zola/components/library/src/content/page.rs
Vincent Prouillet 5844047435 Update slotmap
2019-09-16 11:44:39 +02:00

790 lines
28 KiB
Rust

/// A page, can be a blog post or a basic page
use std::collections::HashMap;
use std::path::{Path, PathBuf};
use regex::Regex;
use slotmap::DefaultKey;
use slug::slugify;
use tera::{Context as TeraContext, Tera};
use config::Config;
use errors::{Error, Result};
use front_matter::{split_page_content, InsertAnchor, PageFrontMatter};
use library::Library;
use rendering::{render_content, Heading, RenderContext};
use utils::fs::{find_related_assets, read_file};
use utils::site::get_reading_analytics;
use utils::templates::render_template;
use content::file_info::FileInfo;
use content::has_anchor;
use content::ser::SerializingPage;
lazy_static! {
// Based on https://regex101.com/r/H2n38Z/1/tests
// A regex parsing RFC3339 date followed by {_,-}, some characters and ended by .md
static ref RFC3339_DATE: Regex = Regex::new(
r"^(?P<datetime>(\d{4})-(0[1-9]|1[0-2])-(0[1-9]|[12][0-9]|3[01])(T([01][0-9]|2[0-3]):([0-5][0-9]):([0-5][0-9]|60)(\.[0-9]+)?(Z|(\+|-)([01][0-9]|2[0-3]):([0-5][0-9])))?)(_|-)(?P<slug>.+$)"
).unwrap();
}
#[derive(Clone, Debug, PartialEq)]
pub struct Page {
/// All info about the actual file
pub file: FileInfo,
/// The front matter meta-data
pub meta: PageFrontMatter,
/// The list of parent sections
pub ancestors: Vec<DefaultKey>,
/// The actual content of the page, in markdown
pub raw_content: String,
/// All the non-md files we found next to the .md file
pub assets: Vec<PathBuf>,
/// All the non-md files we found next to the .md file as string for use in templates
pub serialized_assets: Vec<String>,
/// The HTML rendered of the page
pub content: String,
/// The slug of that page.
/// First tries to find the slug in the meta and defaults to filename otherwise
pub slug: String,
/// The URL path of the page
pub path: String,
/// The components of the path of the page
pub components: Vec<String>,
/// The full URL for that page
pub permalink: String,
/// The summary for the article, defaults to None
/// When <!-- more --> is found in the text, will take the content up to that part
/// as summary
pub summary: Option<String>,
/// The earlier page, for pages sorted by date
pub earlier: Option<DefaultKey>,
/// The later page, for pages sorted by date
pub later: Option<DefaultKey>,
/// The lighter page, for pages sorted by weight
pub lighter: Option<DefaultKey>,
/// The heavier page, for pages sorted by weight
pub heavier: Option<DefaultKey>,
/// Toc made from the headings of the markdown file
pub toc: Vec<Heading>,
/// How many words in the raw content
pub word_count: Option<usize>,
/// How long would it take to read the raw content.
/// See `get_reading_analytics` on how it is calculated
pub reading_time: Option<usize>,
/// The language of that page. Equal to the default lang if the user doesn't setup `languages` in config.
