1 files changed, 82 insertions, 0 deletions
diff --git a/tests/test_cli_interactive.rs b/tests/test_cli_interactive.rs
new file mode 100644
index 0000000..5f7111f
--- /dev/null
+++ b/tests/test_cli_interactive.rs
@@ -0,0 +1,82 @@
+// The interactive tests are in a separate file,
+// since they use `rexpect`, which internally uses quirky fork semantics to open a pty.
+// They will fail if tried to be executed concurrently any other CLI test.
+
+mod fixtures;
+
+use fixtures::*;
+
+use std::fs::File;
+use std::io::{Read, Write};
+use tempfile::tempdir;
+
+use assert_cmd::cargo::cargo_bin;
+#[cfg(not(target_os = "windows"))]
+use rexpect::spawn;
+
+// It should behave the same on windows, but interactive testing relies on unix pty internals.
+#[test]
+#[cfg(not(target_os = "windows"))]
+fn test_it_confirms_before_overwriting_a_file() {
+    let d = tempdir().unwrap();
+    let f = d.as_ref().join("test.out");
+
+    let mut file = File::create(&f).unwrap();
+    file.write_all(b"I'm a file!").unwrap();
+
+    let sample = mft_sample();
+
+    let cmd_string = format!(
+        "{bin} -f {output_file} {sample}",
+        bin = cargo_bin("mft_dump").display(),
+        output_file = f.to_string_lossy(),
+        sample = sample.to_str().unwrap()
+    );
+
+    let mut p = spawn(&cmd_string, Some(10000)).unwrap();
+    p.exp_regex(r#"Are you sure you want to override.*"#)
+        .unwrap();
+    p.send_line("y").unwrap();
+    p.exp_eof().unwrap();
+
+    let mut expected = vec![];
+
+    File::open(&f).unwrap().read_to_end(&mut expected).unwrap();
+    assert!(
+        !expected.len() > 100,
+        "Expected output to be printed to file"
+    )
+}
+
+#[test]
+#[cfg(not(target_os = "windows"))]
+fn test_it_confirms_before_overwriting_a_file_and_quits() {
+    let d = tempdir().unwrap();
+    let f = d.as_ref().join("test.out");
+
+    let mut file = File::create(&f).unwrap();
+    file.write_all(b"I'm a file!").unwrap();
+
+    let sample = mft_sample();
+
+    let cmd_string = format!(
+        "{bin} -f {output_file} {sample}",
+        bin = cargo_bin("mft_dump").display(),
+        output_file = f.to_string_lossy(),
+        sample = sample.to_str().unwrap()
+    );
+
+    let mut p = spawn(&cmd_string, Some(10000)).unwrap();
+    p.exp_regex(r#"Are you sure you want to override.*"#)
+        .unwrap();
+    p.send_line("n").unwrap();
+    p.exp_eof().unwrap();
+
+    let mut expected = vec![];
+
+    File::open(&f).unwrap().read_to_end(&mut expected).unwrap();
+    assert!(
+        !expected.len() > 100,
+        "Expected output to be printed to file"
+    )
+}