[wip] unit testing

- minor refactoring

Cargo.lock

@@ -79,6 +79,15 @@ version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7c02d123df017efcdfbd739ef81735b36c5ba83ec3c59c80a9d7ecc718f92e50"
 
+[[package]]
+name = "atomic"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a89cbf775b137e9b968e67227ef7f775587cde3fd31b0d8599dbd0f598a48340"
+dependencies = [
+ "bytemuck",
+]
+
 [[package]]
 name = "base64"
 version = "0.22.1"
@@ -108,6 +117,12 @@ version = "3.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1628fb46dfa0b37568d12e5edd512553eccf6a22a78e8bde00bb4aed84d5bdbf"
 
+[[package]]
+name = "bytemuck"
+version = "1.23.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c76a5792e44e4abe34d3abf15636779261d45a7450612059293d1d2cfc63422"
+
 [[package]]
 name = "bytes"
 version = "1.10.1"
@@ -874,6 +889,12 @@ dependencies = [
  "untrusted",
 ]
 
+[[package]]
+name = "rustversion"
+version = "1.0.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8a0d197bd2c9dc6e53b84da9556a69ba4cdfab8619eb41a8bd1cc2027a0f6b1d"
+
 [[package]]
 name = "ryu"
 version = "1.0.20"
@@ -944,6 +965,7 @@ dependencies = [
  "tempfile",
  "thiserror 2.0.12",
  "ureq",
+ "uuid",
 ]
 
 [[package]]
@@ -1166,6 +1188,18 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
+[[package]]
+name = "uuid"
+version = "1.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3cf4199d1e5d15ddd86a694e4d0dffa9c323ce759fea589f00fef9d81cc1931d"
+dependencies = [
+ "atomic",
+ "getrandom 0.3.3",
+ "js-sys",
+ "wasm-bindgen",
+]
+
 [[package]]
 name = "version_check"
 version = "0.9.5"
@@ -1195,6 +1229,7 @@ checksum = "1edc8929d7499fc4e8f0be2262a241556cfc54a0bea223790e71446f2aab1ef5"
 dependencies = [
  "cfg-if",
  "once_cell",
+ "rustversion",
  "wasm-bindgen-macro",
 ]
 

Cargo.toml

@@ -23,6 +23,7 @@ ureq = { version = "3.0.11", features = ["json"] }
 
 [dev-dependencies]
 tempfile = "3.20.0"
+uuid = { version = "1.17.0", features = ["rng", "std", "v1"] }
 
 [profile.release]
 # Optimize for speed even more aggressively

src/error.rs

@@ -154,3 +154,13 @@ impl Error {
         }
     }
 }
+
+#[macro_export]
+macro_rules! error_response {
+    // Match a format string plus optional arguments
+    ($fmt:expr $(, $arg:expr )* $(,)?) => {
+        // Expand to constructing the Error::Response variant,
+        // wrapping a `format!(...)` call
+        Error::Response(format!($fmt $(, $arg )*))
+    };
+}

src/file/checked.rs

@@ -115,12 +115,10 @@ impl FileTrait for Checked {
 
 #[cfg(test)]
 mod tests {
-    // tests for `Checked::start_upload` omitted, as they require a `sharry::Client`
-
     use tempfile::TempDir;
 
     use crate::test_util::{
-        create_file,
+        MockClient, create_file,
         data::{HASHES_STD_GOOD, cases, data},
     };
 
@@ -204,4 +202,25 @@ mod tests {
             assert!(err.is_mismatch("unhashed file", chk.path.display().to_string()));
         }
     }
+
+    #[test]
+    fn start_upload_works() {
+        let client = MockClient::default();
+        let share_id = client.add_share();
+
+        for content in data() {
+            let file = create_file(content);
+            let chk = Checked::new(file.path()).expect("creating `Checked` should succeed");
+
+            assert!(
+                chk.start_upload(
+                    &client,
+                    &sharry::Uri::from(true),
+                    &sharry::AliasID::from(true),
+                    &share_id
+                )
+                .is_ok()
+            );
+        }
+    }
 }

src/file/chunk.rs

@@ -76,7 +76,10 @@ mod tests {
             );
             check_trait(format!("{chunk:?}"), repr_expect, "Debug", "Chunk");
 