/// Corresponds to the lang in the {slug}.{lang}.md file scheme
pub lang: String,
/// Contains all the translated version of that page
pub translations: Vec<DefaultKey>,
/// Contains the internal links that have an anchor: we can only check the anchor
/// after all pages have been built and their ToC compiled. The page itself should exist otherwise
/// it would have errored before getting there
/// (path to markdown, anchor value)
pub internal_links_with_anchors: Vec<(String, String)>,
/// Contains the external links that need to be checked
pub external_links: Vec<String>,
}
impl Page {
pub fn new<P: AsRef<Path>>(file_path: P, meta: PageFrontMatter, base_path: &PathBuf) -> Page {
let file_path = file_path.as_ref();
Page {
file: FileInfo::new_page(file_path, base_path),
meta,
ancestors: vec![],
raw_content: "".to_string(),
assets: vec![],
serialized_assets: vec![],
content: "".to_string(),
slug: "".to_string(),
path: "".to_string(),
components: vec![],
permalink: "".to_string(),
summary: None,
earlier: None,
later: None,
lighter: None,
heavier: None,
toc: vec![],
word_count: None,
reading_time: None,
lang: String::new(),
translations: Vec::new(),
internal_links_with_anchors: Vec::new(),
external_links: Vec::new(),
}
}
pub fn is_draft(&self) -> bool {
self.meta.draft
}
/// Parse a page given the content of the .md file
/// Files without front matter or with invalid front matter are considered
/// erroneous
pub fn parse(
file_path: &Path,
content: &str,
config: &Config,
base_path: &PathBuf,
) -> Result<Page> {
let (meta, content) = split_page_content(file_path, content)?;
let mut page = Page::new(file_path, meta, base_path);
page.lang = page.file.find_language(config)?;
page.raw_content = content;
let (word_count, reading_time) = get_reading_analytics(&page.raw_content);
page.word_count = Some(word_count);
page.reading_time = Some(reading_time);
let mut slug_from_dated_filename = None;
let file_path = if page.file.name == "index" {
if let Some(parent) = page.file.path.parent() {
parent.file_name().unwrap().to_str().unwrap().to_string()
} else {
page.file.name.replace(".md", "")
}
} else {
page.file.name.replace(".md", "")
};
if let Some(ref caps) = RFC3339_DATE.captures(&file_path) {
slug_from_dated_filename = Some(caps.name("slug").unwrap().as_str().to_string());
if page.meta.date.is_none() {
page.meta.date = Some(caps.name("datetime").unwrap().as_str().to_string());
page.meta.date_to_datetime();
}
}
page.slug = {
if let Some(ref slug) = page.meta.slug {
slugify(&slug.trim())
} else if page.file.name == "index" {
if let Some(parent) = page.file.path.parent() {
if let Some(slug) = slug_from_dated_filename {
slugify(&slug)
} else {
slugify(parent.file_name().unwrap().to_str().unwrap())
}
} else {
slugify(&page.file.name)
}
} else if let Some(slug) = slug_from_dated_filename {
slugify(&slug)
} else {
slugify(&page.file.name)
}
};
if let Some(ref p) = page.meta.path {
page.path = p.trim().trim_start_matches('/').to_string();
} else {
let mut path = if page.file.components.is_empty() {
page.slug.clone()
} else {
format!("{}/{}", page.file.components.join("/"), page.slug)
};
if page.lang != config.default_language {
path = format!("{}/{}", page.lang, path);
}
page.path = path;
}
if !page.path.ends_with('/') {
page.path = format!("{}/", page.path);
}
page.components = page
.path
.split('/')
.map(|p| p.to_string())
.filter(|p| !p.is_empty())
.collect::<Vec<_>>();
page.permalink = config.make_permalink(&page.path);
Ok(page)
}
/// Read and parse a .md file into a Page struct
pub fn from_file<P: AsRef<Path>>(
path: P,
config: &Config,
base_path: &PathBuf,
) -> Result<Page> {
let path = path.as_ref();
let content = read_file(path)?;
let mut page = Page::parse(path, &content, config, base_path)?;
if page.file.name == "index" {
let parent_dir = path.parent().unwrap();
let assets = find_related_assets(parent_dir);
if let Some(ref globset) = config.ignored_content_globset {
// `find_related_assets` only scans the immediate directory (it is not recursive) so our
// filtering only needs to work against the file_name component, not the full suffix. If
// `find_related_assets` was changed to also return files in subdirectories, we could
// use `PathBuf.strip_prefix` to remove the parent directory and then glob-filter
// against the remaining path. Note that the current behaviour effectively means that
// the `ignored_content` setting in the config file is limited to single-file glob
// patterns (no "**" patterns).
