kubo/test/cli/add_test.go
Marcin Rataj 6a008fc74c
refactor: apply go fix modernizers from Go 1.26 (#11190)
* chore: apply go fix modernizers from Go 1.26

automated refactoring: interface{} to any, slices.Contains,
and other idiomatic updates.

* feat(ci): add `go fix` check to Go analysis workflow

ensures Go 1.26 modernizers are applied, fails CI if `go fix ./...`
produces any changes (similar to existing `go fmt` enforcement)
2026-02-11 01:01:32 +01:00

662 lines
24 KiB
Go

package cli
import (
"io"
"os"
"path/filepath"
"strings"
"testing"
"time"
"github.com/ipfs/kubo/config"
"github.com/ipfs/kubo/test/cli/harness"
"github.com/ipfs/kubo/test/cli/testutils"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// waitForLogMessage polls a buffer for a log message, waiting up to timeout duration.
// Returns true if message found, false if timeout reached.
func waitForLogMessage(buffer *harness.Buffer, message string, timeout time.Duration) bool {
deadline := time.Now().Add(timeout)
for time.Now().Before(deadline) {
if strings.Contains(buffer.String(), message) {
return true
}
time.Sleep(100 * time.Millisecond)
}
return false
}
func TestAdd(t *testing.T) {
t.Parallel()
var (
shortString = "hello world"
shortStringCidV0 = "Qmf412jQZiuVUtdgnB36FXFX7xg5V6KEbSJ4dpQuhkLyfD" // cidv0 - dag-pb - sha2-256
shortStringCidV1 = "bafkreifzjut3te2nhyekklss27nh3k72ysco7y32koao5eei66wof36n5e" // cidv1 - raw - sha2-256
shortStringCidV1NoRawLeaves = "bafybeihykld7uyxzogax6vgyvag42y7464eywpf55gxi5qpoisibh3c5wa" // cidv1 - dag-pb - sha2-256
shortStringCidV1Sha512 = "bafkrgqbqt3gerhas23vuzrapkdeqf4vu2dwxp3srdj6hvg6nhsug2tgyn6mj3u23yx7utftq3i2ckw2fwdh5qmhid5qf3t35yvkc5e5ottlw6"
)
t.Run("produced cid version: implicit default (CIDv0)", func(t *testing.T) {
t.Parallel()
node := harness.NewT(t).NewNode().Init().StartDaemon()
defer node.StopDaemon()
cidStr := node.IPFSAddStr(shortString)
require.Equal(t, shortStringCidV0, cidStr)
})
t.Run("produced cid version: follows user-set configuration Import.CidVersion=0", func(t *testing.T) {
t.Parallel()
node := harness.NewT(t).NewNode().Init()
node.UpdateConfig(func(cfg *config.Config) {
cfg.Import.CidVersion = *config.NewOptionalInteger(0)
})
node.StartDaemon()
defer node.StopDaemon()
cidStr := node.IPFSAddStr(shortString)
require.Equal(t, shortStringCidV0, cidStr)
})
t.Run("produced cid multihash: follows user-set configuration in Import.HashFunction", func(t *testing.T) {
t.Parallel()
node := harness.NewT(t).NewNode().Init()
node.UpdateConfig(func(cfg *config.Config) {
cfg.Import.HashFunction = *config.NewOptionalString("sha2-512")
})
node.StartDaemon()
defer node.StopDaemon()
cidStr := node.IPFSAddStr(shortString)
require.Equal(t, shortStringCidV1Sha512, cidStr)
})
t.Run("produced cid version: follows user-set configuration Import.CidVersion=1", func(t *testing.T) {
t.Parallel()
node := harness.NewT(t).NewNode().Init()
node.UpdateConfig(func(cfg *config.Config) {
cfg.Import.CidVersion = *config.NewOptionalInteger(1)
})
node.StartDaemon()
defer node.StopDaemon()
cidStr := node.IPFSAddStr(shortString)
require.Equal(t, shortStringCidV1, cidStr)
})
t.Run("produced cid version: command flag overrides configuration in Import.CidVersion", func(t *testing.T) {
t.Parallel()
node := harness.NewT(t).NewNode().Init()
