1 files changed, 61 insertions, 0 deletions
diff --git a/src/tests/interpretation.rs b/src/tests/interpretation.rs
new file mode 100644
index 0000000..64106af
--- /dev/null
+++ b/src/tests/interpretation.rs
@@ -0,0 +1,61 @@
+use crate::Configuration;
+use std::error::Error;
+use std::fmt::Display;
+
+fn do_list_test(_cfg: &Configuration) -> Result<(), Box<dyn Error>> {
+	todo!()
+}
+
+fn do_goodbad_test<I: PartialEq + Display>(
+	cfg: &Configuration,
+	name: &str,
+	parser: impl Fn(&Configuration, &str) -> Option<crate::Result<I>>,
+) -> Result<(), Box<dyn Error>> {
+	let good = cfg.section("good");
+	for key in good.keys() {
+		let [a_value, b_value] = ["a", "b"].map(|c| {
+			parser(&good, &format!("{key}.{c}"))
+				.ok_or_else(|| format!("expected to find key good.{key}.{c}"))?
+				.map_err(|e| format!("parsing good.{key}.{c} failed: {e}"))
+		});
+		let a_value = a_value?;
+		let b_value = b_value?;
+		if a_value != b_value {
+			Err(format!(
+				"{name} incorrectly parsed: good.{key}.a = {a_value}, but good.{key}.b = {b_value}"
+			))?;
+		}
+	}
+	let bad = cfg.section("bad");
+	for (key, val) in bad.iter() {
+		if parser(&bad, key)
+			.ok_or_else(|| format!("parsing bad.{key} failed: {key} not found"))?
+			.is_ok()
+		{
+			Err(format!(
+				"bad.{key} value {val:?} should be rejected as a(n) {name} but it wasn't"
+			))?;
+		}
+	}
+	Ok(())
+}
+
+#[test]
+fn interpretation() {
+	super::do_tests_in_dir("interpretation", ".pom", |filename| {
+		let cfg = Configuration::load_path(filename)?;
+		if filename.ends_with("list.pom") {
+			do_list_test(&cfg)
+		} else if filename.ends_with("uint.pom") {
+			do_goodbad_test(&cfg, "uint", Configuration::get_uint)
+		} else if filename.ends_with("int.pom") {
+			do_goodbad_test(&cfg, "int", Configuration::get_int)
+		} else if filename.ends_with("float.pom") {
+			do_goodbad_test(&cfg, "float", Configuration::get_float)
+		} else if filename.ends_with("bool.pom") {
+			do_goodbad_test(&cfg, "bool", Configuration::get_bool)
+		} else {
+			panic!("unrecognized test: {filename}")
+		}
+	})
+}