page.assets = assets
.into_iter()
.filter(|path| match path.file_name() {
None => true,
Some(file) => !globset.is_match(file),
})
.collect();
} else {
page.assets = assets;
}
page.serialized_assets = page.serialize_assets(&base_path);
} else {
page.assets = vec![];
}
Ok(page)
}
/// We need access to all pages url to render links relative to content
/// so that can't happen at the same time as parsing
pub fn render_markdown(
&mut self,
permalinks: &HashMap<String, String>,
tera: &Tera,
config: &Config,
anchor_insert: InsertAnchor,
) -> Result<()> {
let mut context =
RenderContext::new(tera, config, &self.permalink, permalinks, anchor_insert);
context.tera_context.insert("page", &SerializingPage::from_page_basic(self, None));
let res = render_content(&self.raw_content, &context).map_err(|e| {
Error::chain(format!("Failed to render content of {}", self.file.path.display()), e)
})?;
self.summary = res.summary_len.map(|l| res.body[0..l].to_owned());
self.content = res.body;
self.toc = res.toc;
self.external_links = res.external_links;
self.internal_links_with_anchors = res.internal_links_with_anchors;
Ok(())
}
/// Renders the page using the default layout, unless specified in front-matter
pub fn render_html(&self, tera: &Tera, config: &Config, library: &Library) -> Result<String> {
let tpl_name = match self.meta.template {
Some(ref l) => l,
None => "page.html",
};
let mut context = TeraContext::new();
context.insert("config", config);
context.insert("current_url", &self.permalink);
context.insert("current_path", &self.path);
context.insert("page", &self.to_serialized(library));
context.insert("lang", &self.lang);
context.insert("toc", &self.toc);
render_template(&tpl_name, tera, context, &config.theme).map_err(|e| {
Error::chain(format!("Failed to render page '{}'", self.file.path.display()), e)
})
}
/// Creates a vectors of asset URLs.
fn serialize_assets(&self, base_path: &PathBuf) -> Vec<String> {
self.assets
.iter()
.filter_map(|asset| asset.file_name())
.filter_map(|filename| filename.to_str())
.map(|filename| {
let mut path = self.file.path.clone();
// Popping the index.md from the path since file.parent would be one level too high
// for our need here
path.pop();
path.push(filename);
path = path
.strip_prefix(&base_path.join("content"))
.expect("Should be able to stripe prefix")
.to_path_buf();
path
})
.map(|path| path.to_string_lossy().to_string())
.collect()
}
pub fn has_anchor(&self, anchor: &str) -> bool {
has_anchor(&self.toc, anchor)
}
pub fn to_serialized<'a>(&'a self, library: &'a Library) -> SerializingPage<'a> {
SerializingPage::from_page(self, library)
}
pub fn to_serialized_basic<'a>(&'a self, library: &'a Library) -> SerializingPage<'a> {
SerializingPage::from_page_basic(self, Some(library))
}
}
impl Default for Page {
fn default() -> Page {
Page {
file: FileInfo::default(),
meta: PageFrontMatter::default(),
ancestors: vec![],
raw_content: "".to_string(),
assets: vec![],
serialized_assets: vec![],
content: "".to_string(),
slug: "".to_string(),
path: "".to_string(),
components: vec![],
permalink: "".to_string(),
summary: None,
earlier: None,
later: None,
lighter: None,
heavier: None,
toc: vec![],
word_count: None,
reading_time: None,
lang: String::new(),
translations: Vec::new(),
internal_links_with_anchors: Vec::new(),
external_links: Vec::new(),
}
}
}
#[cfg(test)]
mod tests {
use std::collections::HashMap;
use std::fs::{create_dir, File};
use std::io::Write;
use std::path::{Path, PathBuf};
use globset::{Glob, GlobSetBuilder};
use tempfile::tempdir;
use tera::Tera;
use super::Page;
use config::{Config, Language};
use front_matter::InsertAnchor;
#[test]
fn test_can_parse_a_valid_page() {
let content = r#"
+++
title = "Hello"
description = "hey there"
slug = "hello-world"
+++
Hello world"#;
let res = Page::parse(Path::new("post.md"), content, &Config::default(), &PathBuf::new());
assert!(res.is_ok());
let mut page = res.unwrap();
page.render_markdown(
&HashMap::default(),
&Tera::default(),
&Config::default(),
InsertAnchor::None,
