Refactor a bit (#23)

Cargo.toml

@@ -40,3 +40,4 @@ log = "0.4.22"
 assert_cmd = "2.0.14"
 predicates = "3.1.0"
 serial_test = "3.2.0"
+rstest = "0.23.0"

src/check.rs

@@ -0,0 +1,79 @@
+use crate::{fetch_license_infos, license_info::LicenseInfo, CheckOutput, CondaDenyCheckConfig};
+use anyhow::{Context, Result};
+use colored::Colorize;
+use log::debug;
+use std::io::Write;
+
+fn check_license_infos(config: &CondaDenyCheckConfig) -> Result<CheckOutput> {
+    let license_infos = fetch_license_infos(config.lockfile_or_prefix.clone())
+        .with_context(|| "Fetching license information failed.")?;
+
+    if config.osi {
+        debug!("Checking licenses for OSI compliance");
+        Ok(license_infos.osi_check())
+    } else {
+        debug!("Checking licenses against specified whitelist");
+        license_infos.check(config)
+    }
+}
+
+pub fn check<W: Write>(check_config: CondaDenyCheckConfig, mut out: W) -> Result<()> {
+    let (safe_dependencies, unsafe_dependencies) = check_license_infos(&check_config)?;
+
+    writeln!(
+        out,
+        "{}",
+        format_check_output(
+            safe_dependencies,
+            unsafe_dependencies.clone(),
+        )
+    )?;
+
+    if !unsafe_dependencies.is_empty() {
+        Err(anyhow::anyhow!("Unsafe licenses found"))
+    } else {
+        Ok(())
+    }
+}
+
+pub fn format_check_output(
+    safe_dependencies: Vec<LicenseInfo>,
+    unsafe_dependencies: Vec<LicenseInfo>,
+) -> String {
+    let mut output = String::new();
+
+    if !unsafe_dependencies.is_empty() {
+        output.push_str(
+            format!(
+                "\n❌ {}:\n\n",
+                "The following dependencies are unsafe".red()
+            )
+            .as_str(),
+        );
+        for license_info in &unsafe_dependencies {
+            output.push_str(&license_info.pretty_print())
+        }
+    }
+
+    if unsafe_dependencies.is_empty() {
+        output.push_str(&format!(
+            "\n{}",
+            "✅ No unsafe licenses found! ✅".to_string().green()
+        ));
+    } else {
+        output.push_str(&format!(
+            "\n{}",
+            "❌ Unsafe licenses found! ❌".to_string().red()
+        ));
+    }
+
+    output.push_str(&format!(
+        "\nThere were {} safe licenses and {} unsafe licenses.\n",
+        safe_dependencies.len().to_string().green(),
+        unsafe_dependencies.len().to_string().red()
+    ));
+
+    output.push('\n');
+
+    output
+}

src/cli.rs

@@ -1,7 +1,10 @@
+use std::path::PathBuf;
+
 use clap::ArgAction;
 use clap_verbosity_flag::{ErrorLevel, Verbosity};
 
 use clap::Parser;
+use rattler_conda_types::Platform;
 
 #[derive(Parser, Debug)]
 #[command(name = "conda-deny", about = "Check and list licenses of pixi and conda environments", version = env!("CARGO_PKG_VERSION"))]
@@ -10,94 +13,130 @@ pub struct Cli {
     pub verbose: Verbosity<ErrorLevel>,
 
     #[command(subcommand)]
-    pub command: Commands,
+    pub command: CondaDenyCliConfig,
 
+    /// Path to the conda-deny config file
     #[arg(short, long, global = true)]
-    pub config: Option<String>,
-
-    #[arg(long, global = true)]
-    pub prefix: Option<Vec<String>>,
-
-    #[arg(short, long)]
-    pub lockfile: Option<Vec<String>>,
-
-    #[arg(short, long)]
-    pub platform: Option<Vec<String>>,
-
-    #[arg(short, long)]
-    pub environment: Option<Vec<String>>,
+    pub config: Option<PathBuf>,
 }
 
 #[derive(clap::Subcommand, Debug)]
-pub enum Commands {
+pub enum CondaDenyCliConfig {
     Check {
-        #[arg(short, long, action = ArgAction::SetTrue)]
-        include_safe: bool,
+        /// Path to the pixi lockfile(s)
+        #[arg(short, long)]
+        lockfile: Option<Vec<PathBuf>>,
 
+        /// Path to the conda prefix(es)
+        #[arg(long, global = true)]
+        prefix: Option<Vec<PathBuf>>,
+
+        /// Platform(s) to check
+        #[arg(short, long)]
+        platform: Option<Vec<Platform>>,
+
+        /// Pixi environment(s) to check
+        #[arg(short, long)]
+        environment: Option<Vec<String>>,
+
+        /// Check against OSI licenses instead of custom license whitelists.
         #[arg(short, long, action = ArgAction::SetTrue)]
-        osi: bool,
+        osi: Option<bool>,
 
