Add test for index page
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# Summary
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---
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- [None of these should be treated as the "index chapter"]()
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# Part 1
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- [Not this either]()
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- [Chapter 1](./chapter_1.md)
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- [And not this]()
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# Chapter 1
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@ -15,7 +15,7 @@ use select::predicate::{Class, Name, Predicate};
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use std::collections::HashMap;
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use std::ffi::OsStr;
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use std::fs;
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use std::io::Write;
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use std::io::{Read, Write};
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use std::path::{Component, Path, PathBuf};
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use std::str::FromStr;
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use tempfile::Builder as TempFileBuilder;
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@ -467,6 +467,34 @@ fn by_default_mdbook_use_index_preprocessor_to_convert_readme_to_index() {
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assert_doesnt_contain_strings(&second_index, &unexpected_strings);
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}
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#[test]
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fn first_chapter_is_copied_as_index_even_if_not_first_elem() {
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let temp = DummyBook::new().build().unwrap();
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let mut cfg = Config::default();
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cfg.set("book.src", "index_html_test")
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.expect("Couldn't set config.book.src to \"index_html_test\"");
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let md = MDBook::load_with_config(temp.path(), cfg).unwrap();
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md.build().unwrap();
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// In theory, just reading the entire files into memory and comparing is sufficient for *testing*,
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// but since the files are temporary and get deleted when the test completes, we'll want to print
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// the differences on failure.
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// We could invoke `diff` on the files on failure, but that may not be portable (hi, Windows...)
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// so we'll do the job ourselves—potentially a bit sloppily, but that can always be piped into
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// `diff` manually afterwards.
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let book_path = temp.path().join("book");
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let read_file = |path: &str| {
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let mut buf = String::new();
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fs::File::open(book_path.join(path))
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.with_context(|| format!("Failed to read {}", path))
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.unwrap()
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.read_to_string(&mut buf)
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.unwrap();
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buf
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};
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pretty_assertions::assert_eq!(read_file("chapter_1.html"), read_file("index.html"));
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}
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#[test]
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fn theme_dir_overrides_work_correctly() {
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let book_dir = dummy_book::new_copy_of_example_book().unwrap();
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