From c2c37705e7af909797ebd42327bda379802724c1 Mon Sep 17 00:00:00 2001
From: Eric Huss <eric@huss.org>
Date: Tue, 22 Apr 2025 11:12:01 -0700
Subject: [PATCH] Migrate custom fonts.css to BookTest

---
 tests/rendered_output.rs                      | 14 ------------
 tests/testsuite/theme.rs                      | 22 +++++++++++++++++++
 .../testsuite/theme/fonts_css/src/SUMMARY.md  |  1 +
 .../theme/fonts_css/theme/fonts/fonts.css     |  1 +
 .../theme/fonts_css/theme/fonts/myfont.woff   |  0
 5 files changed, 24 insertions(+), 14 deletions(-)
 create mode 100644 tests/testsuite/theme/fonts_css/src/SUMMARY.md
 create mode 100644 tests/testsuite/theme/fonts_css/theme/fonts/fonts.css
 create mode 100644 tests/testsuite/theme/fonts_css/theme/fonts/myfont.woff

diff --git a/tests/rendered_output.rs b/tests/rendered_output.rs
index f9b4c48e..20a91825 100644
--- a/tests/rendered_output.rs
+++ b/tests/rendered_output.rs
@@ -323,20 +323,6 @@ fn custom_fonts() {
         contents.contains("fonts/fonts.css")
     };
 
-    // Mixed with copy-fonts=true
-    // Should ignore the copy-fonts setting since the user has provided their own fonts.css.
-    let temp = TempFileBuilder::new().prefix("mdbook").tempdir().unwrap();
-    let p = temp.path();
-    MDBook::init(p).build().unwrap();
-    write_file(&p.join("theme/fonts"), "fonts.css", b"/*custom*/").unwrap();
-    write_file(&p.join("theme/fonts"), "myfont.woff", b"").unwrap();
-    MDBook::load(p).unwrap().build().unwrap();
-    assert!(has_fonts_css(p));
-    assert_eq!(
-        actual_files(&p.join("book/fonts")),
-        ["fonts.css", "myfont.woff"]
-    );
-
     // copy-fonts=false, no theme
     // This should generate a deprecation warning.
     let temp = TempFileBuilder::new().prefix("mdbook").tempdir().unwrap();
diff --git a/tests/testsuite/theme.rs b/tests/testsuite/theme.rs
index c552d452..9cab6e57 100644
--- a/tests/testsuite/theme.rs
+++ b/tests/testsuite/theme.rs
@@ -115,3 +115,25 @@ book/fonts/source-code-pro-v11-all-charsets-500.woff2
 "#]],
     );
 }
+
+// Custom fonts.css.
+#[test]
+fn fonts_css() {
+    BookTest::from_dir("theme/fonts_css")
+        .check_file_contains("book/index.html", "fonts/fonts.css")
+        .check_file(
+            "book/fonts/fonts.css",
+            str![[r#"
+/*custom*/
+
+"#]],
+        )
+        .check_file("book/fonts/myfont.woff", str![[""]])
+        .check_file_list(
+            "book/fonts",
+            str![[r#"
+book/fonts/fonts.css
+book/fonts/myfont.woff
+"#]],
+        );
+}
diff --git a/tests/testsuite/theme/fonts_css/src/SUMMARY.md b/tests/testsuite/theme/fonts_css/src/SUMMARY.md
new file mode 100644
index 00000000..510ba886
--- /dev/null
+++ b/tests/testsuite/theme/fonts_css/src/SUMMARY.md
@@ -0,0 +1 @@
+- [With Fonts](index.md)
diff --git a/tests/testsuite/theme/fonts_css/theme/fonts/fonts.css b/tests/testsuite/theme/fonts_css/theme/fonts/fonts.css
new file mode 100644
index 00000000..b94b7f50
--- /dev/null
+++ b/tests/testsuite/theme/fonts_css/theme/fonts/fonts.css
@@ -0,0 +1 @@
+/*custom*/
diff --git a/tests/testsuite/theme/fonts_css/theme/fonts/myfont.woff b/tests/testsuite/theme/fonts_css/theme/fonts/myfont.woff
new file mode 100644
index 00000000..e69de29b