node.UpdateConfig(func(cfg *config.Config) {
cfg.Import.CidVersion = *config.NewOptionalInteger(1)
})
node.StartDaemon()
defer node.StopDaemon()
cidStr := node.IPFSAddStr(shortString, "--cid-version", "0")
require.Equal(t, shortStringCidV0, cidStr)
})
t.Run("produced unixfs raw leaves: follows user-set configuration Import.UnixFSRawLeaves", func(t *testing.T) {
t.Parallel()
node := harness.NewT(t).NewNode().Init()
node.UpdateConfig(func(cfg *config.Config) {
// CIDv1 defaults to raw-leaves=true
cfg.Import.CidVersion = *config.NewOptionalInteger(1)
// disable manually
cfg.Import.UnixFSRawLeaves = config.False
})
node.StartDaemon()
defer node.StopDaemon()
cidStr := node.IPFSAddStr(shortString)
require.Equal(t, shortStringCidV1NoRawLeaves, cidStr)
})
t.Run("ipfs add --pin-name=foo", func(t *testing.T) {
t.Parallel()
node := harness.NewT(t).NewNode().Init().StartDaemon()
defer node.StopDaemon()
pinName := "test-pin-name"
cidStr := node.IPFSAddStr(shortString, "--pin-name", pinName)
require.Equal(t, shortStringCidV0, cidStr)
pinList := node.IPFS("pin", "ls", "--names").Stdout.Trimmed()
require.Contains(t, pinList, shortStringCidV0)
require.Contains(t, pinList, pinName)
})
t.Run("ipfs add --pin=false --pin-name=foo returns an error", func(t *testing.T) {
t.Parallel()
node := harness.NewT(t).NewNode().Init().StartDaemon()
defer node.StopDaemon()
// Use RunIPFS to allow for errors without assertion
result := node.RunIPFS("add", "--pin=false", "--pin-name=foo")
require.Error(t, result.Err, "Expected an error due to incompatible --pin and --pin-name")
require.Contains(t, result.Stderr.String(), "pin-name option requires pin to be set")
})
t.Run("ipfs add --pin-name without value should fail", func(t *testing.T) {
t.Parallel()
node := harness.NewT(t).NewNode().Init().StartDaemon()
defer node.StopDaemon()
// When --pin-name is passed without any value, it should fail
result := node.RunIPFS("add", "--pin-name")
require.Error(t, result.Err, "Expected an error when --pin-name has no value")
require.Contains(t, result.Stderr.String(), "missing argument for option \"pin-name\"")
})
t.Run("produced unixfs max file links: command flag --max-file-links overrides configuration in Import.UnixFSFileMaxLinks", func(t *testing.T) {
t.Parallel()
//
// UnixFSChunker=size-262144 (256KiB)
// Import.UnixFSFileMaxLinks=174
node := harness.NewT(t).NewNode().Init("--profile=unixfs-v0-2015") // unixfs-v0-2015 for determinism across all params
node.UpdateConfig(func(cfg *config.Config) {
cfg.Import.UnixFSChunker = *config.NewOptionalString("size-262144") // 256 KiB chunks
cfg.Import.UnixFSFileMaxLinks = *config.NewOptionalInteger(174) // max 174 per level
})
node.StartDaemon()
defer node.StopDaemon()
// Add 174MiB file:
// 1024 * 256KiB should fit in single layer
seed := shortString
cidStr := node.IPFSAddDeterministic("262144KiB", seed, "--max-file-links", "1024")
root, err := node.InspectPBNode(cidStr)
assert.NoError(t, err)
// Expect 1024 links due to cli parameter raising link limit from 174 to 1024
require.Equal(t, 1024, len(root.Links))
// expect same CID every time
require.Equal(t, "QmbBftNHWmjSWKLC49dMVrfnY8pjrJYntiAXirFJ7oJrNk", cidStr)
})
// Profile-specific threshold tests are in cid_profiles_test.go (TestCIDProfiles).
