fix integration tests

Author: wasm-forge

src/test/integration_tests.rs

@@ -296,7 +296,8 @@ fn list_folders_after_upgrade() {
 fn create_1000_files() {
     let pic = setup_initial_canister();
 
-    let file_count = 20;
+    // TODO: create more files
+    let file_count = 250;
     let path1 = "files1";
     let path2 = "files2//";
     let path3 = "files3";
@@ -329,7 +330,7 @@ fn long_paths_and_file_names() {
 
     let file_count = 20;
 
-    // wasi max path length limit is 512 bytes, have to reduce test limits accordingly
+    // Wasi max path length limit is 512 bytes, have to reduce test limits accordingly
     let long_name = "1234567890ABCD7890ABCDEFABCDEF1234567890ABCDE";
     let long_name2 = "1234567890ABCFABCDEF12345678904567890ABCDEFä";
     let long_name3 = "1234567890ABC34567890ABCDEF💖567890ABCDEFA💖";

test/canisters/canister_initial/src/canister_initial_backend/src/lib.rs

@@ -456,8 +456,6 @@ fn append_text(filename: String, text: String, times: usize) -> u64 {
 
     let mut f = BufWriter::new(file);
 
-    f.seek(std::io::SeekFrom::End(0)).unwrap();
-
     for _ in 0..times {
         f.write_all(text.as_bytes()).expect("Unable to write data");
     }
@@ -470,7 +468,11 @@ fn append_text(filename: String, text: String, times: usize) -> u64 {
 
 #[ic_cdk::query]
 fn read_text(filename: String, offset: i64, size: usize) -> String {
-    let mut f = OpenOptions::new().write(false).open(filename).unwrap();
+    let mut f = OpenOptions::new()
+        .read(true)
+        .write(false)
+        .open(filename)
+        .unwrap();
 
     f.seek(std::io::SeekFrom::Start(offset as u64)).unwrap();
 

test/canisters/canister_upgraded/src/canister_upgraded_backend/src/lib.rs

@@ -456,8 +456,6 @@ fn append_text(filename: String, text: String, times: usize) -> u64 {
 
     let mut f = BufWriter::new(file);
 
-    f.seek(std::io::SeekFrom::End(0)).unwrap();
-
     for _ in 0..times {
         f.write_all(text.as_bytes()).expect("Unable to write data");
     }
@@ -470,7 +468,11 @@ fn append_text(filename: String, text: String, times: usize) -> u64 {
 
 #[ic_cdk::query]
 fn read_text(filename: String, offset: i64, size: usize) -> String {
-    let mut f = OpenOptions::new().write(false).open(filename).unwrap();
+    let mut f = OpenOptions::new()
+        .read(true)
+        .write(false)
+        .open(filename)
+        .unwrap();
 
     f.seek(std::io::SeekFrom::Start(offset as u64)).unwrap();