wip: test delayed write to file in unittests

Signed-off-by: Andrei Gherghescu <[email protected]>

Author: andrei-ng

plotly/src/plot.rs

@@ -485,9 +485,9 @@ impl PartialEq for Plot {
 
 #[cfg(test)]
 mod tests {
-    use std::path::PathBuf;
-
     use serde_json::{json, to_value};
+    use std::path::PathBuf;
+    use std::thread;
 
     use super::*;
     use crate::Scatter;
@@ -499,6 +499,14 @@ mod tests {
         plot
     }
 
+    fn delay_file_check() {
+        #[cfg(target_os = "linux")]
+        let delay = std::time::Duration::from_millis(0);
+        #[cfg(not(target_os = "linux"))]
+        let delay = std::time::Duration::from_millis(100);
+        thread::sleep(delay);
+    }
+
     #[test]
     fn test_inline_plot() {
         let plot = create_test_plot();
@@ -686,26 +694,28 @@ mod tests {
         assert!(!dst.exists());
     }
 
-    #[cfg(not(target_os = "windows"))]
+    // #[cfg(not(target_os = "windows"))]
     #[test]
-    #[ignore] // This seems to fail unpredictably on MacOs.
+    // #[ignore] // This seems to fail unpredictably on MacOs.
     #[cfg(feature = "kaleido")]
     fn test_save_to_eps() {
         let plot = create_test_plot();
         let dst = PathBuf::from("example.eps");
         plot.write_image(&dst, ImageFormat::EPS, 1024, 680, 1.0);
+        delay_file_check();
         assert!(dst.exists());
         assert!(std::fs::remove_file(&dst).is_ok());
         assert!(!dst.exists());
     }
 
-    #[cfg(not(target_os = "windows"))]
+    // #[cfg(not(target_os = "windows"))]
     #[test]
     #[cfg(feature = "kaleido")]
     fn test_save_to_pdf() {
         let plot = create_test_plot();
         let dst = PathBuf::from("example.pdf");
         plot.write_image(&dst, ImageFormat::PDF, 1024, 680, 1.0);
+        delay_file_check();
         assert!(dst.exists());
         assert!(std::fs::remove_file(&dst).is_ok());
         assert!(!dst.exists());

plotly_kaleido/src/lib.rs

@@ -183,9 +183,9 @@ impl Kaleido {
 
 #[cfg(test)]
 mod tests {
-    use std::path::PathBuf;
-
     use serde_json::{json, to_value};
+    use std::path::PathBuf;
+    use std::thread;
 
     use super::*;
 
@@ -218,6 +218,14 @@ mod tests {
         .unwrap()
     }
 
+    fn delay_file_check() {
+        #[cfg(target_os = "linux")]
+        let delay = std::time::Duration::from_millis(0);
+        #[cfg(not(target_os = "linux"))]
+        let delay = std::time::Duration::from_millis(100);
+        thread::sleep(delay);
+    }
+
     #[test]
     fn test_can_find_kaleido_executable() {
         let _k = Kaleido::new();
@@ -238,62 +246,67 @@ mod tests {
         assert_eq!(to_value(kaleido_data).unwrap(), expected);
     }
 
-    #[cfg(not(target_os = "windows"))]
+    // #[cfg(not(target_os = "windows"))]
     #[test]
     fn test_save_png() {
         let test_plot = create_test_plot();
         let k = Kaleido::new();
         let dst = PathBuf::from("example.png");
         let r = k.save(dst.as_path(), &test_plot, "png", 1200, 900, 4.5);
         assert!(r.is_ok());
+        delay_file_check();
         assert!(std::fs::remove_file(dst.as_path()).is_ok());
     }
 
-    #[cfg(not(target_os = "windows"))]
+    // #[cfg(not(target_os = "windows"))]
     #[test]
     fn test_save_jpeg() {
         let test_plot = create_test_plot();
         let k = Kaleido::new();
         let dst = PathBuf::from("example.jpeg");
         let r = k.save(dst.as_path(), &test_plot, "jpeg", 1200, 900, 4.5);
         assert!(r.is_ok());
+        delay_file_check();
         assert!(std::fs::remove_file(dst.as_path()).is_ok());
     }
 
-    #[cfg(not(target_os = "windows"))]
+    // #[cfg(not(target_os = "windows"))]
     #[test]
     fn test_save_webp() {
         let test_plot = create_test_plot();
         let k = Kaleido::new();
         let dst = PathBuf::from("example.webp");
         let r = k.save(dst.as_path(), &test_plot, "webp", 1200, 900, 4.5);
         assert!(r.is_ok());
+        delay_file_check();
         assert!(std::fs::remove_file(dst.as_path()).is_ok());
     }
 
-    #[cfg(not(target_os = "windows"))]
+    // #[cfg(not(target_os = "windows"))]
     #[test]
     fn test_save_svg() {
         let test_plot = create_test_plot();
         let k = Kaleido::new();
         let dst = PathBuf::from("example.svg");
         let r = k.save(dst.as_path(), &test_plot, "svg", 1200, 900, 4.5);
         assert!(r.is_ok());
+        delay_file_check();
         assert!(std::fs::remove_file(dst.as_path()).is_ok());
     }
 
-    #[cfg(not(target_os = "windows"))]
+    // #[cfg(not(target_os = "windows"))]
     #[test]
     fn test_save_pdf() {
         let test_plot = create_test_plot();
         let k = Kaleido::new();
         let dst = PathBuf::from("example.pdf");
         let r = k.save(dst.as_path(), &test_plot, "pdf", 1200, 900, 4.5);
         assert!(r.is_ok());
+        delay_file_check();
         assert!(std::fs::remove_file(dst.as_path()).is_ok());
     }
 
-    #[cfg(not(target_os = "windows"))]
+    // #[cfg(not(target_os = "windows"))]
     #[test]
     #[ignore]
     fn test_save_eps() {
@@ -302,6 +315,7 @@ mod tests {
         let dst = PathBuf::from("example.eps");
         let r = k.save(dst.as_path(), &test_plot, "eps", 1200, 900, 4.5);
         assert!(r.is_ok());
+        delay_file_check();
         assert!(std::fs::remove_file(dst.as_path()).is_ok());
     }
 }