// Tests here cover general ipfs add behavior not tied to specific profiles.
t.Run("ipfs add --hidden", func(t *testing.T) {
t.Parallel()
// Helper to create test directory with hidden file
setupTestDir := func(t *testing.T, node *harness.Node) string {
testDir, err := os.MkdirTemp(node.Dir, "hidden-test")
require.NoError(t, err)
require.NoError(t, os.WriteFile(filepath.Join(testDir, "visible.txt"), []byte("visible"), 0o644))
require.NoError(t, os.WriteFile(filepath.Join(testDir, ".hidden"), []byte("hidden"), 0o644))
return testDir
}
t.Run("default excludes hidden files", func(t *testing.T) {
t.Parallel()
node := harness.NewT(t).NewNode().Init().StartDaemon()
defer node.StopDaemon()
testDir := setupTestDir(t, node)
cidStr := node.IPFS("add", "-r", "-Q", testDir).Stdout.Trimmed()
lsOutput := node.IPFS("ls", cidStr).Stdout.Trimmed()
require.Contains(t, lsOutput, "visible.txt")
require.NotContains(t, lsOutput, ".hidden")
})
t.Run("--hidden includes hidden files", func(t *testing.T) {
t.Parallel()
node := harness.NewT(t).NewNode().Init().StartDaemon()
defer node.StopDaemon()
testDir := setupTestDir(t, node)
cidStr := node.IPFS("add", "-r", "-Q", "--hidden", testDir).Stdout.Trimmed()
lsOutput := node.IPFS("ls", cidStr).Stdout.Trimmed()
require.Contains(t, lsOutput, "visible.txt")
require.Contains(t, lsOutput, ".hidden")
})
t.Run("-H includes hidden files", func(t *testing.T) {
t.Parallel()
node := harness.NewT(t).NewNode().Init().StartDaemon()
defer node.StopDaemon()
testDir := setupTestDir(t, node)
cidStr := node.IPFS("add", "-r", "-Q", "-H", testDir).Stdout.Trimmed()
lsOutput := node.IPFS("ls", cidStr).Stdout.Trimmed()
require.Contains(t, lsOutput, "visible.txt")
require.Contains(t, lsOutput, ".hidden")
})
})
t.Run("ipfs add --empty-dirs", func(t *testing.T) {
t.Parallel()
// Helper to create test directory with empty subdirectory
setupTestDir := func(t *testing.T, node *harness.Node) string {
testDir, err := os.MkdirTemp(node.Dir, "empty-dirs-test")
require.NoError(t, err)
require.NoError(t, os.Mkdir(filepath.Join(testDir, "empty-subdir"), 0o755))
require.NoError(t, os.WriteFile(filepath.Join(testDir, "file.txt"), []byte("content"), 0o644))
return testDir
}
t.Run("default includes empty directories", func(t *testing.T) {
t.Parallel()
node := harness.NewT(t).NewNode().Init().StartDaemon()
defer node.StopDaemon()
testDir := setupTestDir(t, node)
cidStr := node.IPFS("add", "-r", "-Q", testDir).Stdout.Trimmed()
require.Contains(t, node.IPFS("ls", cidStr).Stdout.Trimmed(), "empty-subdir")
})
t.Run("--empty-dirs=true includes empty directories", func(t *testing.T) {
t.Parallel()
node := harness.NewT(t).NewNode().Init().StartDaemon()
defer node.StopDaemon()
testDir := setupTestDir(t, node)
cidStr := node.IPFS("add", "-r", "-Q", "--empty-dirs=true", testDir).Stdout.Trimmed()
require.Contains(t, node.IPFS("ls", cidStr).Stdout.Trimmed(), "empty-subdir")
})
t.Run("--empty-dirs=false excludes empty directories", func(t *testing.T) {
t.Parallel()
node := harness.NewT(t).NewNode().Init().StartDaemon()
defer node.StopDaemon()
testDir := setupTestDir(t, node)
cidStr := node.IPFS("add", "-r", "-Q", "--empty-dirs=false", testDir).Stdout.Trimmed()
lsOutput := node.IPFS("ls", cidStr).Stdout.Trimmed()
require.NotContains(t, lsOutput, "empty-subdir")
require.Contains(t, lsOutput, "file.txt")
})
})
t.Run("ipfs add symlink handling", func(t *testing.T) {
t.Parallel()
// Helper to create test directory structure:
// testDir/
// target.txt (file with "target content")
// link.txt -> target.txt (symlink at top level)
// subdir/
// subsubdir/
// nested-target.txt (file with "nested content")