)
.unwrap();
assert_eq!(page.meta.title.unwrap(), "Hello".to_string());
assert_eq!(page.meta.slug.unwrap(), "hello-world".to_string());
assert_eq!(page.raw_content, "Hello world".to_string());
assert_eq!(page.content, "<p>Hello world</p>\n".to_string());
}
#[test]
fn test_can_make_url_from_sections_and_slug() {
let content = r#"
+++
slug = "hello-world"
+++
Hello world"#;
let mut conf = Config::default();
conf.base_url = "http://hello.com/".to_string();
let res =
Page::parse(Path::new("content/posts/intro/start.md"), content, &conf, &PathBuf::new());
assert!(res.is_ok());
let page = res.unwrap();
assert_eq!(page.path, "posts/intro/hello-world/");
assert_eq!(page.components, vec!["posts", "intro", "hello-world"]);
assert_eq!(page.permalink, "http://hello.com/posts/intro/hello-world/");
}
#[test]
fn can_make_url_from_slug_only() {
let content = r#"
+++
slug = "hello-world"
+++
Hello world"#;
let config = Config::default();
let res = Page::parse(Path::new("start.md"), content, &config, &PathBuf::new());
assert!(res.is_ok());
let page = res.unwrap();
assert_eq!(page.path, "hello-world/");
assert_eq!(page.components, vec!["hello-world"]);
assert_eq!(page.permalink, config.make_permalink("hello-world"));
}
#[test]
fn can_make_url_from_slug_only_with_no_special_chars() {
let content = r#"
+++
slug = "hello-&-world"
+++
Hello world"#;
let config = Config::default();
let res = Page::parse(Path::new("start.md"), content, &config, &PathBuf::new());
assert!(res.is_ok());
let page = res.unwrap();
assert_eq!(page.path, "hello-world/");
assert_eq!(page.components, vec!["hello-world"]);
assert_eq!(page.permalink, config.make_permalink("hello-world"));
}
#[test]
fn can_make_url_from_path() {
let content = r#"
+++
path = "hello-world"
+++
Hello world"#;
let config = Config::default();
let res = Page::parse(
Path::new("content/posts/intro/start.md"),
content,
&config,
&PathBuf::new(),
);
assert!(res.is_ok());
let page = res.unwrap();
assert_eq!(page.path, "hello-world/");
assert_eq!(page.components, vec!["hello-world"]);
assert_eq!(page.permalink, config.make_permalink("hello-world"));
}
#[test]
fn can_make_url_from_path_starting_slash() {
let content = r#"
+++
path = "/hello-world"
+++
Hello world"#;
let config = Config::default();
let res = Page::parse(
Path::new("content/posts/intro/start.md"),
content,
&config,
&PathBuf::new(),
);
assert!(res.is_ok());
let page = res.unwrap();
assert_eq!(page.path, "hello-world/");
assert_eq!(page.permalink, config.make_permalink("hello-world"));
}
#[test]
fn errors_on_invalid_front_matter_format() {
// missing starting +++
let content = r#"
title = "Hello"
description = "hey there"
slug = "hello-world"
+++
Hello world"#;
let res = Page::parse(Path::new("start.md"), content, &Config::default(), &PathBuf::new());
assert!(res.is_err());
}
#[test]
fn can_make_slug_from_non_slug_filename() {
let config = Config::default();
let res =
Page::parse(Path::new(" file with space.md"), "+++\n+++", &config, &PathBuf::new());
assert!(res.is_ok());
let page = res.unwrap();
assert_eq!(page.slug, "file-with-space");
assert_eq!(page.permalink, config.make_permalink(&page.slug));
}
#[test]
fn can_specify_summary() {
let config = Config::default();
let content = r#"
+++
+++
Hello world
<!-- more -->"#
.to_string();
let res = Page::parse(Path::new("hello.md"), &content, &config, &PathBuf::new());
assert!(res.is_ok());
let mut page = res.unwrap();
page.render_markdown(&HashMap::default(), &Tera::default(), &config, InsertAnchor::None)
.unwrap();
assert_eq!(page.summary, Some("<p>Hello world</p>\n".to_string()));
}
#[test]
fn page_with_assets_gets_right_info() {
let tmp_dir = tempdir().expect("create temp dir");
let path = tmp_dir.path();
create_dir(&path.join("content")).expect("create content temp dir");
create_dir(&path.join("content").join("posts")).expect("create posts temp dir");
let nested_path = path.join("content").join("posts").join("with-assets");
create_dir(&nested_path).expect("create nested temp dir");