-            assert_eq!(chunk.get_file_id().to_string(), "");
+            assert_eq!(
+                chunk.get_file_id().to_string(),
+                sharry::FileID::default().to_string()
+            );
             assert_eq!(chunk.get_offset(), mock_offset);
             assert_eq!(chunk.get_data(), data);
             assert_eq!(chunk.get_length(), len);

src/test_util/mock_client.rs

@@ -4,14 +4,14 @@ use std::{
 };
 
 use crate::{
-    Error, Result,
+    Error, Result, error_response,
     file::{self, FileTrait},
     sharry::{AliasID, Client, FileID, ShareID, Uri, json},
 };
 
 use super::mock_ids::CheckID;
 
-#[derive(Debug)]
+#[derive(Debug, Default)]
 pub struct MockClient {
     shares: RefCell<HashMap<String, MockShare>>,
 }
@@ -23,82 +23,84 @@ struct MockShare {
 
 #[derive(Debug)]
 struct MockFile {
-    name: String,
     size: u64,
     offset: u64,
 }
 
+impl From<&file::Checked> for MockFile {
+    fn from(value: &file::Checked) -> Self {
+        Self {
+            size: value.get_size(),
+            offset: 0,
+        }
+    }
+}
+
 impl MockClient {
-    fn insert_share(&self, share_id: &ShareID) -> Result<()> {
+    fn insert_share(&self, share_id: &ShareID, share: MockShare) -> Result<()> {
         let mut shares = self.shares.borrow_mut();
 
         let Entry::Vacant(entry) = shares.entry(share_id.to_string()) else {
-            return Err(Error::response(format_args!(
-                "Can't create share {share_id:?}!"
-            )));
+            return Err(error_response!("can't insert share {share_id:?}!"));
         };
 
-        entry.insert(MockShare::default());
+        entry.insert(share);
 
         Ok(())
     }
 
-    fn insert_file(
-        &self,
-        share_id: &ShareID,
-        file_id: &FileID,
-        name: String,
-        size: u64,
-    ) -> Result<()> {
-        let mut share = self.get_share_mut(share_id)?;
+    fn insert_file(&self, share_id: &ShareID, file_id: &FileID, file: MockFile) -> Result<()> {
+        let mut share = self.get_share(share_id)?;
 
         let Entry::Vacant(entry) = share.files.entry(file_id.to_string()) else {
-            return Err(Error::response(format_args!(
-                "Can't create file {file_id:?}!"
-            )));
+            return Err(error_response!("can't insert file {file_id:?}!"));
         };
 
-        entry.insert(MockFile {
-            name,
-            size,
-            offset: 0,
-        });
+        entry.insert(file);
 
         Ok(())
     }
 
-    fn get_share_mut<'t>(&'t self, share_id: &ShareID) -> Result<RefMut<'t, MockShare>> {
+    fn get_share<'t>(&'t self, share_id: &ShareID) -> Result<RefMut<'t, MockShare>> {
         let share_id = &share_id.to_string();
         let shares = self.shares.borrow_mut();
 
+        // check share exists
         shares
             .get(share_id)
-            .ok_or_else(|| Error::response(format_args!("Can't find share {share_id:?}!")))?;
+            .ok_or_else(|| error_response!("can't find share {share_id:?}!"))?;
 
-        // share exists
         Ok(RefMut::map(shares, |shares| {
             shares.get_mut(share_id).expect("checked but None!")
         }))
     }
 
-    fn get_file_mut<'t>(
+    fn get_file<'t>(
         &'t self,
         share_id: &ShareID,
         file_id: &FileID,
     ) -> Result<RefMut<'t, MockFile>> {
         let file_id = &file_id.to_string();
-        let share = self.get_share_mut(share_id)?;
+        let share = self.get_share(share_id)?;
 
+        // check file exists
         share
             .files
             .get(file_id)
-            .ok_or_else(|| Error::response(format_args!("Can't find file {file_id:?}!")))?;
+            .ok_or_else(|| error_response!("can't find file {file_id:?}!"))?;
 