// nested-link.txt -> nested-target.txt (symlink in sub-sub directory)
setupTestDir := func(t *testing.T, node *harness.Node) string {
testDir, err := os.MkdirTemp(node.Dir, "deref-symlinks-test")
require.NoError(t, err)
// Top-level file and symlink
targetFile := filepath.Join(testDir, "target.txt")
require.NoError(t, os.WriteFile(targetFile, []byte("target content"), 0o644))
require.NoError(t, os.Symlink("target.txt", filepath.Join(testDir, "link.txt")))
// Nested file and symlink in sub-sub directory
subsubdir := filepath.Join(testDir, "subdir", "subsubdir")
require.NoError(t, os.MkdirAll(subsubdir, 0o755))
nestedTarget := filepath.Join(subsubdir, "nested-target.txt")
require.NoError(t, os.WriteFile(nestedTarget, []byte("nested content"), 0o644))
require.NoError(t, os.Symlink("nested-target.txt", filepath.Join(subsubdir, "nested-link.txt")))
return testDir
}
t.Run("default preserves symlinks", func(t *testing.T) {
t.Parallel()
node := harness.NewT(t).NewNode().Init().StartDaemon()
defer node.StopDaemon()
testDir := setupTestDir(t, node)
// Add directory with symlink (default: preserve)
dirCID := node.IPFS("add", "-r", "-Q", testDir).Stdout.Trimmed()
// Get and verify symlinks are preserved
outDir, err := os.MkdirTemp(node.Dir, "symlink-get-out")
require.NoError(t, err)
node.IPFS("get", "-o", outDir, dirCID)
// Check top-level symlink is preserved
linkPath := filepath.Join(outDir, "link.txt")
fi, err := os.Lstat(linkPath)
require.NoError(t, err)
require.True(t, fi.Mode()&os.ModeSymlink != 0, "link.txt should be a symlink")
target, err := os.Readlink(linkPath)
require.NoError(t, err)
require.Equal(t, "target.txt", target)
// Check nested symlink is preserved
nestedLinkPath := filepath.Join(outDir, "subdir", "subsubdir", "nested-link.txt")
fi, err = os.Lstat(nestedLinkPath)
require.NoError(t, err)
require.True(t, fi.Mode()&os.ModeSymlink != 0, "nested-link.txt should be a symlink")
})
// --dereference-args is deprecated but still works for backwards compatibility.
// It only resolves symlinks passed as CLI arguments, NOT symlinks found
// during directory traversal. Use --dereference-symlinks instead.
t.Run("--dereference-args resolves CLI args only", func(t *testing.T) {
t.Parallel()
node := harness.NewT(t).NewNode().Init().StartDaemon()
defer node.StopDaemon()
testDir := setupTestDir(t, node)
symlinkPath := filepath.Join(testDir, "link.txt")
targetPath := filepath.Join(testDir, "target.txt")
symlinkCID := node.IPFS("add", "-Q", "--dereference-args", symlinkPath).Stdout.Trimmed()
targetCID := node.IPFS("add", "-Q", targetPath).Stdout.Trimmed()
// CIDs should match because --dereference-args resolves the symlink
require.Equal(t, targetCID, symlinkCID,
"--dereference-args should resolve CLI arg symlink to target content")
// Now add the directory recursively with --dereference-args
// Nested symlinks should NOT be resolved (only CLI args are resolved)
dirCID := node.IPFS("add", "-r", "-Q", "--dereference-args", testDir).Stdout.Trimmed()
outDir, err := os.MkdirTemp(node.Dir, "deref-args-out")
require.NoError(t, err)
node.IPFS("get", "-o", outDir, dirCID)
// Nested symlink should still be a symlink (not dereferenced)
nestedLinkPath := filepath.Join(outDir, "subdir", "subsubdir", "nested-link.txt")
fi, err := os.Lstat(nestedLinkPath)
require.NoError(t, err)
require.True(t, fi.Mode()&os.ModeSymlink != 0,
"--dereference-args should NOT resolve nested symlinks, only CLI args")
})
// --dereference-symlinks resolves ALL symlinks: both CLI arguments AND
// symlinks found during directory traversal. This is a superset of
// the deprecated --dereference-args behavior.
