feat: add config parsing

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/cuddle-release/tests/config.rs

@@ -0,0 +1,83 @@
+pub mod common;
+
+use std::path::PathBuf;
+
+use common::BufferUi;
+use cuddle_release::command::Command;
+use tracing_test::traced_test;
+
+fn get_base_args<'a>() -> Vec<&'a str> {
+    vec!["cuddle-please", "config", "list"]
+}
+
+fn assert_output(ui: &BufferUi, expected_stdout: &str, expected_stderr: &str) {
+    let (stdout, stderr) = ui.get_output();
+
+    assert_eq!(expected_stdout, &stdout);
+    assert_eq!(expected_stderr, &stderr);
+}
+
+fn get_test_data_path(item: &str) -> PathBuf {
+    std::env::current_dir()
+        .ok()
+        .map(|p| p.join("testdata").join(item))
+        .unwrap()
+}
+
+#[test]
+#[traced_test]
+fn test_config_from_current_dir() {
+    let args = get_base_args();
+    let ui = &BufferUi::default();
+    let current_dir = get_test_data_path("cuddle-embed");
+
+    Command::new_from_args(Some(ui), args.into_iter())
+        .execute(Some(&current_dir))
+        .unwrap();
+
+    assert_output(ui, "cuddle-config\n", "");
+}
+
+#[test]
+#[traced_test]
+fn test_config_from_source_dir() {
+    let mut args = get_base_args();
+    let ui = &BufferUi::default();
+    let current_dir = get_test_data_path("cuddle-embed");
+    args.push("--source");
+    args.push(current_dir.to_str().unwrap());
+
+    Command::new_from_args(Some(ui), args.into_iter())
+        .execute(None)
+        .unwrap();
+
+    assert_output(ui, "cuddle-config\n", "");
+}
+
+#[test]
+#[traced_test]
+fn test_config_from_stdin() {
+    let mut args = get_base_args();
+    let ui = &BufferUi::default();
+    let current_dir = get_test_data_path("cuddle-embed");
+    args.push("--source");
+    args.push(current_dir.to_str().unwrap());
+    args.push("--config-stdin");
+
+    Command::new_from_args_with_stdin(Some(ui), args.into_iter(), || Ok("please".into()))
+        .execute(None)
+        .unwrap();
+
+    assert_output(ui, "cuddle-config\n", "");
+}
+
+#[test]
+#[traced_test]
+fn test_config_fails_when_not_path_is_set() {
+    let args = get_base_args();
+    let ui = &BufferUi::default();
+
+    let res = Command::new_from_args(Some(ui), args.into_iter()).execute(None);
+
+    assert!(res.is_err())
+}