test: add compression tests for none, lz4, gzip, bzip2

src/tests.rs

@@ -319,4 +319,43 @@ mod tests {
             assert!(output_str.is_empty(), "Command output is not empty. Command: {}  Output: {}", cmd, output_str);
         });
     }
+
+    // Test: Compression functionality with different algorithms
+    #[test]
+    fn test_compression() {
+        with_temp_env(|data_dir| {
+            // Set the data directory for this test
+            let env = format!("KEEP_DIR={} cargo run -- --verbose", data_dir.display());
+
+            // Test with no compression
+            let cmd = format!("echo {} | {} -c none --tag none", INPUT_A, env);
+            let output = run_sh(cmd.as_str());
+            assert!(output.status.success(), "Command failed: {}", INPUT_A);
+
+            // Test with lz4 compression
+            let cmd = format!("echo {} | {} -c lz4 --tag lz4", INPUT_A, env);
+            let output = run_sh(cmd.as_str());
+            assert!(output.status.success(), "Command failed: {}", INPUT_A);
+
+            // Test with gzip compression
+            let cmd = format!("echo {} | {} -c gzip --tag gzip", INPUT_A, env);
+            let output = run_sh(cmd.as_str());
+            assert!(output.status.success(), "Command failed: {}", INPUT_A);
+
+            // Test with bzip2 compression
+            let cmd = format!("echo {} | {} -c bzip2 --tag bzip2", INPUT_A, env);
+            let output = run_sh(cmd.as_str());
+            assert!(output.status.success(), "Command failed: {}", INPUT_A);
+
+            // Verify all items were created
+            let cmd = format!("{} --list", env);
+            let output = run_sh(cmd.as_str());
+            assert!(output.status.success(), "Command failed: {}", cmd);
+            let output_str = String::from_utf8_lossy(&output.stdout).to_string();
+            assert!(output_str.contains("none"), "Command output does not contain expected string. Command: {}  Output: {}", cmd, output_str);
+            assert!(output_str.contains("lz4"), "Command output does not contain expected string. Command: {}  Output: {}", cmd, output_str);
+            assert!(output_str.contains("gzip"), "Command output does not contain expected string. Command: {}  Output: {}", cmd, output_str);
+            assert!(output_str.contains("bzip2"), "Command output does not contain expected string. Command: {}  Output: {}", cmd, output_str);
+        });
+    }
 }