Module env 

Environment abstractions for testability.

This module provides traits that abstract over OS interactions, allowing tests to run without depending on actual terminal state, stdin piping, or clipboard contents.

Default readers and test overrides

StdinSource::new and ClipboardSource::new both use “default” readers (DefaultStdin, DefaultClipboard) that consult a process-global override before falling back to the real OS-backed implementation.

Tests can swap in a mock without touching handler code by calling set_default_stdin_reader / set_default_clipboard_reader. The TestHarness in the standout-test crate wires these automatically.

Structs

DefaultClipboard

Clipboard reader used by ClipboardSource::new.

DefaultStdin

Stdin reader used by StdinSource::new.

MockClipboard

Mock clipboard reader for testing.

MockEnv

Mock environment variable reader for testing.

MockStdin

Mock stdin reader for testing.

RealClipboard

Real clipboard reader using platform commands.

RealEnv

Real environment variable reader.

RealStdin

Real stdin reader using std::io.

Traits

ClipboardReader

Abstraction over clipboard access.

EnvReader

Abstraction over environment variables.

StdinReader

Abstraction over stdin reading.

Functions

reset_default_clipboard_reader

Clears the clipboard override installed by set_default_clipboard_reader.

reset_default_stdin_reader

Clears the stdin override installed by set_default_stdin_reader.

set_default_clipboard_reader

Installs a process-global clipboard reader that DefaultClipboard (and therefore ClipboardSource::new) will delegate to until reset_default_clipboard_reader is called.

set_default_stdin_reader

Installs a process-global stdin reader that DefaultStdin (and therefore StdinSource::new) will delegate to until reset_default_stdin_reader is called.