-        // file exists
         Ok(RefMut::map(share, move |share| {
             share.files.get_mut(file_id).expect("checked but None!")
         }))
     }
+
+    pub fn add_share(&self) -> ShareID {
+        let share_id = ShareID::from(true);
+        self.insert_share(&share_id, MockShare::default())
+            .expect("should never fail");
+
+        share_id
+    }
 }
 
 impl Client for MockClient {
@@ -111,7 +113,7 @@ impl Client for MockClient {
         (uri, alias_id).check()?;
 
         let share_id = true.into();
-        self.insert_share(&share_id)?;
+        self.insert_share(&share_id, MockShare::default())?;
 
         Ok(share_id)
     }
@@ -120,6 +122,8 @@ impl Client for MockClient {
         (uri, alias_id).check()?;
         share_id.check()?;
 
+        let _share = self.get_share(share_id)?;
+
         Ok(())
     }
 
@@ -134,12 +138,7 @@ impl Client for MockClient {
         share_id.check()?;
 
         let file_id = true.into();
-        self.insert_file(
-            share_id,
-            &file_id,
-            file.get_name().to_string(),
-            file.get_size(),
-        )?;
+        self.insert_file(share_id, &file_id, file.into())?;
 
         Ok(file_id)
     }
@@ -154,11 +153,21 @@ impl Client for MockClient {
         (uri, alias_id).check()?;
         (share_id, chunk.get_file_id()).check()?;
 
-        // TODO: `chunk` must align to a full MiB
-        let file = self.get_file_mut(share_id, chunk.get_file_id())?;
+        let file = self.get_file(share_id, chunk.get_file_id())?;
 
-        todo!()
+        if chunk.get_length() == 0 {
+            return Err(error_response!("chunk {chunk:?} empty!"));
+        } else if chunk.get_offset() % (1024 * 1024) != 0 {
+            return Err(error_response!("chunk {chunk:?} not aligned to a MiB!"));
+        } else if chunk.get_offset() != file.offset {
+            return Error::mismatch(file.offset, chunk.get_offset());
+        } else if file.offset + chunk.get_length() > file.size {
+            return Err(error_response!("chunk {chunk:?} too long!"));
+        }
 
-        // Ok(())
+        let mut file = file;
+        file.offset += chunk.get_length();
+
+        Ok(())
     }
 }

src/test_util/mock_ids.rs

@@ -1,3 +1,5 @@
+use uuid::Uuid;
+
 use crate::{
     Result,
     sharry::{AliasID, FileID, ShareID, Uri},
@@ -10,11 +12,25 @@ const VALID_FILE: &str = "valid-file";
 
 fn make_invalid(valid: &str) -> String {
     let invalid = valid.replace("valid", "invalid");
-    assert_ne!(valid, invalid);
+
+    assert_ne!(invalid, valid);
 
     invalid
 }
 
+fn make_valid(valid: &str) -> String {
+    let invalid = make_invalid(valid);
+
+    let valid = {
+        let id = Uuid::now_v1(&[4, 8, 15, 16, 23, 42]);
+        valid.replace("valid", &id.to_string())
+    };
+
+    assert_ne!(valid, invalid);
+
+    valid
+}
+
 pub trait CheckID {
     fn check(self) -> Result<()>;
 }
@@ -56,7 +72,7 @@ impl CheckID for (&ShareID, &FileID) {
 impl From<bool> for Uri {
     fn from(value: bool) -> Self {
         if value {
-            Self::from(VALID_URI.to_string())
+            Self::from(make_valid(VALID_URI))
         } else {
             Self::from(make_invalid(VALID_URI))
         }
@@ -66,7 +82,7 @@ impl From<bool> for Uri {
 impl From<bool> for AliasID {
     fn from(value: bool) -> Self {
         if value {
-            Self::from(VALID_ALIAS.to_string())
+            Self::from(make_valid(VALID_ALIAS))
         } else {
             Self::from(make_invalid(VALID_ALIAS))
         }
@@ -76,7 +92,7 @@ impl From<bool> for AliasID {
 impl From<bool> for ShareID {
     fn from(value: bool) -> Self {
         if value {
-            Self::from(VALID_SHARE.to_string())
+            Self::from(make_valid(VALID_SHARE))
         } else {
             Self::from(make_invalid(VALID_SHARE))
         }
@@ -86,7 +102,7 @@ impl From<bool> for ShareID {
 impl From<bool> for FileID {
     fn from(value: bool) -> Self {
         if value {
-            Self::new_test(VALID_FILE)
+            Self::new_test(make_valid(VALID_FILE))
         } else {
             Self::new_test(make_invalid(VALID_FILE))
         }
@@ -106,61 +122,60 @@ mod tests {
         let share_id = ShareID::from(true);
         let file_id = FileID::from(true);
 
