wip: Render structure test

src/site.rs

@@ -302,7 +302,7 @@ impl Site {
         let output_dir = output_dir.as_ref();
         let span = info_span!("Site::render", ?site_dir, ?output_dir);
         let _enter = span.enter();
-        todo!()
+        todo!("Site::render stub")
     }
 }
 /// Error encountered interacting with a [`Site`]

tests/render-structure.rs

@@ -0,0 +1,49 @@
+use std::path::PathBuf;
+
+use color_eyre::eyre::{ensure, Context, Result};
+use stranger_site_gen::site::Site;
+use walkdir::WalkDir;
+
+/// Test that rendering a site produces the correct overall structure, does not test the contents of
+/// the generated files
+#[test]
+fn render_structure() -> Result<()> {
+    // Get a pair of temporary directories
+    let tempdir_input = tempfile::tempdir().context("Failed to get temporary directory")?;
+    let tempdir_input_path = tempdir_input.path();
+    let tempdir_output = tempfile::tempdir().context("Failed to get temporary directory")?;
+    let tempdir_output_path = tempdir_output.path();
+    // Generate our site
+    let mut site = Site::default();
+    // Write it out
+    site.write(tempdir_input_path)
+        .context("Failed to write out site")?;
+    // Now render the site to the output path
+    site.render(tempdir_input_path, tempdir_output_path)
+        .context("Failed to render site")?;
+    // Generate out list of known good paths
+    let mut good_paths: Vec<_> = [
+        "index.html",
+        "posts/new-blog-who-this.html",
+        "statics/.gitkeep",
+        "styles/default.css",
+        "styles/index.css",
+        "styles/post.css",
+    ]
+    .into_iter()
+    .map(PathBuf::from)
+    .collect();
+    good_paths.sort();
+    // Now walk the output directory
+    let mut output_paths = Vec::new();
+    for item in WalkDir::new(tempdir_output_path) {
+        let item = item.context("Failed walking output")?.into_path();
+        if item.is_file() {
+            output_paths.push(item);
+        }
+    }
+    output_paths.sort();
+    // Compare the results
+    assert_eq!(good_paths, output_paths);
+    Ok(())
+}