fix(test): don't compile Triton TUI integration tests

Firstly, they are currently ignored anyway since they break
code-coverage tool `cargo tarpaulin`. Secondly, they fail to compile
on Windows.

triton-tui/Cargo.toml

@@ -29,6 +29,7 @@ lazy_static.workspace = true
 libc = "0.2"
 num-traits.workspace = true
 ratatui = { version = "0.25", features = ["serde", "macros"] }
+rexpect = { version = "0.5", optional = true }
 serde.workspace = true
 serde_json = "1.0"
 signal-hook = "0.3"
@@ -47,7 +48,6 @@ assert2.workspace = true
 pretty_assertions.workspace = true
 proptest.workspace = true
 proptest-arbitrary-interop.workspace = true
-rexpect = "0.5"
 test-strategy.workspace = true
 
 [build-dependencies]
@@ -56,6 +56,10 @@ clap_complete = "4.4"
 directories.workspace = true
 lazy_static.workspace = true
 
+[features]
+default = []
+integration-tests = ["rexpect"]
+
 [[bin]]
 name = "triton-tui"
 path = "src/main.rs"

triton-tui/tests/tests.rs

@@ -1,75 +1,82 @@
-use std::path::PathBuf;
+//! Integration tests for the triton-tui binary. Currently ignored for two reasons:
+//! 1. They break code-coverage tool `cargo-tarpaulin`.
+//! 2. The crate `rexpect` does not compile on Windows.
 
-use assert2::let_assert;
-use rexpect::error::Error;
-use rexpect::session::PtySession;
-use rexpect::spawn;
+#[cfg(test)]
+#[cfg(feature = "integration-tests")]
+mod tests {
+    use std::path::PathBuf;
 
-#[test]
-#[ignore = "breaks code-coverage tool `cargo-tarpaulin`"]
-fn setup_and_shutdown_triton_tui_with_trivial_program() {
-    let program = manifest_dir().join("tests/trivial_program.tasm");
-    let timeout = Some(180_000);
-    let mut child = setup_and_start_triton_tui_with_program(program, timeout);
-    let_assert!(Ok(_) = child.send_line("q"));
-    let_assert!(Ok(_) = child.exp_eof());
-}
+    use assert2::let_assert;
+    use rexpect::error::Error;
+    use rexpect::session::PtySession;
+    use rexpect::spawn;
 
-#[test]
-#[ignore = "breaks code-coverage tool `cargo-tarpaulin`"]
-fn setup_without_shutdown_of_triton_tui_with_trivial_program_leaves_tui_open() {
-    let program = manifest_dir().join("tests/trivial_program.tasm");
-    let timeout = Some(10_000);
-    let mut child = setup_and_start_triton_tui_with_program(program, timeout);
-    let_assert!(Err(Error::Timeout { .. }) = child.exp_eof());
-}
+    #[test]
+    fn setup_and_shutdown_triton_tui_with_trivial_program() {
+        let program = manifest_dir().join("tests/trivial_program.tasm");
+        let timeout = Some(180_000);
+        let mut child = setup_and_start_triton_tui_with_program(program, timeout);
+        let_assert!(Ok(_) = child.send_line("q"));
+        let_assert!(Ok(_) = child.exp_eof());
+    }
 
-#[test]
-#[ignore = "breaks code-coverage tool `cargo-tarpaulin`"]
-fn starting_triton_tui_on_program_with_infinite_loop_gives_control_back_to_user() {
-    let program = manifest_dir().join("tests/infinite_loop.tasm");
-    let timeout = Some(180_000);
-    let mut child = setup_and_start_triton_tui_with_program(program, timeout);
-    let_assert!(Ok(_) = child.send_line("q"));
-    let_assert!(Ok(_) = child.exp_eof());
-}
+    #[test]
+    fn setup_without_shutdown_of_triton_tui_with_trivial_program_leaves_tui_open() {
+        let program = manifest_dir().join("tests/trivial_program.tasm");
+        let timeout = Some(10_000);
+        let mut child = setup_and_start_triton_tui_with_program(program, timeout);
+        let_assert!(Err(Error::Timeout { .. }) = child.exp_eof());
+    }
 
