added alias to run tests

Cargo.toml

@@ -3,6 +3,9 @@ name = "mastodon-image-uploader-bot"
 version = "0.2.2"
 edition = "2021"
 
+[alias]
+test = "cargo test -- --test-threads=1"
+
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]

src/main.rs

@@ -269,13 +269,11 @@ mod tests {
 
   use super::*;
   const TMPTESTDIR: &str = "/tmp/botimage";
+  const TEST_URL: &str = "https://2.gravatar.com/avatar/be8eb8426d68e4beb50790647eda6f6b";
 
   #[tokio::test]
   async fn fetch_url_should_fetch() {
-    fetch_url(
-      &"https://2.gravatar.com/avatar/be8eb8426d68e4beb50790647eda6f6b".to_string(),
-      &TMPTESTDIR.to_string(),
-    )
+    fetch_url(&TEST_URL.to_string(), &TMPTESTDIR.to_string())
       .await
       .unwrap();
     std::fs::read(TMPTESTDIR).unwrap();
@@ -310,12 +308,7 @@ mod tests {
     let config = get_config();
     let account = get_account(&config).await;
 
-    let status = post_image(
-      &account,
-      &"https://2.gravatar.com/avatar/be8eb8426d68e4beb50790647eda6f6b".to_string(),
-      &config,
-      Visibility::Direct,
-    )
+    let status = post_image(&account, &TEST_URL.to_string(), &config, Visibility::Direct)
       .await
       .unwrap();
 
@@ -333,4 +326,36 @@ mod tests {
 
     assert_eq!(response.status(), StatusCode::OK)
   }
+
+  #[test]
+  fn set_as_posted_works() {
+    let config = get_config();
+
+    std::fs::write(&config.files.posted, "").unwrap();
+
+    set_url_as_posted(&config, &TEST_URL.to_string()).unwrap();
+    let file = std::fs::read_to_string(&config.files.posted).unwrap();
+    let url = file.lines().next_back().unwrap();
+    assert_eq!(url, TEST_URL)
+  }
+
+  #[test]
+  fn get_next_url_works() {
+    let config = get_config();
+    // Reset file
+    std::fs::write(&config.files.posted, "").unwrap();
+
+    // Get test url
+    let url = get_next_url(&config).unwrap().unwrap();
+    assert_eq!(url, TEST_URL);
+
+    set_url_as_posted(&config, &TEST_URL.to_string()).unwrap();
+    let file = std::fs::read_to_string(&config.files.posted).unwrap();
+    let url = file.lines().next_back().unwrap();
+    assert_eq!(url, TEST_URL);
+
+    // Test that now it does not get it
+    let url = get_next_url(&config).unwrap();
+    assert_eq!(url, None);
+  }
 }