Export the Cli struct to a separate module

To keep `main.rs` clean.

2 files changed, 177 insertions, 168 deletions

diff --git a/src/cli.rs b/src/cli.rs
new file mode 100644
index 0000000..4525781
--- /dev/null
+++ b/src/cli.rs
@@ -0,0 +1,172 @@
+use std::path::PathBuf;
+
+use clap::Parser;
+use repo2markdown::{
+    logger::Verbosity,
+    renderer::{DEFAULT_MAX_FILE_SIZE, RenderOptions},
+};
+
+#[derive(Debug, Parser)]
+#[command(version, about, long_about = None)]
+pub struct Cli {
+    /// Root path to which file paths displayed in the generated markdown are relative.
+    #[arg(long, default_value = ".")]
+    pub root: PathBuf,
+
+    /// Base path used to resolve relative input paths.
+    #[arg(long, default_value = ".")]
+    pub origin: PathBuf,
+
+    /// Project title to use in the markdown header.
+    #[arg(long)]
+    pub name: Option<String>,
+
+    /// Wrap the entire output in a markdown code fence.
+    #[arg(long)]
+    pub fenced: bool,
+
+    /// Maximum file size, in bytes, to include in the generated markdown.
+    #[arg(long, default_value_t = DEFAULT_MAX_FILE_SIZE, value_name = "BYTES")]
+    max_file_size: u64,
+
+    /// Include a placeholder entry when a binary file is skipped.
+    #[arg(long)]
+    placeholder_binary_files: bool,
+
+    /// Include a placeholder entry when a large file is skipped.
+    #[arg(long)]
+    placeholder_large_files: bool,
+
+    /// Suppress warnings and informational logs.
+    #[arg(long, conflicts_with = "verbose")]
+    quiet: bool,
+
+    /// Include informational logs.
+    #[arg(long, conflicts_with = "quiet")]
+    verbose: bool,
+}
+
+impl Cli {
+    pub fn render_options(&self) -> RenderOptions {
+        RenderOptions {
+            max_file_size: self.max_file_size,
+            placeholder_for_binary_files: self.placeholder_binary_files,
+            placeholder_for_large_files: self.placeholder_large_files,
+        }
+    }
+
+    pub fn verbosity(&self) -> Verbosity {
+        if self.quiet {
+            Verbosity::Quiet
+        } else if self.verbose {
+            Verbosity::Verbose
+        } else {
+            Verbosity::Normal
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use std::path::PathBuf;
+
+    use clap::Parser;
+    use repo2markdown::logger::Verbosity;
+
+    use super::{Cli, RenderOptions};
+
+    #[test]
+    fn cli_uses_default_paths_and_normal_verbosity() {
+        let cli = Cli::try_parse_from(["repo2markdown"]).unwrap();
+
+        assert_eq!(cli.root, PathBuf::from("."));
+        assert_eq!(cli.origin, PathBuf::from("."));
+        assert_eq!(cli.name, None);
