start with test runner

tests/full_tests.rs

@@ -0,0 +1,54 @@
+use anyhow::{ensure, Context, Result};
+use std::process::Command;
+use std::{
+    fs,
+    io::{self, Write},
+    path::Path,
+};
+
+#[test]
+fn full_tests() -> Result<()> {
+    let path = Path::new(file!())
+        .canonicalize()?
+        .parent()
+        .unwrap()
+        .parent()
+        .unwrap()
+        .join("full-tests");
+
+    let children = fs::read_dir(path)?;
+
+    for child in children {
+        let child = child?;
+        let path = child.path();
+
+        build(&path)?;
+    }
+
+    Ok(())
+}
+
+fn build(path: &Path) -> Result<()> {
+    let cargo_minimize = Path::new("target/debug/cargo-minimize").canonicalize()?;
+
+    let proj_dir = path.file_name().unwrap().to_str().unwrap();
+    writeln!(io::stdout(), ".... Testing {}", proj_dir)?;
+
+    let tempdir = tempfile::tempdir()?;
+
+    fs_extra::copy_items(&[path], &tempdir, &fs_extra::dir::CopyOptions::new())?;
+
+    let proj_dir = tempdir.path().join(proj_dir).canonicalize()?;
+
+    let mut cmd = Command::new(cargo_minimize);
+    cmd.current_dir(&proj_dir);
+
+    cmd.arg("minimize");
+
+    let out = cmd.output().context("spawning cargo-minimize")?;
+    let stderr = String::from_utf8(out.stderr).unwrap();
+
+    // ensure!(out.status.success(), "Command failed:\n{stderr}",);
+
+    Ok(())
+}