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|
mod html;
mod rss;
mod static_files;
mod txt;
use crate::post::Post;
use crate::template::Context;
use std::io::Result;
use std::path::Path;
type Generator = fn(&Path, &Path, &Path, &Context) -> Result<()>;
pub fn generate(
static_directory: &Path,
template_directory: &Path,
output_directory: &Path,
posts: &[Post],
) -> Result<()> {
let generators = available_generators();
let context = Post::to_template_context(posts);
for generator in generators {
generator(
static_directory,
template_directory,
output_directory,
&context,
)?;
}
Ok(())
}
fn available_generators() -> Vec<Generator> {
vec![
static_files::generate,
// These three are actually the same. Can generalize, don't know how in rust yet.
html::generate,
rss::generate,
txt::generate,
]
}
#[cfg(test)]
mod tests {
use std::fs::create_dir_all;
use super::*;
use crate::metadata::Metadata;
use crate::post::Post;
use test_utilities::*;
#[test]
fn test_generates() {
let test_dir = setup_test_dir();
let static_dir = test_dir.join("static");
let template_dir = test_dir.join("templates");
let output_dir = test_dir.join("output");
create_dir_all(&static_dir).expect("Could not create static directory");
create_dir_all(&template_dir).expect("Could not create template directory");
create_dir_all(&output_dir).expect("Could not create output directory");
create_test_file(&static_dir.join("file.txt"), "wow");
create_test_file(
&template_dir.join("index.html"),
"\
{{~ posts:post }}
{{= post.html }}
{{~}}
",
);
create_test_file(
&template_dir.join("feed.xml"),
"\
{{~ posts:post }}
{{= post.id }}
{{~}}
",
);
create_test_file(
&template_dir.join("index.txt"),
"\
{{~ posts:post }}
{{= post.raw }}
{{~}}
",
);
let posts = vec![
Post {
metadata: Metadata {
id: "1736035200000".to_string(),
created_on: 1_736_035_200_000,
},
index: 9,
html: "<p>Generatorial</p>".to_string(),
raw: "electricity generator".to_string(),
},
Post {
metadata: Metadata {
id: "1736045200000".to_string(),
created_on: 1_736_045_200_000,
},
index: 10,
html: "<p>Generation</p>".to_string(),
raw: "kero kero".to_string(),
},
];
generate(&static_dir, &template_dir, &output_dir, &posts).expect("Generate failed");
assert_file_contents(&output_dir.join("file.txt"), "wow");
assert_file_contents(
&output_dir.join("index.html"),
"\
<p>Generatorial</p>
<p>Generation</p>
",
);
assert_file_contents(
&output_dir.join("feed.xml"),
"\
1736035200000
1736045200000
",
);
cleanup_test_dir(&test_dir);
}
#[test]
fn test_fails_if_directories_do_not_exist() {
let test_dir = setup_test_dir();
let static_dir = test_dir.join("static");
let template_dir = test_dir.join("templates");
let output_dir = test_dir.join("output");
let posts = vec![];
let result = generate(&static_dir, &template_dir, &output_dir, &posts);
assert!(result.is_err());
cleanup_test_dir(&test_dir);
}
#[test]
fn test_fails_if_a_generator_fails() {
let test_dir = setup_test_dir();
let static_dir = test_dir.join("static");
let template_dir = test_dir.join("templates");
let output_dir = test_dir.join("output");
create_dir_all(&static_dir).expect("Could not create static directory");
create_dir_all(&template_dir).expect("Could not create template directory");
create_dir_all(&output_dir).expect("Could not create output directory");
create_test_file(&static_dir.join("file.txt"), "wow");
create_test_file(
&template_dir.join("index.html"),
"\
{{~ posts:post }}
{{ post.html }}
{{~}}
",
);
let posts = vec![
Post {
metadata: Metadata {
id: "1736035200000".to_string(),
created_on: 1_736_035_200_000,
},
index: 9,
html: "<p>Generatorial</p>".to_string(),
raw: "electricity generator".to_string(),
},
Post {
metadata: Metadata {
id: "1736045200000".to_string(),
created_on: 1_736_045_200_000,
},
index: 10,
html: "<p>Generation</p>".to_string(),
raw: "kero kero".to_string(),
},
];
let result = generate(&static_dir, &template_dir, &output_dir, &posts);
assert!(result.is_err());
cleanup_test_dir(&test_dir);
}
}
|
