int64(1), s.FileCount())
files := s.Files()
assert.Equal(t, "visible.txt", files[0].Path)
})
t.Run("include when enabled", func(t *testing.T) {
s := NewWithOptions(&Options{Fs: fs, IncludeDotfiles: true})
err := s.EnumeratePath("/testdir", nil)
require.NoError(t, err)
assert.Equal(t, int64(3), s.FileCount())
})
}
func TestPathIsHidden(t *testing.T) {
tests := []struct {
path string
hidden bool
}{
{"file.txt", false},
{".hidden", true},
{"dir/file.txt", false},
{"dir/.hidden", true},
{".dir/file.txt", true},
{"/absolute/path", false},
{"/absolute/.hidden", true},
{"./relative", false}, // path.Clean removes leading ./
{"a/b/c/.d/e", true},
}
for _, tt := range tests {
t.Run(tt.path, func(t *testing.T) {
assert.Equal(t, tt.hidden, pathIsHidden(tt.path), "pathIsHidden(%q)", tt.path)
})
}
}
func TestToManifest(t *testing.T) {
fs := afero.NewMemMapFs()
require.NoError(t, fs.MkdirAll("/testdir", 0755))
require.NoError(t, afero.WriteFile(fs, "/testdir/file1.txt", []byte("content one"), 0644))
require.NoError(t, afero.WriteFile(fs, "/testdir/file2.txt", []byte("content two"), 0644))
s := NewWithOptions(&Options{Fs: fs})
err := s.EnumeratePath("/testdir", nil)
require.NoError(t, err)
var buf bytes.Buffer
err = s.ToManifest(context.Background(), &buf, nil)
require.NoError(t, err)
// Manifest should have magic bytes
assert.True(t, buf.Len() > 0)
assert.Equal(t, "ZNAVSRFG", string(buf.Bytes()[:8]))
}
func TestToManifestWithProgress(t *testing.T) {
fs := afero.NewMemMapFs()
require.NoError(t, fs.MkdirAll("/testdir", 0755))
require.NoError(t, afero.WriteFile(fs, "/testdir/file.txt", bytes.Repeat([]byte("x"), 1000), 0644))
s := NewWithOptions(&Options{Fs: fs})
err := s.EnumeratePath("/testdir", nil)
require.NoError(t, err)
var buf bytes.Buffer
progress := make(chan ScanStatus, 10)
err = s.ToManifest(context.Background(), &buf, progress)
require.NoError(t, err)
var updates []ScanStatus
for p := range progress {
updates = append(updates, p)
}
assert.NotEmpty(t, updates)
// Final update should show completion
final := updates[len(updates)-1]
assert.Equal(t, int64(1), final.TotalFiles)
assert.Equal(t, int64(1), final.ScannedFiles)
assert.Equal(t, int64(1000), final.TotalBytes)
assert.Equal(t, int64(1000), final.ScannedBytes)
}
func TestToManifestContextCancellation(t *testing.T) {
fs := afero.NewMemMapFs()
require.NoError(t, fs.MkdirAll("/testdir", 0755))
// Create many files to ensure we have time to cancel
for i := 0; i < 100; i++ {
name := string(rune('a'+i%26)) + string(rune('0'+i/26)) + ".txt"
require.NoError(t, afero.WriteFile(fs, "/testdir/"+name, bytes.Repeat([]byte("x"), 100), 0644))
}
s := NewWithOptions(&Options{Fs: fs})
err := s.EnumeratePath("/testdir", nil)
require.NoError(t, err)
ctx, cancel := context.WithCancel(context.Background())
cancel() // Cancel immediately
var buf bytes.Buffer
err = s.ToManifest(ctx, &buf, nil)
assert.ErrorIs(t, err, context.Canceled)
}
func TestToManifestEmptyScanner(t *testing.T) {
fs := afero.NewMemMapFs()
s := NewWithOptions(&Options{Fs: fs})
var buf bytes.Buffer
err := s.ToManifest(context.Background(), &buf, nil)
require.NoError(t, err)
// Should still produce a valid manifest