         /// Ignore when encountering pypi packages instead of failing.
         #[arg(long, action = ArgAction::SetTrue)]
-        ignore_pypi: bool,
+        ignore_pypi: Option<bool>,
+    },
+    List {
+        /// Path to the pixi lockfile(s)
+        #[arg(short, long)]
+        lockfile: Option<Vec<PathBuf>>,
+
+        /// Path to the conda prefix(es)
+        #[arg(long, global = true)]
+        prefix: Option<Vec<PathBuf>>,
+
+        /// Platform(s) to list
+        #[arg(short, long)]
+        platform: Option<Vec<Platform>>,
+
+        /// Pixi environment(s) to list
+        #[arg(short, long)]
+        environment: Option<Vec<String>>,
+
+        /// Ignore when encountering pypi packages instead of failing.
+        #[arg(long)]
+        ignore_pypi: Option<bool>,
     },
-    List {},
 }
 
-#[cfg(test)]
-mod tests {
-    use super::*;
+impl CondaDenyCliConfig {
+    pub fn lockfile(&self) -> Option<Vec<PathBuf>> {
+        match self {
+            CondaDenyCliConfig::Check { lockfile, .. } => lockfile.clone(),
+            CondaDenyCliConfig::List { lockfile, .. } => lockfile.clone(),
+        }
+    }
 
-    #[test]
-    fn test_cli_check_include_safe() {
-        let cli = Cli::try_parse_from(vec!["conda-deny", "check", "--include-safe"]).unwrap();
-        match cli.command {
-            Commands::Check { include_safe, .. } => {
-                assert!(include_safe);
-            }
-            _ => panic!("Expected check subcommand with --include-safe"),
+    pub fn prefix(&self) -> Option<Vec<PathBuf>> {
+        match self {
+            CondaDenyCliConfig::Check { prefix, .. } => prefix.clone(),
+            CondaDenyCliConfig::List { prefix, .. } => prefix.clone(),
         }
     }
 
+    pub fn platform(&self) -> Option<Vec<Platform>> {
+        match self {
+            CondaDenyCliConfig::Check { platform, .. } => platform.clone(),
+            CondaDenyCliConfig::List { platform, .. } => platform.clone(),
+        }
+    }
+
+    pub fn environment(&self) -> Option<Vec<String>> {
+        match self {
+            CondaDenyCliConfig::Check { environment, .. } => environment.clone(),
+            CondaDenyCliConfig::List { environment, .. } => environment.clone(),
+        }
+    }
+
+    pub fn ignore_pypi(&self) -> Option<bool> {
+        match self {
+            CondaDenyCliConfig::Check { ignore_pypi, .. } => *ignore_pypi,
+            CondaDenyCliConfig::List { ignore_pypi, .. } => *ignore_pypi,
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
     #[test]
     fn test_cli_with_config() {
         let cli =
             Cli::try_parse_from(vec!["conda-deny", "list", "--config", "custom.toml"]).unwrap();
-        assert_eq!(cli.config.as_deref(), Some("custom.toml"));
+        assert_eq!(cli.config, Some("custom.toml".into()));
     }
 
     #[test]
     fn test_cli_with_config_new_order() {
         let cli =
             Cli::try_parse_from(vec!["conda-deny", "check", "--config", "custom.toml"]).unwrap();
-        assert_eq!(cli.config.as_deref(), Some("custom.toml"));
+        assert_eq!(cli.config, Some("custom.toml".into()));
         match cli.command {
-            Commands::Check { include_safe, .. } => {
-                assert!(!include_safe);
-            }
+            CondaDenyCliConfig::Check { .. } => {}
             _ => panic!("Expected check subcommand with --config"),
         }
     }
 
     #[test]
     fn test_cli_with_check_arguments() {
-        let cli = Cli::try_parse_from(vec!["conda-deny", "check", "--include-safe"]).unwrap();
-        match cli.command {
-            Commands::Check { include_safe, .. } => {
-                assert!(include_safe);
-            }
-            _ => panic!("Expected check subcommand with --include-safe"),
-        }
-    }
-
-    #[test]
-    fn test_cli_with_check_osi() {
         let cli = Cli::try_parse_from(vec!["conda-deny", "check", "--osi"]).unwrap();
         match cli.command {
-            Commands::Check { osi, .. } => {
-                assert!(osi);
+            CondaDenyCliConfig::Check { osi, .. } => {
+                assert_eq!(osi, Some(true));
             }
-            _ => panic!("Expected check subcommand with --osi"),
+            _ => panic!("Expected check subcommand with --include-safe"),
         }
     }
 }