Sharang Parnerkar
1d7aebf37c
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Co-authored-by: Sharang Parnerkar <parnerkarsharang@gmail.com> Reviewed-on: #16
84 lines
2.8 KiB
Rust
84 lines
2.8 KiB
Rust
use serde::{Deserialize, Serialize};
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/// A single news feed card representing an AI-related article.
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///
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/// # Fields
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///
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/// * `title` - Headline of the article
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/// * `source` - Publishing outlet or author
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/// * `summary` - Brief summary text
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/// * `content` - Full content snippet from search results
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/// * `category` - Display label for the search topic (e.g. "AI", "Finance")
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/// * `url` - Link to the full article
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/// * `thumbnail_url` - Optional thumbnail image URL
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/// * `published_at` - ISO 8601 date string
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#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
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pub struct NewsCard {
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pub title: String,
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pub source: String,
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pub summary: String,
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pub content: String,
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pub category: String,
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pub url: String,
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pub thumbnail_url: Option<String>,
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pub published_at: String,
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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 pretty_assertions::assert_eq;
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#[test]
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fn news_card_serde_round_trip() {
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let card = NewsCard {
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title: "AI Breakthrough".into(),
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source: "techcrunch.com".into(),
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summary: "New model released".into(),
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content: "Full article content here".into(),
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category: "AI".into(),
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url: "https://example.com/article".into(),
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thumbnail_url: Some("https://example.com/thumb.jpg".into()),
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published_at: "2025-06-01".into(),
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};
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let json = serde_json::to_string(&card).expect("serialize NewsCard");
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let back: NewsCard = serde_json::from_str(&json).expect("deserialize NewsCard");
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assert_eq!(card, back);
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}
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#[test]
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fn news_card_thumbnail_none() {
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let card = NewsCard {
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title: "No Thumb".into(),
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source: "bbc.com".into(),
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summary: "Summary".into(),
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content: "Content".into(),
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category: "Tech".into(),
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url: "https://bbc.com/article".into(),
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thumbnail_url: None,
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published_at: "2025-06-01".into(),
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};
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let json = serde_json::to_string(&card).expect("serialize");
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let back: NewsCard = serde_json::from_str(&json).expect("deserialize");
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assert_eq!(card, back);
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}
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#[test]
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fn news_card_thumbnail_some() {
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let card = NewsCard {
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title: "With Thumb".into(),
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source: "cnn.com".into(),
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summary: "Summary".into(),
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content: "Content".into(),
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category: "News".into(),
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url: "https://cnn.com/article".into(),
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thumbnail_url: Some("https://cnn.com/img.jpg".into()),
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published_at: "2025-06-01".into(),
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};
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let json = serde_json::to_string(&card).expect("serialize");
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assert!(json.contains("img.jpg"));
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let back: NewsCard = serde_json::from_str(&json).expect("deserialize");
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assert_eq!(card.thumbnail_url, back.thumbnail_url);
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}
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}
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