assert.True(t, buf.Len() > 0)
assert.Equal(t, "ZNAVSRFG", string(buf.Bytes()[:8]))
}
func TestFilesCopiesSlice(t *testing.T) {
fs := afero.NewMemMapFs()
require.NoError(t, afero.WriteFile(fs, "/test.txt", []byte("hello"), 0644))
s := NewWithOptions(&Options{Fs: fs})
require.NoError(t, s.EnumerateFile("/test.txt"))
files1 := s.Files()
files2 := s.Files()
// Should be different slices
assert.NotSame(t, &files1[0], &files2[0])
}
func TestEnumerateFS(t *testing.T) {
fs := afero.NewMemMapFs()
require.NoError(t, fs.MkdirAll("/testdir/sub", 0755))
require.NoError(t, afero.WriteFile(fs, "/testdir/file.txt", []byte("hello"), 0644))
require.NoError(t, afero.WriteFile(fs, "/testdir/sub/nested.txt", []byte("world"), 0644))
// Create a basepath filesystem
baseFs := afero.NewBasePathFs(fs, "/testdir")
s := NewWithOptions(&Options{Fs: fs})
err := s.EnumerateFS(baseFs, "/testdir", nil)
require.NoError(t, err)
assert.Equal(t, int64(2), s.FileCount())
}
func TestSendEnumerateStatusNonBlocking(t *testing.T) {
// Channel with no buffer - send should not block
ch := make(chan EnumerateStatus)
// This should not block
done := make(chan bool)
go func() {
sendEnumerateStatus(ch, EnumerateStatus{FilesFound: 1})
done <- true
}()
select {
case <-done:
// Success - did not block
case <-time.After(100 * time.Millisecond):
t.Fatal("sendEnumerateStatus blocked on full channel")
}
}
func TestSendScanStatusNonBlocking(t *testing.T) {
// Channel with no buffer - send should not block
ch := make(chan ScanStatus)
done := make(chan bool)
go func() {
sendScanStatus(ch, ScanStatus{ScannedFiles: 1})
done <- true
}()
select {
case <-done:
// Success - did not block
case <-time.After(100 * time.Millisecond):
t.Fatal("sendScanStatus blocked on full channel")
}
}
func TestSendStatusNilChannel(t *testing.T) {
// Should not panic with nil channel
sendEnumerateStatus(nil, EnumerateStatus{})
sendScanStatus(nil, ScanStatus{})
}
func TestFileEntryFields(t *testing.T) {
fs := afero.NewMemMapFs()
now := time.Now().Truncate(time.Second)
require.NoError(t, afero.WriteFile(fs, "/test.txt", []byte("content"), 0644))
require.NoError(t, fs.Chtimes("/test.txt", now, now))
s := NewWithOptions(&Options{Fs: fs})
require.NoError(t, s.EnumerateFile("/test.txt"))
files := s.Files()
require.Len(t, files, 1)
entry := files[0]
assert.Equal(t, "test.txt", entry.Path)
assert.Contains(t, entry.AbsPath, "test.txt")
assert.Equal(t, int64(7), entry.Size)
// Mtime should be set (within a second of now)
assert.WithinDuration(t, now, entry.Mtime, 2*time.Second)
}
func TestLargeFileEnumeration(t *testing.T) {
fs := afero.NewMemMapFs()
require.NoError(t, fs.MkdirAll("/testdir", 0755))
// Create 100 files
for i := 0; i < 100; i++ {
name := "/testdir/" + string(rune('a'+i%26)) + string(rune('0'+i/26%10)) + ".txt"
require.NoError(t, afero.WriteFile(fs, name, []byte("data"), 0644))
}
s := NewWithOptions(&Options{Fs: fs})
progress := make(chan EnumerateStatus, 200)
err := s.EnumeratePath("/testdir", progress)
require.NoError(t, err)
// Drain channel
for range progress {
}
assert.Equal(t, int64(100), s.FileCount())
assert.Equal(t, int64(400), s.TotalBytes()) // 100 * 4 bytes
}