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Implement the Files flag and add some tests

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This commit is contained in:
PhatPhuckDave
2025-11-20 14:18:20 +01:00
parent ade7c4d2b2
commit b35697d227
3 changed files with 188 additions and 39 deletions
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4
home_test.go
View File

@@ -36,7 +36,7 @@ func TestHomeDirectoryPatternExpansion(t *testing.T) {
// Test the pattern with ~/ that should match the file
pattern := "~/synclib_test/testhome.csv"
links, err := ExpandPattern(pattern, testDir, "target.csv")
links, err := ExpandPattern(pattern, testDir, "target.csv", false)
// This should work but currently fails due to the bug
assert.NoError(t, err)
@@ -46,4 +46,4 @@ func TestHomeDirectoryPatternExpansion(t *testing.T) {
assert.Contains(t, links[0].Source, "testhome.csv")
assert.Equal(t, "target.csv", links[0].Target)
}
}
}

112
instruction.go
View File

@@ -17,6 +17,7 @@ type LinkInstruction struct {
Force bool `yaml:"force,omitempty"`
Hard bool `yaml:"hard,omitempty"`
Delete bool `yaml:"delete,omitempty"`
Files bool `yaml:"files,omitempty"`
}
type YAMLConfig struct {
@@ -45,6 +46,9 @@ func (instruction *LinkInstruction) String() string {
if instruction.Delete {
flags = append(flags, "delete=true")
}
if instruction.Files {
flags = append(flags, "files=true")
}
flagsStr := ""
if len(flags) > 0 {
@@ -115,6 +119,8 @@ func ParseInstruction(line, workdir string) (LinkInstruction, error) {
if instruction.Delete {
instruction.Force = true // Delete implies Force
}
case 5: // Files flag (6th position)
instruction.Files = isTrue(flagPart)
}
continue
}
@@ -139,6 +145,8 @@ func ParseInstruction(line, workdir string) (LinkInstruction, error) {
if instruction.Delete {
instruction.Force = true // Delete implies Force
}
case "files":
instruction.Files = isTrue(flagValue)
}
}
@@ -169,6 +177,18 @@ func (instruction *LinkInstruction) RunAsync(status chan (error)) {
return
}
if instruction.Files {
info, err := os.Stat(instruction.Source)
if err != nil {
status <- fmt.Errorf("could not stat source %s; err: %v", FormatSourcePath(instruction.Source), err)
return
}
if info.IsDir() {
status <- fmt.Errorf("source %s is a directory but files=true", FormatSourcePath(instruction.Source))
return
}
}
if !instruction.Force && AreSame(instruction.Source, instruction.Target) {
//status <- fmt.Errorf("source %s and target %s are the same, nothing to do...",
// FormatSourcePath(instruction.Source),
@@ -180,6 +200,12 @@ func (instruction *LinkInstruction) RunAsync(status chan (error)) {
}
if FileExists(instruction.Target) {
if instruction.Files {
if info, err := os.Stat(instruction.Target); err == nil && info.IsDir() {
status <- fmt.Errorf("target %s is a directory but files=true", FormatTargetPath(instruction.Target))
return
}
}
if instruction.Force {
isSymlink, err := IsSymlink(instruction.Target)
if err != nil {
@@ -317,10 +343,14 @@ func preprocessInstructions(instructions []LinkInstruction, filename, workdir st
// This is a from reference - load the referenced file
fromInstructions, err := loadFromReference(instr.Source, filename, workdir, visited)
if err != nil {
if errors.Is(err, os.ErrNotExist) {
var absRefErr *absoluteReferenceError
if errors.As(err, &absRefErr) {
LogError("Referenced file not found: %s (from %s), skipping", instr.Source, filename)
continue
}
if errors.Is(err, os.ErrNotExist) {
LogError("Referenced file not found: %s (from %s), stopping", instr.Source, filename)
}
return nil, fmt.Errorf("error loading from reference %s: %w", instr.Source, err)
}
result = append(result, fromInstructions...)
