riir

tests/manpage_cli.rs

@@ -0,0 +1,150 @@
+use std::fs;
+use std::process::Command;
+use std::time::{SystemTime, UNIX_EPOCH};
+
+fn unique_temp_dir(name: &str) -> std::path::PathBuf {
+    let nanos = SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .expect("system time")
+        .as_nanos();
+    std::env::temp_dir().join(format!("{name}-{}-{nanos}", std::process::id()))
+}
+
+#[test]
+fn manpage_command_uses_synopsis_name() {
+    let root = unique_temp_dir("inshellah-manpage-cli");
+    fs::create_dir_all(&root).expect("temp dir");
+    let manpage = root.join("btrfs-check.8");
+    fs::write(
+        &manpage,
+        r#".SH SYNOPSIS
+btrfs check [options] <device>
+.SH OPTIONS
+.TP
+\fB\-\-repair\fR
+try to repair the filesystem
+"#,
+    )
+    .expect("write manpage");
+
+    let output = Command::new(env!("CARGO_BIN_EXE_inshellah"))
+        .arg("manpage")
+        .arg(&manpage)
+        .output()
+        .expect("run inshellah manpage");
+
+    assert!(
+        output.status.success(),
+        "stderr = {}",
+        String::from_utf8_lossy(&output.stderr)
+    );
+    let stdout = String::from_utf8(output.stdout).expect("stdout");
+    assert!(
+        stdout.contains("export extern \"btrfs check\""),
+        "stdout = {stdout}"
+    );
+    assert!(
+        !stdout.contains("export extern \"btrfs-check\""),
+        "stdout = {stdout}"
+    );
+
+    let _ = fs::remove_dir_all(root);
+}
+
+#[test]
+fn manpage_command_strips_git_style_subcommand_prefixes() {
+    let root = unique_temp_dir("inshellah-manpage-cli");
+    fs::create_dir_all(&root).expect("temp dir");
+    let manpage = root.join("git.1");
+    fs::write(
+        &manpage,
+        r#".SH SYNOPSIS
+git [--version] [--help] <command> [<args>]
+.SH OPTIONS
+.TP
+\fB\-\-version\fR
+show version
+.SH "GIT COMMANDS"
+.SS "Main porcelain commands"
+.PP
+.BR git-add (1)
+.RS 4
+Add file contents to the index.
+.RE
+"#,
+    )
+    .expect("write manpage");
+
+    let output = Command::new(env!("CARGO_BIN_EXE_inshellah"))
+        .arg("manpage")
+        .arg(&manpage)
+        .output()
+        .expect("run inshellah manpage");
+
+    assert!(
+        output.status.success(),
+        "stderr = {}",
+        String::from_utf8_lossy(&output.stderr)
+    );
+    let stdout = String::from_utf8(output.stdout).expect("stdout");
+    assert!(
+        stdout.contains("export extern \"git add\""),
+        "stdout = {stdout}"
+    );
+    assert!(
+        !stdout.contains("export extern \"git git-add\""),
+        "stdout = {stdout}"
+    );
+
+    let _ = fs::remove_dir_all(root);
+}
+
+#[test]
+fn manpage_command_falls_back_when_synopsis_starts_with_prose() {
+    let root = unique_temp_dir("inshellah-manpage-cli");
+    fs::create_dir_all(&root).expect("temp dir");
+    let manpage = root.join("ld.so.8");
+    fs::write(
+        &manpage,
+        r#".SH SYNOPSIS
+The dynamic linker can be run either indirectly by running some
+dynamically linked program or shared object
+(in which case no command-line options
+to the dynamic linker can be passed and, in the ELF case, the dynamic linker
+which is stored in the
+.B .interp
+section of the program is executed) or directly by running:
+.P
+.I /lib/ld\-linux.so.*
+[OPTIONS] [PROGRAM [ARGUMENTS]]
+.SH OPTIONS
+.TP
+.BI \-\-argv0\~ string
+Set argv[0] to the value string.
+"#,
+    )
+    .expect("write manpage");
+
+    let output = Command::new(env!("CARGO_BIN_EXE_inshellah"))
+        .arg("manpage")
+        .arg(&manpage)
+        .output()
+        .expect("run inshellah manpage");
+
+    assert!(
+        output.status.success(),
+        "stderr = {}",
+        String::from_utf8_lossy(&output.stderr)
+    );
+    let stdout = String::from_utf8(output.stdout).expect("stdout");
+    assert!(
+        stdout.contains("export extern \"ld.so\""),
+        "stdout = {stdout}"
+    );
+    assert!(
+        !stdout.contains("export extern \"The\""),
+        "stdout = {stdout}"
+    );
+
+    let _ = fs::remove_dir_all(root);
+}