let mut f = File::create(nested_path.join("index.md")).unwrap();
f.write_all(b"+++\n+++\n").unwrap();
File::create(nested_path.join("example.js")).unwrap();
File::create(nested_path.join("graph.jpg")).unwrap();
File::create(nested_path.join("fail.png")).unwrap();
let res = Page::from_file(
nested_path.join("index.md").as_path(),
&Config::default(),
&path.to_path_buf(),
);
assert!(res.is_ok());
let page = res.unwrap();
assert_eq!(page.file.parent, path.join("content").join("posts"));
assert_eq!(page.slug, "with-assets");
assert_eq!(page.assets.len(), 3);
assert_eq!(page.permalink, "http://a-website.com/posts/with-assets/");
}
#[test]
fn page_with_assets_and_slug_overrides_path() {
let tmp_dir = tempdir().expect("create temp dir");
let path = tmp_dir.path();
create_dir(&path.join("content")).expect("create content temp dir");
create_dir(&path.join("content").join("posts")).expect("create posts temp dir");
let nested_path = path.join("content").join("posts").join("with-assets");
create_dir(&nested_path).expect("create nested temp dir");
let mut f = File::create(nested_path.join("index.md")).unwrap();
f.write_all(b"+++\nslug=\"hey\"\n+++\n").unwrap();
File::create(nested_path.join("example.js")).unwrap();
File::create(nested_path.join("graph.jpg")).unwrap();
File::create(nested_path.join("fail.png")).unwrap();
let res = Page::from_file(
nested_path.join("index.md").as_path(),
&Config::default(),
&path.to_path_buf(),
);
assert!(res.is_ok());
let page = res.unwrap();
assert_eq!(page.file.parent, path.join("content").join("posts"));
assert_eq!(page.slug, "hey");
assert_eq!(page.assets.len(), 3);
assert_eq!(page.permalink, "http://a-website.com/posts/hey/");
}
// https://github.com/getzola/zola/issues/674
#[test]
fn page_with_assets_uses_filepath_for_assets() {
let tmp_dir = tempdir().expect("create temp dir");
let path = tmp_dir.path();
create_dir(&path.join("content")).expect("create content temp dir");
create_dir(&path.join("content").join("posts")).expect("create posts temp dir");
let nested_path = path.join("content").join("posts").join("with_assets");
create_dir(&nested_path).expect("create nested temp dir");
let mut f = File::create(nested_path.join("index.md")).unwrap();
f.write_all(b"+++\n+++\n").unwrap();
File::create(nested_path.join("example.js")).unwrap();
File::create(nested_path.join("graph.jpg")).unwrap();
File::create(nested_path.join("fail.png")).unwrap();
let res = Page::from_file(
nested_path.join("index.md").as_path(),
&Config::default(),
&path.to_path_buf(),
);
assert!(res.is_ok());
let page = res.unwrap();
assert_eq!(page.file.parent, path.join("content").join("posts"));
assert_eq!(page.assets.len(), 3);
assert_eq!(page.serialized_assets.len(), 3);
// We should not get with-assets since that's the slugified version
assert!(page.serialized_assets[0].contains("with_assets"));
assert_eq!(page.permalink, "http://a-website.com/posts/with-assets/");
}
// https://github.com/getzola/zola/issues/607
#[test]
fn page_with_assets_and_date_in_folder_name() {
let tmp_dir = tempdir().expect("create temp dir");
let path = tmp_dir.path();
create_dir(&path.join("content")).expect("create content temp dir");
create_dir(&path.join("content").join("posts")).expect("create posts temp dir");
let nested_path = path.join("content").join("posts").join("2013-06-02_with-assets");
create_dir(&nested_path).expect("create nested temp dir");
let mut f = File::create(nested_path.join("index.md")).unwrap();
f.write_all(b"+++\n\n+++\n").unwrap();
File::create(nested_path.join("example.js")).unwrap();
File::create(nested_path.join("graph.jpg")).unwrap();
File::create(nested_path.join("fail.png")).unwrap();
let res = Page::from_file(
nested_path.join("index.md").as_path(),
&Config::default(),
&path.to_path_buf(),
);
assert!(res.is_ok());
let page = res.unwrap();
assert_eq!(page.file.parent, path.join("content").join("posts"));
assert_eq!(page.slug, "with-assets");
assert_eq!(page.meta.date, Some("2013-06-02".to_string()));
assert_eq!(page.assets.len(), 3);