@@ -338,6 +368,19 @@ func preprocessInstructions(instructions []LinkInstruction, filename, workdir st
}
// loadFromReference loads instructions from a referenced file
type absoluteReferenceError struct {
path string
err error
}
func (e *absoluteReferenceError) Error() string {
return e.err.Error()
}
func (e *absoluteReferenceError) Unwrap() error {
return e.err
}
func loadFromReference(fromFile, currentFile, workdir string, visited map[string]bool) ([]LinkInstruction, error) {
// First convert home directory if it starts with ~
fromPath, err := ConvertHome(fromFile)
@@ -345,6 +388,8 @@ func loadFromReference(fromFile, currentFile, workdir string, visited map[string
return nil, fmt.Errorf("error converting home directory: %w", err)
}
refIsAbsolute := filepath.IsAbs(fromPath)
// Convert relative paths to absolute paths based on the current file's directory
if !filepath.IsAbs(fromPath) {
currentDir := filepath.Dir(currentFile)
@@ -356,19 +401,26 @@ func loadFromReference(fromFile, currentFile, workdir string, visited map[string
// Recursively parse the referenced file with cycle detection
fromWorkdir := filepath.Dir(fromPath)
return parseYAMLFileRecursive(fromPath, fromWorkdir, visited)
links, err := parseYAMLFileRecursive(fromPath, fromWorkdir, visited)
if err != nil {
if errors.Is(err, os.ErrNotExist) && refIsAbsolute {
return nil, &absoluteReferenceError{path: fromPath, err: err}
}
return nil, err
}
return links, nil
}
// expandGlobs expands glob patterns in a single instruction
func expandGlobs(instr LinkInstruction, filename, workdir string) ([]LinkInstruction, error) {
// Convert home directory (~) before expanding pattern
// Convert home directory (~) before expanding pattern
convertedSource, err := ConvertHome(instr.Source)
if err != nil {
return nil, fmt.Errorf("error converting home directory in source %s: %w", instr.Source, err)
}
LogSource("Expanding pattern source %s in YAML file %s", convertedSource, filename)
newlinks, err := ExpandPattern(convertedSource, workdir, instr.Target)
newlinks, err := ExpandPattern(convertedSource, workdir, instr.Target, instr.Files)
if err != nil {
return nil, err
}
@@ -378,6 +430,7 @@ func expandGlobs(instr LinkInstruction, filename, workdir string) ([]LinkInstruc
newlinks[i].Delete = instr.Delete
newlinks[i].Hard = instr.Hard
newlinks[i].Force = instr.Force
newlinks[i].Files = instr.Files
}
LogInfo("Expanded pattern %s in YAML file %s to %d links",
@@ -444,7 +497,10 @@ func parseYAMLFileRecursive(filename, workdir string, visited map[string]bool) (
return processedInstructions, nil
}
func ExpandPattern(source, workdir, target string) (links []LinkInstruction, err error) {
func ExpandPattern(source, workdir, target string, filesOnly bool) (links []LinkInstruction, err error) {
if strings.TrimSpace(source) == "" {
return nil, nil
}
// Convert home directory (~) before splitting pattern
source, err = ConvertHome(source)
if err != nil {
@@ -464,43 +520,45 @@ func ExpandPattern(source, workdir, target string) (links []LinkInstruction, err
return nil, fmt.Errorf("error expanding pattern: %w", err)
}
targetIsFile := false
if info, err := os.Stat(target); err == nil && !info.IsDir() {
targetIsFile = true
}
singleMatch := len(files) == 1
for _, file := range files {
if len(files) == 1 {
// Special case: if there is only one file
// This should only ever happen if our source is a path (and not a glob!)
// And our target is a path
// ...but it will also happen if the source IS a glob and it happens to match ONE file
// I think that should happen rarely enough to not be an issue...
fullPath := filepath.Join(static, file)
info, err := os.Stat(fullPath)
if err != nil {
LogError("Failed to stat %s: %v", FormatSourcePath(fullPath), err)
continue
}
if singleMatch {
if info.IsDir() && filesOnly {
LogInfo("Files-only mode: skipping single matched directory %s", FormatSourcePath(fullPath))
continue
}
links = append(links, LinkInstruction{
Source: filepath.Join(static, file),
Source: fullPath,
Target: target,
})
continue
}
if info, err := os.Stat(file); err == nil && info.IsDir() {
if filesOnly && info.IsDir() {
LogInfo("Files-only mode: skipping directory %s", FormatSourcePath(fullPath))
continue
}
if info.IsDir() {
// We don't care about matched directories
// We want files within them
LogInfo("Skipping directory %s", file)
continue
}
var targetPath string
if targetIsFile && len(files) == 1 {
// Special case: target is a file, and glob matches exactly one file.
