59 lines
1.6 KiB
Rust
59 lines
1.6 KiB
Rust
use crate::domain::MarkdownRenderer;
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use crate::infrastructure::file_repository;
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pub fn render_string(renderer: &dyn MarkdownRenderer, content: &str) -> String {
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renderer.render(content)
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}
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pub fn render_file(renderer: &dyn MarkdownRenderer, path: &str) -> Result<String, String> {
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let content = file_repository::read_file(path)?;
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Ok(renderer.render(&content))
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use std::fs;
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struct MockRenderer;
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impl MarkdownRenderer for MockRenderer {
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fn render(&self, content: &str) -> String {
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format!("<mock>{content}</mock>")
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}
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}
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#[test]
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fn render_string_delegates_to_renderer() {
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let renderer = MockRenderer;
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let result = render_string(&renderer, "hello");
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assert_eq!(result, "<mock>hello</mock>");
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}
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#[test]
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fn render_string_empty_content() {
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let renderer = MockRenderer;
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let result = render_string(&renderer, "");
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assert_eq!(result, "<mock></mock>");
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}
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#[test]
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fn render_file_success() {
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let dir = std::env::temp_dir().join("pena_rs_render_file");
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fs::create_dir_all(&dir).unwrap();
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let file = dir.join("test.md");
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fs::write(&file, "world").unwrap();
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let renderer = MockRenderer;
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let result = render_file(&renderer, file.to_str().unwrap());
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fs::remove_dir_all(&dir).unwrap();
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assert_eq!(result.unwrap(), "<mock>world</mock>");
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}
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#[test]
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fn render_file_not_found() {
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let renderer = MockRenderer;
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let result = render_file(&renderer, "/nonexistent/pena_rs_file.md");
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assert!(result.is_err());
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}
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}
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