Migrate run_mdbook_init_with_custom_book_and_src_locations to BookTest

tests/init.rs

@@ -1,47 +1,7 @@
-use mdbook::config::Config;
 use mdbook::MDBook;
 use pretty_assertions::assert_eq;
-use std::fs;
-use std::fs::File;
-use std::io::prelude::*;
-use std::path::PathBuf;
 use tempfile::Builder as TempFileBuilder;
 
-/// Set some custom arguments for where to place the source and destination
-/// files, then call `mdbook init`.
-#[test]
-fn run_mdbook_init_with_custom_book_and_src_locations() {
-    let created_files = vec!["out", "in", "in/SUMMARY.md", "in/chapter_1.md"];
-
-    let temp = TempFileBuilder::new().prefix("mdbook").tempdir().unwrap();
-    for file in &created_files {
-        assert!(
-            !temp.path().join(file).exists(),
-            "{file} shouldn't exist yet!"
-        );
-    }
-
-    let mut cfg = Config::default();
-    cfg.book.src = PathBuf::from("in");
-    cfg.build.build_dir = PathBuf::from("out");
-
-    MDBook::init(temp.path()).with_config(cfg).build().unwrap();
-
-    for file in &created_files {
-        let target = temp.path().join(file);
-        assert!(
-            target.exists(),
-            "{file} should have been created by `mdbook init`"
-        );
-    }
-
-    let contents = fs::read_to_string(temp.path().join("book.toml")).unwrap();
-    assert_eq!(
-        contents,
-        "[book]\nauthors = []\nlanguage = \"en\"\nsrc = \"in\"\n\n[build]\nbuild-dir = \"out\"\ncreate-missing = true\nextra-watch-dirs = []\nuse-default-preprocessors = true\n"
-    );
-}
-
 #[test]
 fn copy_theme() {
     let temp = TempFileBuilder::new().prefix("mdbook").tempdir().unwrap();

tests/testsuite/init.rs

@@ -1,7 +1,8 @@
 //! Tests for `mdbook init`.
 
 use crate::prelude::*;
-use mdbook::MDBook;
+use mdbook::{Config, MDBook};
+use std::path::PathBuf;
 
 // Tests "init" with no args.
 #[test]
@@ -162,3 +163,47 @@ fn init_from_summary() {
 "#]],
         );
 }
+
+// Set some custom arguments for where to place the source and destination
+// files, then call `mdbook init`.
+#[test]
+fn init_with_custom_book_and_src_locations() {
+    let mut test = BookTest::empty();
+    let mut cfg = Config::default();
+    cfg.book.src = PathBuf::from("in");
+    cfg.build.build_dir = PathBuf::from("out");
+    MDBook::init(&test.dir).with_config(cfg).build().unwrap();
+    test.check_file(
+        "book.toml",
+        str![[r#"
+[book]
+authors = []
+language = "en"
+src = "in"
+
+[build]
+build-dir = "out"
+create-missing = true
+extra-watch-dirs = []
+use-default-preprocessors = true
+
+"#]],
+    )
+    .check_file(
+        "in/SUMMARY.md",
+        str![[r#"
+# Summary
+
+- [Chapter 1](./chapter_1.md)
+
+"#]],
+    )
+    .check_file(
+        "in/chapter_1.md",
+        str![[r#"
+# Chapter 1
+
+"#]],
+    );
+    assert!(test.dir.join("out").exists());
+}