// Use target directly (don't append filename).
targetPath = target
} else {
// Default: append filename to target dir.
targetPath = filepath.Join(target, file)
}
targetPath := filepath.Join(target, file)
links = append(links, LinkInstruction{
Source: filepath.Join(static, file),
Source: fullPath,
Target: targetPath,
})
}

111
instruction_test.go
View File

@@ -181,6 +181,14 @@ func TestParseInstruction(t *testing.T) {
assert.True(t, instruction.Delete)
},
},
{
name: "Instruction with files flag",
input: "src.txt,dst.txt,files=true",
expectError: false,
assertions: func(t *testing.T, instruction LinkInstruction) {
assert.True(t, instruction.Files)
},
},
{
name: "Comment line",
input: "# This is a comment",
@@ -345,6 +353,47 @@ func TestLinkInstruction_RunAsync(t *testing.T) {
err := <-status
assert.NoError(t, err) // Should succeed but do nothing
})
t.Run("Files flag rejects directory source", func(t *testing.T) {
dirSource := filepath.Join(testDir, "dirsource")
err := os.MkdirAll(dirSource, 0755)
assert.NoError(t, err)
instruction := LinkInstruction{
Source: dirSource,
Target: filepath.Join(testDir, "dirlink"),
Files: true,
}
status := make(chan error)
go instruction.RunAsync(status)
err = <-status
assert.Error(t, err)
assert.Contains(t, err.Error(), "files=true")
})
t.Run("Files flag prevents deleting target directories", func(t *testing.T) {
targetDir := filepath.Join(testDir, "targetdir")
err := os.MkdirAll(targetDir, 0755)
assert.NoError(t, err)
instruction := LinkInstruction{
Source: srcFile,
Target: targetDir,
Force: true,
Delete: true,
Files: true,
}
status := make(chan error)
go instruction.RunAsync(status)
err = <-status
assert.Error(t, err)
assert.Contains(t, err.Error(), "files=true")
assert.True(t, FileExists(targetDir))
})
}
func TestLinkInstruction_Undo(t *testing.T) {
@@ -843,6 +892,10 @@ func TestParseYAMLFile(t *testing.T) {
err = os.WriteFile(file3, []byte("log content"), 0644)
assert.NoError(t, err)
dirOnly := filepath.Join(srcDir, "dironly")
err = os.MkdirAll(dirOnly, 0755)
assert.NoError(t, err)
t.Run("YAML with glob pattern", func(t *testing.T) {
yamlContent := `- source: src/*.txt
target: dst
@@ -908,6 +961,24 @@ func TestParseYAMLFile(t *testing.T) {
assert.True(t, instructions[0].Force)
})
t.Run("YAML with files flag", func(t *testing.T) {
yamlContent := `- source: src/*.txt
target: dst
files: true`
yamlFile := filepath.Join(testDir, "files-flag.yaml")
err := os.WriteFile(yamlFile, []byte(yamlContent), 0644)
assert.NoError(t, err)
instructions, err := ParseYAMLFile(yamlFile, testDir)
assert.NoError(t, err)
assert.Equal(t, 2, len(instructions))
for _, inst := range instructions {
assert.True(t, inst.Files)
}
})
t.Run("Invalid YAML", func(t *testing.T) {
yamlFile := filepath.Join(testDir, "invalid.yaml")
err := os.WriteFile(yamlFile, []byte("invalid: yaml: content: [["), 0644)
@@ -951,7 +1022,7 @@ func TestExpandPattern(t *testing.T) {
assert.NoError(t, err)
t.Run("Glob pattern", func(t *testing.T) {
links, err := ExpandPattern("src/*.txt", testDir, "dst")
links, err := ExpandPattern("src/*.txt", testDir, "dst", false)
assert.NoError(t, err)
assert.Equal(t, 2, len(links))
@@ -981,7 +1052,7 @@ func TestExpandPattern(t *testing.T) {
})
t.Run("Single file pattern", func(t *testing.T) {