t.Run("--dereference-symlinks resolves all symlinks", func(t *testing.T) {
t.Parallel()
node := harness.NewT(t).NewNode().Init().StartDaemon()
defer node.StopDaemon()
testDir := setupTestDir(t, node)
symlinkPath := filepath.Join(testDir, "link.txt")
targetPath := filepath.Join(testDir, "target.txt")
symlinkCID := node.IPFS("add", "-Q", "--dereference-symlinks", symlinkPath).Stdout.Trimmed()
targetCID := node.IPFS("add", "-Q", targetPath).Stdout.Trimmed()
require.Equal(t, targetCID, symlinkCID,
"--dereference-symlinks should resolve CLI arg symlink (like --dereference-args)")
// Test 2: Nested symlinks in sub-sub directory are ALSO resolved
dirCID := node.IPFS("add", "-r", "-Q", "--dereference-symlinks", testDir).Stdout.Trimmed()
outDir, err := os.MkdirTemp(node.Dir, "deref-symlinks-out")
require.NoError(t, err)
node.IPFS("get", "-o", outDir, dirCID)
// Top-level symlink should be dereferenced to regular file
linkPath := filepath.Join(outDir, "link.txt")
fi, err := os.Lstat(linkPath)
require.NoError(t, err)
require.False(t, fi.Mode()&os.ModeSymlink != 0,
"link.txt should be dereferenced to regular file")
content, err := os.ReadFile(linkPath)
require.NoError(t, err)
require.Equal(t, "target content", string(content))
// Nested symlink in sub-sub directory should ALSO be dereferenced
nestedLinkPath := filepath.Join(outDir, "subdir", "subsubdir", "nested-link.txt")
fi, err = os.Lstat(nestedLinkPath)
require.NoError(t, err)
require.False(t, fi.Mode()&os.ModeSymlink != 0,
"nested-link.txt should be dereferenced (--dereference-symlinks resolves ALL symlinks)")
nestedContent, err := os.ReadFile(nestedLinkPath)
require.NoError(t, err)
require.Equal(t, "nested content", string(nestedContent))
})
})
}
func TestAddFastProvide(t *testing.T) {
t.Parallel()
const (
shortString = "hello world"
shortStringCidV0 = "Qmf412jQZiuVUtdgnB36FXFX7xg5V6KEbSJ4dpQuhkLyfD" // cidv0 - dag-pb - sha2-256
)
t.Run("fast-provide-root disabled via config: verify skipped in logs", func(t *testing.T) {
t.Parallel()
node := harness.NewT(t).NewNode().Init()
node.UpdateConfig(func(cfg *config.Config) {
cfg.Import.FastProvideRoot = config.False
})
// Start daemon with debug logging
node.StartDaemonWithReq(harness.RunRequest{
CmdOpts: []harness.CmdOpt{
harness.RunWithEnv(map[string]string{
"GOLOG_LOG_LEVEL": "error,core/commands=debug,core/commands/cmdenv=debug",
}),
},
}, "")
defer node.StopDaemon()
cidStr := node.IPFSAddStr(shortString)
require.Equal(t, shortStringCidV0, cidStr)
// Verify fast-provide-root was disabled
daemonLog := node.Daemon.Stderr.String()
require.Contains(t, daemonLog, "fast-provide-root: skipped")
})
t.Run("fast-provide-root enabled with wait=false: verify async provide", func(t *testing.T) {
t.Parallel()
node := harness.NewT(t).NewNode().Init()
// Use default config (FastProvideRoot=true, FastProvideWait=false)
node.StartDaemonWithReq(harness.RunRequest{
CmdOpts: []harness.CmdOpt{
harness.RunWithEnv(map[string]string{
"GOLOG_LOG_LEVEL": "error,core/commands=debug,core/commands/cmdenv=debug",
}),
},
}, "")
defer node.StopDaemon()
cidStr := node.IPFSAddStr(shortString)
require.Equal(t, shortStringCidV0, cidStr)
daemonLog := node.Daemon.Stderr
// Should see async mode started
require.Contains(t, daemonLog.String(), "fast-provide-root: enabled")