-fn setup_and_start_triton_tui_with_program(program: PathBuf, timeout: Option<u64>) -> PtySession {
-    assert!(program.exists());
-    let_assert!(Some(program) = program.to_str());
+    #[test]
+    fn starting_triton_tui_on_program_with_infinite_loop_gives_control_back_to_user() {
+        let program = manifest_dir().join("tests/infinite_loop.tasm");
+        let timeout = Some(180_000);
+        let mut child = setup_and_start_triton_tui_with_program(program, timeout);
+        let_assert!(Ok(_) = child.send_line("q"));
+        let_assert!(Ok(_) = child.exp_eof());
+    }
 
-    let command = format!("cargo run --offline --bin triton-tui -- {program}");
-    let_assert!(Ok(child) = spawn(&command, timeout));
-    child
-}
+    fn setup_and_start_triton_tui_with_program(
+        program: PathBuf,
+        timeout: Option<u64>,
+    ) -> PtySession {
+        assert!(program.exists());
+        let_assert!(Some(program) = program.to_str());
 
-#[test]
-#[ignore = "breaks code-coverage tool `cargo-tarpaulin`"]
-fn setup_and_shutdown_triton_tui_with_example_initial_state() {
-    let timeout = Some(180_000);
-    let mut child = setup_and_start_triton_tui_with_example_initial_state(timeout);
-    let_assert!(Ok(_) = child.send_line("q"));
-    let_assert!(Ok(_) = child.exp_eof());
-}
+        let command = format!("cargo run --offline --bin triton-tui -- {program}");
+        let_assert!(Ok(child) = spawn(&command, timeout));
+        child
+    }
+
+    #[test]
+    fn setup_and_shutdown_triton_tui_with_example_initial_state() {
+        let timeout = Some(180_000);
+        let mut child = setup_and_start_triton_tui_with_example_initial_state(timeout);
+        let_assert!(Ok(_) = child.send_line("q"));
+        let_assert!(Ok(_) = child.exp_eof());
+    }
 
-fn setup_and_start_triton_tui_with_example_initial_state(timeout: Option<u64>) -> PtySession {
-    let path_to_trivial_program = manifest_dir().join("examples/program.tasm");
-    assert!(path_to_trivial_program.exists());
-    let_assert!(Some(path_to_trivial_program) = path_to_trivial_program.to_str());
+    fn setup_and_start_triton_tui_with_example_initial_state(timeout: Option<u64>) -> PtySession {
+        let path_to_trivial_program = manifest_dir().join("examples/program.tasm");
+        assert!(path_to_trivial_program.exists());
+        let_assert!(Some(path_to_trivial_program) = path_to_trivial_program.to_str());
 
-    let path_to_initial_state = manifest_dir().join("examples/initial_state.json");
-    assert!(path_to_initial_state.exists());
-    let_assert!(Some(path_to_initial_state) = path_to_initial_state.to_str());
+        let path_to_initial_state = manifest_dir().join("examples/initial_state.json");
+        assert!(path_to_initial_state.exists());
+        let_assert!(Some(path_to_initial_state) = path_to_initial_state.to_str());
 
-    let command = format!(
-        "cargo run --offline --bin triton-tui -- \
+        let command = format!(
+            "cargo run --offline --bin triton-tui -- \
         {path_to_trivial_program} --initial_state {path_to_initial_state}"
-    );
-    let_assert!(Ok(child) = spawn(&command, timeout));
-    child
-}
+        );
+        let_assert!(Ok(child) = spawn(&command, timeout));
+        child
+    }
 
-/// The directory containing the Cargo.toml file.
-fn manifest_dir() -> PathBuf {
-    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
+    /// The directory containing the Cargo.toml file.
+    fn manifest_dir() -> PathBuf {
+        PathBuf::from(env!("CARGO_MANIFEST_DIR"))
+    }
 }