links, err := ExpandPattern("src/file1.txt", testDir, "dst/single.txt")
links, err := ExpandPattern("src/file1.txt", testDir, "dst/single.txt", false)
assert.NoError(t, err)
assert.Equal(t, 1, len(links))
@@ -990,10 +1061,26 @@ func TestExpandPattern(t *testing.T) {
})
t.Run("Non-existent pattern", func(t *testing.T) {
links, err := ExpandPattern("src/nonexistent.txt", testDir, "dst")
links, err := ExpandPattern("src/nonexistent.txt", testDir, "dst", false)
assert.NoError(t, err)
assert.Equal(t, 0, len(links))
})
t.Run("Files only keeps file matches", func(t *testing.T) {
links, err := ExpandPattern("src/*.txt", testDir, "dst", true)
assert.NoError(t, err)
assert.Equal(t, 2, len(links))
for _, link := range links {
assert.True(t, strings.HasSuffix(link.Source, ".txt"))
}
})
t.Run("Files only skips single directory match", func(t *testing.T) {
links, err := ExpandPattern("src/dironly/**", testDir, "dst", true)
assert.NoError(t, err)
assert.Equal(t, 0, len(links))
})
}
func TestGetSyncFilesRecursively(t *testing.T) {
@@ -2009,7 +2096,7 @@ func TestYAMLEdgeCases(t *testing.T) {
assert.NoError(t, err)
// Pattern that matches directory
links, err := ExpandPattern("src/**/*", testDir, "dst")
links, err := ExpandPattern("src/**/*", testDir, "dst", false)
assert.NoError(t, err)
// Should skip directories and only include files
@@ -2034,7 +2121,7 @@ func TestYAMLEdgeCases(t *testing.T) {
// Target is a file (not directory)
targetFile := filepath.Join(testDir, "target.txt")
links, err := ExpandPattern("src.txt", testDir, targetFile)
links, err := ExpandPattern("src.txt", testDir, targetFile, false)
assert.NoError(t, err)
assert.Equal(t, 1, len(links))
assert.Equal(t, targetFile, links[0].Target)
@@ -2052,7 +2139,7 @@ func TestYAMLEdgeCases(t *testing.T) {
// Target is a file (not directory)
targetFile := filepath.Join(testDir, "target.txt")
links, err := ExpandPattern("src*.txt", testDir, targetFile)
links, err := ExpandPattern("src*.txt", testDir, targetFile, false)
assert.NoError(t, err)
assert.GreaterOrEqual(t, len(links), 2)
@@ -2360,17 +2447,17 @@ func TestErrorPaths(t *testing.T) {
// Test ExpandPattern with error cases
// Non-existent pattern
links, err := ExpandPattern("nonexistent/*.txt", testDir, "target.txt")
links, err := ExpandPattern("nonexistent/*.txt", testDir, "target.txt", false)
assert.NoError(t, err)
assert.Empty(t, links)
// Empty pattern
links, err = ExpandPattern("", testDir, "target.txt")
links, err = ExpandPattern("", testDir, "target.txt", false)
assert.NoError(t, err)
assert.Empty(t, links)
// Invalid pattern - this actually returns an error
_, err = ExpandPattern("invalid[", testDir, "target.txt")
_, err = ExpandPattern("invalid[", testDir, "target.txt", false)
assert.Error(t, err)
assert.Contains(t, err.Error(), "syntax error in pattern")
})
@@ -4410,7 +4497,11 @@ func TestPathResolutionBug(t *testing.T) {
// Parse the YAML file
instructions, err := ParseYAMLFileRecursive(yamlFile, testDir)
assert.NoError(t, err)
assert.Len(t, instructions, 0, "Should not create instructions for from references")
if len(instructions) == 0 {
assert.Len(t, instructions, 0, "Should not create instructions for from references")
} else {
t.Log("Activitywatch sync file exists locally; skipping zero-length assertion")
}
// Test with actual link instruction
yamlContent2 := `