require.Contains(t, daemonLog.String(), "fast-provide-root: providing asynchronously")
// Wait for async completion or failure (up to 11 seconds - slightly more than fastProvideTimeout)
// In test environment with no DHT peers, this will fail with "failed to find any peer in table"
completedOrFailed := waitForLogMessage(daemonLog, "async provide completed", 11*time.Second) ||
waitForLogMessage(daemonLog, "async provide failed", 11*time.Second)
require.True(t, completedOrFailed, "async provide should complete or fail within timeout")
})
t.Run("fast-provide-root enabled with wait=true: verify sync provide", func(t *testing.T) {
t.Parallel()
node := harness.NewT(t).NewNode().Init()
node.UpdateConfig(func(cfg *config.Config) {
cfg.Import.FastProvideWait = config.True
})
node.StartDaemonWithReq(harness.RunRequest{
CmdOpts: []harness.CmdOpt{
harness.RunWithEnv(map[string]string{
"GOLOG_LOG_LEVEL": "error,core/commands=debug,core/commands/cmdenv=debug",
}),
},
}, "")
defer node.StopDaemon()
// Use Runner.Run with stdin to allow for expected errors
res := node.Runner.Run(harness.RunRequest{
Path: node.IPFSBin,
Args: []string{"add", "-q"},
CmdOpts: []harness.CmdOpt{
harness.RunWithStdin(strings.NewReader(shortString)),
},
})
// In sync mode (wait=true), provide errors propagate and fail the command.
// Test environment uses 'test' profile with no bootstrappers, and CI has
// insufficient peers for proper DHT puts, so we expect this to fail with
// "failed to find any peer in table" error from the DHT.
require.Equal(t, 1, res.ExitCode())
require.Contains(t, res.Stderr.String(), "Error: fast-provide: failed to find any peer in table")
daemonLog := node.Daemon.Stderr.String()
// Should see sync mode started
require.Contains(t, daemonLog, "fast-provide-root: enabled")
require.Contains(t, daemonLog, "fast-provide-root: providing synchronously")
require.Contains(t, daemonLog, "sync provide failed") // Verify the failure was logged
})
t.Run("fast-provide-wait ignored when root disabled", func(t *testing.T) {
t.Parallel()
node := harness.NewT(t).NewNode().Init()
node.UpdateConfig(func(cfg *config.Config) {
cfg.Import.FastProvideRoot = config.False
cfg.Import.FastProvideWait = config.True
})
node.StartDaemonWithReq(harness.RunRequest{
CmdOpts: []harness.CmdOpt{
harness.RunWithEnv(map[string]string{
"GOLOG_LOG_LEVEL": "error,core/commands=debug,core/commands/cmdenv=debug",
}),
},
}, "")
defer node.StopDaemon()
cidStr := node.IPFSAddStr(shortString)
require.Equal(t, shortStringCidV0, cidStr)
daemonLog := node.Daemon.Stderr.String()
require.Contains(t, daemonLog, "fast-provide-root: skipped")
require.Contains(t, daemonLog, "wait-flag-ignored")
})
t.Run("CLI flag overrides config: flag=true overrides config=false", func(t *testing.T) {
t.Parallel()
node := harness.NewT(t).NewNode().Init()
node.UpdateConfig(func(cfg *config.Config) {
cfg.Import.FastProvideRoot = config.False
})
node.StartDaemonWithReq(harness.RunRequest{
CmdOpts: []harness.CmdOpt{
harness.RunWithEnv(map[string]string{
"GOLOG_LOG_LEVEL": "error,core/commands=debug,core/commands/cmdenv=debug",
}),
},
}, "")
defer node.StopDaemon()
cidStr := node.IPFSAddStr(shortString, "--fast-provide-root=true")
require.Equal(t, shortStringCidV0, cidStr)