+        assert_eq!(cli.verbosity(), Verbosity::Normal);
+    }
+
+    #[test]
+    fn cli_accepts_root_origin_and_name() {
+        let cli = Cli::try_parse_from([
+            "repo2markdown",
+            "--root",
+            "/repo",
+            "--origin",
+            "/repo/src",
+            "--name",
+            "My Project",
+        ])
+        .unwrap();
+
+        assert_eq!(cli.root, PathBuf::from("/repo"));
+        assert_eq!(cli.origin, PathBuf::from("/repo/src"));
+        assert_eq!(cli.name.as_deref(), Some("My Project"));
+    }
+
+    #[test]
+    fn cli_accepts_render_options() {
+        let cli = Cli::try_parse_from([
+            "repo2markdown",
+            "--max-file-size",
+            "5",
+            "--placeholder-binary-files",
+            "--placeholder-large-files",
+        ])
+        .unwrap();
+
+        let options = cli.render_options();
+
+        assert_eq!(options.max_file_size, 5);
+        assert!(options.placeholder_for_binary_files);
+        assert!(options.placeholder_for_large_files);
+    }
+
+    #[test]
+    fn cli_defaults_unspecified_render_options() {
+        let cli = Cli::try_parse_from(["repo2markdown"]).unwrap();
+
+        assert_eq!(cli.render_options(), RenderOptions::default());
+    }
+
+    #[test]
+    fn cli_accepts_quiet_verbosity() {
+        let cli = Cli::try_parse_from(["repo2markdown", "--quiet"]).unwrap();
+
+        assert_eq!(cli.verbosity(), Verbosity::Quiet);
+    }
+
+    #[test]
+    fn cli_accepts_verbose_verbosity() {
+        let cli = Cli::try_parse_from(["repo2markdown", "--verbose"]).unwrap();
+
+        assert_eq!(cli.verbosity(), Verbosity::Verbose);
+    }
+
+    #[test]
+    fn cli_rejects_quiet_and_verbose_together() {
+        let result = Cli::try_parse_from(["repo2markdown", "--quiet", "--verbose"]);
+
+        assert!(result.is_err());
+    }
+
+    #[test]
+    fn cli_rejects_invalid_max_file_size() {
+        let result = Cli::try_parse_from(["repo2markdown", "--max-file-size", "not-a-number"]);
+
+        assert!(result.is_err());
+    }
+
+    #[test]
+    fn cli_does_not_use_fenced_output_by_default() {
+        let cli = Cli::try_parse_from(["repo2markdown"]).unwrap();
+
+        assert!(!cli.fenced);
+    }
+
+    #[test]
+    fn cli_accepts_fenced_output_option() {
+        let cli = Cli::try_parse_from(["repo2markdown", "--fenced"]).unwrap();
+
+        assert!(cli.fenced);
+    }
+}
diff --git a/src/main.rs b/src/main.rs
index bc193e8..0cb672f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,72 +1,14 @@
-use std::{io, path::PathBuf};
+mod cli;
+
+use std::io;
 