assert_eq!(page.permalink, "http://a-website.com/posts/with-assets/");
}
#[test]
fn page_with_ignored_assets_filters_out_correct_files() {
let tmp_dir = tempdir().expect("create temp dir");
let path = tmp_dir.path();
create_dir(&path.join("content")).expect("create content temp dir");
create_dir(&path.join("content").join("posts")).expect("create posts temp dir");
let nested_path = path.join("content").join("posts").join("with-assets");
create_dir(&nested_path).expect("create nested temp dir");
let mut f = File::create(nested_path.join("index.md")).unwrap();
f.write_all(b"+++\nslug=\"hey\"\n+++\n").unwrap();
File::create(nested_path.join("example.js")).unwrap();
File::create(nested_path.join("graph.jpg")).unwrap();
File::create(nested_path.join("fail.png")).unwrap();
let mut gsb = GlobSetBuilder::new();
gsb.add(Glob::new("*.{js,png}").unwrap());
let mut config = Config::default();
config.ignored_content_globset = Some(gsb.build().unwrap());
let res =
Page::from_file(nested_path.join("index.md").as_path(), &config, &path.to_path_buf());
assert!(res.is_ok());
let page = res.unwrap();
assert_eq!(page.assets.len(), 1);
assert_eq!(page.assets[0].file_name().unwrap().to_str(), Some("graph.jpg"));
}
#[test]
fn can_get_date_from_short_date_in_filename() {
let config = Config::default();
let content = r#"
+++
+++
Hello world
<!-- more -->"#
.to_string();
let res = Page::parse(Path::new("2018-10-08_hello.md"), &content, &config, &PathBuf::new());
assert!(res.is_ok());
let page = res.unwrap();
assert_eq!(page.meta.date, Some("2018-10-08".to_string()));
assert_eq!(page.slug, "hello");
}
#[test]
fn can_get_date_from_full_rfc3339_date_in_filename() {
let config = Config::default();
let content = r#"
+++
+++
Hello world
<!-- more -->"#
.to_string();
let res = Page::parse(
Path::new("2018-10-02T15:00:00Z-hello.md"),
&content,
&config,
&PathBuf::new(),
);
assert!(res.is_ok());
let page = res.unwrap();
assert_eq!(page.meta.date, Some("2018-10-02T15:00:00Z".to_string()));
assert_eq!(page.slug, "hello");
}
#[test]
fn frontmatter_date_override_filename_date() {
let config = Config::default();
let content = r#"
+++
date = 2018-09-09
+++
Hello world
<!-- more -->"#
.to_string();
let res = Page::parse(Path::new("2018-10-08_hello.md"), &content, &config, &PathBuf::new());
assert!(res.is_ok());
let page = res.unwrap();
assert_eq!(page.meta.date, Some("2018-09-09".to_string()));
assert_eq!(page.slug, "hello");
}
#[test]
fn can_specify_language_in_filename() {
let mut config = Config::default();
config.languages.push(Language { code: String::from("fr"), rss: false, search: false });
let content = r#"
+++
+++
Bonjour le monde"#
.to_string();
let res = Page::parse(Path::new("hello.fr.md"), &content, &config, &PathBuf::new());
assert!(res.is_ok());
let page = res.unwrap();
assert_eq!(page.lang, "fr".to_string());
assert_eq!(page.slug, "hello");
assert_eq!(page.permalink, "http://a-website.com/fr/hello/");
}
#[test]
fn can_specify_language_in_filename_with_date() {
let mut config = Config::default();
config.languages.push(Language { code: String::from("fr"), rss: false, search: false });
let content = r#"
+++
+++
Bonjour le monde"#
.to_string();
let res =
Page::parse(Path::new("2018-10-08_hello.fr.md"), &content, &config, &PathBuf::new());
assert!(res.is_ok());
let page = res.unwrap();
assert_eq!(page.meta.date, Some("2018-10-08".to_string()));
assert_eq!(page.lang, "fr".to_string());
assert_eq!(page.slug, "hello");
assert_eq!(page.permalink, "http://a-website.com/fr/hello/");
}
#[test]
fn i18n_frontmatter_path_overrides_default_permalink() {
let mut config = Config::default();
config.languages.push(Language { code: String::from("fr"), rss: false, search: false });
let content = r#"
+++
path = "bonjour"
+++
Bonjour le monde"#
.to_string();
let res = Page::parse(Path::new("hello.fr.md"), &content, &config, &PathBuf::new());
assert!(res.is_ok());
let page = res.unwrap();
assert_eq!(page.lang, "fr".to_string());
assert_eq!(page.slug, "hello");
assert_eq!(page.permalink, "http://a-website.com/bonjour/");
}
}