daemonLog := node.Daemon.Stderr
// Flag should enable it despite config saying false
require.Contains(t, daemonLog.String(), "fast-provide-root: enabled")
require.Contains(t, daemonLog.String(), "fast-provide-root: providing asynchronously")
})
t.Run("CLI flag overrides config: flag=false overrides config=true", func(t *testing.T) {
t.Parallel()
node := harness.NewT(t).NewNode().Init()
node.UpdateConfig(func(cfg *config.Config) {
cfg.Import.FastProvideRoot = config.True
})
node.StartDaemonWithReq(harness.RunRequest{
CmdOpts: []harness.CmdOpt{
harness.RunWithEnv(map[string]string{
"GOLOG_LOG_LEVEL": "error,core/commands=debug,core/commands/cmdenv=debug",
}),
},
}, "")
defer node.StopDaemon()
cidStr := node.IPFSAddStr(shortString, "--fast-provide-root=false")
require.Equal(t, shortStringCidV0, cidStr)
daemonLog := node.Daemon.Stderr.String()
// Flag should disable it despite config saying true
require.Contains(t, daemonLog, "fast-provide-root: skipped")
})
}
// createDirectoryForHAMTLinksEstimation creates a directory with the specified number
// of files for testing links-based size estimation (size = sum of nameLen + cidLen).
// Used by legacy profiles (unixfs-v0-2015).
//
// The lastNameLen parameter allows the last file to have a different name length,
// enabling exact +1 byte threshold tests.
func createDirectoryForHAMTLinksEstimation(dirPath string, numFiles, nameLen, lastNameLen int, seed string) error {
return createDeterministicFiles(dirPath, numFiles, nameLen, lastNameLen, seed)
}
// createDirectoryForHAMTBlockEstimation creates a directory with the specified number
// of files for testing block-based size estimation (LinkSerializedSize with protobuf overhead).
// Used by modern profiles (unixfs-v1-2025).
//
// The lastNameLen parameter allows the last file to have a different name length,
// enabling exact +1 byte threshold tests.
func createDirectoryForHAMTBlockEstimation(dirPath string, numFiles, nameLen, lastNameLen int, seed string) error {
return createDeterministicFiles(dirPath, numFiles, nameLen, lastNameLen, seed)
}
// createDeterministicFiles creates numFiles files with deterministic names.
// Files 0 to numFiles-2 have nameLen characters, and the last file has lastNameLen characters.
// Each file contains "x" (1 byte) for non-zero tsize in directory links.
func createDeterministicFiles(dirPath string, numFiles, nameLen, lastNameLen int, seed string) error {
alphabetLen := len(testutils.AlphabetEasy)
// Deterministic pseudo-random bytes for static filenames
drand, err := testutils.DeterministicRandomReader("1MiB", seed)
if err != nil {
return err
}
for i := range numFiles {
// Use lastNameLen for the final file
currentNameLen := nameLen
if i == numFiles-1 {
currentNameLen = lastNameLen
}
buf := make([]byte, currentNameLen)
_, err := io.ReadFull(drand, buf)
if err != nil {
return err
}
// Convert deterministic pseudo-random bytes to ASCII
var sb strings.Builder
for _, b := range buf {
char := testutils.AlphabetEasy[int(b)%alphabetLen]
sb.WriteRune(char)
}
filename := sb.String()[:currentNameLen]
filePath := filepath.Join(dirPath, filename)
// Create file with 1-byte content for non-zero tsize
if err := os.WriteFile(filePath, []byte("x"), 0o644); err != nil {
return err
}
}
return nil
}