 use clap::Parser;
 use repo2markdown::{
-    fenced_md_generator::generate_fenced_markdown,
-    logger::{Logger, Verbosity},
+    fenced_md_generator::generate_fenced_markdown, logger::Logger,
     md_generator::generate_markdown_from_paths,
-    renderer::{DEFAULT_MAX_FILE_SIZE, RenderOptions},
 };
 
-#[derive(Debug, Parser)]
-#[command(version, about, long_about = None)]
-struct Cli {
-    /// Root path to which file paths displayed in the generated markdown are relative.
-    #[arg(long, default_value = ".")]
-    root: PathBuf,
-
-    /// Base path used to resolve relative input paths.
-    #[arg(long, default_value = ".")]
-    origin: PathBuf,
-
-    /// Project title to use in the markdown header.
-    #[arg(long)]
-    name: Option<String>,
-
-    /// Wrap the entire output in a markdown code fence.
-    #[arg(long)]
-    fenced: bool,
-
-    /// Maximum file size, in bytes, to include in the generated markdown.
-    #[arg(long, default_value_t = DEFAULT_MAX_FILE_SIZE, value_name = "BYTES")]
-    max_file_size: u64,
-
-    /// Include a placeholder entry when a binary file is skipped.
-    #[arg(long)]
-    placeholder_binary_files: bool,
-
-    /// Include a placeholder entry when a large file is skipped.
-    #[arg(long)]
-    placeholder_large_files: bool,
-
-    /// Suppress warnings and informational logs.
-    #[arg(long, conflicts_with = "verbose")]
-    quiet: bool,
-
-    /// Include informational logs.
-    #[arg(long, conflicts_with = "quiet")]
-    verbose: bool,
-}
-
-impl Cli {
-    fn render_options(&self) -> RenderOptions {
-        RenderOptions {
-            max_file_size: self.max_file_size,
-            placeholder_for_binary_files: self.placeholder_binary_files,
-            placeholder_for_large_files: self.placeholder_large_files,
-        }
-    }
-
-    fn verbosity(&self) -> Verbosity {
-        if self.quiet {
-            Verbosity::Quiet
-        } else if self.verbose {
-            Verbosity::Verbose
-        } else {
-            Verbosity::Normal
-        }
-    }
-}
+use crate::cli::Cli;
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {
     let cli = Cli::parse();
@@ -98,108 +40,3 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         )
     }
 }
-
-#[cfg(test)]
-mod tests {
-    use std::path::PathBuf;
-
-    use clap::Parser;
-    use repo2markdown::logger::Verbosity;
-
-    use super::{Cli, RenderOptions};
-
-    #[test]
-    fn cli_uses_default_paths_and_normal_verbosity() {
-        let cli = Cli::try_parse_from(["repo2markdown"]).unwrap();
-
-        assert_eq!(cli.root, PathBuf::from("."));
-        assert_eq!(cli.origin, PathBuf::from("."));
-        assert_eq!(cli.name, None);
-        assert_eq!(cli.verbosity(), Verbosity::Normal);
-    }
-
-    #[test]
-    fn cli_accepts_root_origin_and_name() {
-        let cli = Cli::try_parse_from([
-            "repo2markdown",
-            "--root",
-            "/repo",
-            "--origin",
-            "/repo/src",
-            "--name",
-            "My Project",
-        ])
-        .unwrap();
-
-        assert_eq!(cli.root, PathBuf::from("/repo"));
-        assert_eq!(cli.origin, PathBuf::from("/repo/src"));
-        assert_eq!(cli.name.as_deref(), Some("My Project"));
-    }
-
-    #[test]
-    fn cli_accepts_render_options() {
-        let cli = Cli::try_parse_from([
-            "repo2markdown",
-            "--max-file-size",
-            "5",
-            "--placeholder-binary-files",
-            "--placeholder-large-files",
-        ])
-        .unwrap();
-
-        let options = cli.render_options();
-
-        assert_eq!(options.max_file_size, 5);
-        assert!(options.placeholder_for_binary_files);
-        assert!(options.placeholder_for_large_files);
-    }
-
-    #[test]
-    fn cli_defaults_unspecified_render_options() {
-        let cli = Cli::try_parse_from(["repo2markdown"]).unwrap();
-
-        assert_eq!(cli.render_options(), RenderOptions::default());
-    }
-
-    #[test]
-    fn cli_accepts_quiet_verbosity() {
-        let cli = Cli::try_parse_from(["repo2markdown", "--quiet"]).unwrap();
-
-        assert_eq!(cli.verbosity(), Verbosity::Quiet);
-    }
-
-    #[test]
-    fn cli_accepts_verbose_verbosity() {
-        let cli = Cli::try_parse_from(["repo2markdown", "--verbose"]).unwrap();
-
-        assert_eq!(cli.verbosity(), Verbosity::Verbose);
-    }
-
-    #[test]
-    fn cli_rejects_quiet_and_verbose_together() {
-        let result = Cli::try_parse_from(["repo2markdown", "--quiet", "--verbose"]);
-
-        assert!(result.is_err());
-    }
-
-    #[test]
-    fn cli_rejects_invalid_max_file_size() {
-        let result = Cli::try_parse_from(["repo2markdown", "--max-file-size", "not-a-number"]);
-
-        assert!(result.is_err());
-    }
-
-    #[test]
-    fn cli_does_not_use_fenced_output_by_default() {
-        let cli = Cli::try_parse_from(["repo2markdown"]).unwrap();
-
-        assert!(!cli.fenced);
-    }
-
-    #[test]
-    fn cli_accepts_fenced_output_option() {
-        let cli = Cli::try_parse_from(["repo2markdown", "--fenced"]).unwrap();
-
-        assert!(cli.fenced);
-    }
-}