Module: FakeFS::FileSystem
Overview
FileSystem module
Instance Method Summary collapse
- #add(path, object = FakeDir.new) ⇒ Object
- #chdir(dir, &blk) ⇒ Object
- #clear ⇒ Object
-
#clone(path, target = nil) ⇒ Object
copies directories and files from the real filesystem into our fake one.
- #current_dir ⇒ Object
- #delete(path) ⇒ Object
- #dir_levels ⇒ Object
- #files ⇒ Object
-
#find(path, dir: nil) ⇒ Object
Finds files/directories using the exact path, without expanding globs.
-
#find_with_glob(path, find_flags = 0, gave_char_class = false, dir: nil) ⇒ Object
Finds files/directories expanding globs.
- #fs ⇒ Object
- #normalize_path(path, dir: nil) ⇒ Object
- #path_parts(path) ⇒ Object
Instance Method Details
#add(path, object = FakeDir.new) ⇒ Object
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# File 'lib/fakefs/file_system.rb', line 48 def add(path, object = FakeDir.new) parts = path_parts(normalize_path(path)) d = parts[0...-1].reduce(fs) do |dir, part| assert_dir dir[part] if dir[part] dir[part] ||= FakeDir.new(part, dir) end assert_dir d object.name = parts.last object.parent = d d[parts.last] ||= object end |
#chdir(dir, &blk) ⇒ Object
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# File 'lib/fakefs/file_system.rb', line 95 def chdir(dir, &blk) new_dir = find(dir) dir_levels.push dir.to_s if blk raise Errno::ENOENT, dir.to_s unless new_dir raise Errno::ENOTDIR, dir.to_s unless File.directory? new_dir dir_levels.push dir.to_s unless blk yield(dir) if blk ensure dir_levels.pop if blk end |
#clear ⇒ Object
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# File 'lib/fakefs/file_system.rb', line 14 def clear @dir_levels = nil @fs = nil end |
#clone(path, target = nil) ⇒ Object
copies directories and files from the real filesystem into our fake one
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# File 'lib/fakefs/file_system.rb', line 64 def clone(path, target = nil) path = RealFile.(path) pattern = File.join(path, '**', '*') files = if RealFile.file?(path) [path] else [path] + RealDir.glob(pattern, RealFile::FNM_DOTMATCH) end files.each do |f| target_path = target ? f.gsub(path, target) : f if RealFile.symlink?(f) FileUtils.ln_s(RealFile.readlink(f), f) elsif RealFile.file?(f) FileUtils.mkdir_p(File.dirname(f)) File.open(target_path, File::WRITE_ONLY) do |g| g.print RealFile.read(f) end elsif RealFile.directory?(f) FileUtils.mkdir_p(target_path) end end end |
#current_dir ⇒ Object
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# File 'lib/fakefs/file_system.rb', line 125 def current_dir find('.') end |
#delete(path) ⇒ Object
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# File 'lib/fakefs/file_system.rb', line 89 def delete(path) return unless (node = FileSystem.find(path)) node.delete true end |
#dir_levels ⇒ Object
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# File 'lib/fakefs/file_system.rb', line 6 def dir_levels @dir_levels ||= ['/'] end |
#files ⇒ Object
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# File 'lib/fakefs/file_system.rb', line 19 def files fs.entries end |
#find(path, dir: nil) ⇒ Object
Finds files/directories using the exact path, without expanding globs.
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# File 'lib/fakefs/file_system.rb', line 24 def find(path, dir: nil) parts = path_parts(normalize_path(path, dir: dir)) return fs if parts.empty? # '/' find_recurser(fs, parts) end |
#find_with_glob(path, find_flags = 0, gave_char_class = false, dir: nil) ⇒ Object
Finds files/directories expanding globs.
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# File 'lib/fakefs/file_system.rb', line 32 def find_with_glob(path, find_flags = 0, gave_char_class = false, dir: nil) parts = path_parts(normalize_path(path, dir: dir)) return fs if parts.empty? # '/' entries = Globber.(path).flat_map do |pattern| parts = path_parts(normalize_path(pattern, dir: dir)) find_with_glob_recurser(fs, parts, find_flags, gave_char_class).flatten end case entries.length when 0 then nil when 1 then entries.first else entries end end |
#fs ⇒ Object
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# File 'lib/fakefs/file_system.rb', line 10 def fs @fs ||= FakeDir.new('/') end |
#normalize_path(path, dir: nil) ⇒ Object
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# File 'lib/fakefs/file_system.rb', line 112 def normalize_path(path, dir: nil) if Pathname.new(path).absolute? RealFile.(path) else dir ||= dir_levels dir = Array(dir) parts = dir + [path] RealFile.(parts.reduce do |base, part| Pathname(base) + part end.to_s) end end |
#path_parts(path) ⇒ Object
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# File 'lib/fakefs/file_system.rb', line 108 def path_parts(path) Globber.path_components(path) end |