-        assert!(matches!((&uri, &alias_id).check(), Ok(())));
-        assert!(matches!(share_id.check(), Ok(())));
-        assert!(matches!((&share_id, &file_id).check(), Ok(())));
+        assert!((&uri, &alias_id).check().is_ok());
+        assert!(share_id.check().is_ok());
+        assert!((&share_id, &file_id).check().is_ok());
     }
 
     #[test]
     fn default_is_valid() {
         let uri = Uri::default();
+        let alias_id = AliasID::from(true); // no `impl Default`
         let share_id = ShareID::default();
         let file_id = FileID::default();
 
-        assert!(matches!((&uri, &AliasID::from(true)).check(), Ok(())));
-        assert!(matches!(share_id.check(), Ok(())));
-        assert!(matches!((&share_id, &file_id).check(), Ok(())));
+        assert!((&uri, &alias_id).check().is_ok());
+        assert!(share_id.check().is_ok());
+        assert!((&share_id, &file_id).check().is_ok());
     }
 
     #[test]
     fn false_makes_invalids() {
+        fn test_check(value: impl CheckID, callback: impl FnOnce(&Parameter) -> bool) {
+            let check = value.check().expect_err("should be invalid");
+            let p = check.get_invalid_param().expect("should be InvalidParam");
+            assert!(callback(p));
+        }
+
+        // valid ids
         let uri = Uri::from(true);
         let alias_id = AliasID::from(true);
         let share_id = ShareID::from(true);
         let file_id = FileID::from(true);
 
+        // invalid ids
         let uri_i = Uri::from(false);
         let alias_id_i = AliasID::from(false);
         let share_id_i = ShareID::from(false);
         let file_id_i = FileID::from(false);
 
-        // invalid Uri, valid alias
-        let check = (&uri_i, &alias_id).check().expect_err("should be invalid");
-        let p = check.get_invalid_param().expect("should be InvalidParam");
-        assert!(matches!(p, Parameter::Uri(_)));
+        // param checks
+        let is_uri_i = |p: &Parameter| matches!(p, Parameter::Uri(_));
+        let is_alias_id_i = |p: &Parameter| matches!(p, Parameter::AliasID(_));
+        let is_share_id_i = |p: &Parameter| matches!(p, Parameter::ShareID(_));
+        let is_file_id_i = |p: &Parameter| matches!(p, Parameter::FileID(_));
 
-        // valid Uri, invalid alias
-        let check = (&uri, &alias_id_i).check().expect_err("should be invalid");
-        let p = check.get_invalid_param().expect("should be InvalidParam");
-        assert!(matches!(p, Parameter::AliasID(_)));
+        // uri + alias
+        test_check((&uri_i, &alias_id_i), is_uri_i);
+        test_check((&uri_i, &alias_id), is_uri_i);
+        test_check((&uri, &alias_id_i), is_alias_id_i);
 
-        // invalid share
-        let check = share_id_i.check().expect_err("should be invalid");
-        let p = check.get_invalid_param().expect("should be InvalidParam");
-        assert!(matches!(p, Parameter::ShareID(_)));
+        // share
+        test_check(&share_id_i, is_share_id_i);
 
-        // invalid share, valid file
-        let check = (&share_id_i, &file_id)
-            .check()
-            .expect_err("should be invalid");
-        let p = check.get_invalid_param().expect("should be InvalidParam");
-        assert!(matches!(p, Parameter::ShareID(_)));
-
-        // valid share, invalid file
-        let check = (&share_id, &file_id_i)
-            .check()
-            .expect_err("should be invalid");
-        let p = check.get_invalid_param().expect("should be InvalidParam");
-        assert!(matches!(p, Parameter::FileID(_)));
+        // share + file
+        test_check((&share_id_i, &file_id_i), is_share_id_i);
+        test_check((&share_id_i, &file_id), is_share_id_i);
+        test_check((&share_id, &file_id_i), is_file_id_i);
     }
 }

src/test_util/mod.rs

@@ -4,6 +4,8 @@ pub mod data;
 mod mock_client;
 mod mock_ids;
 
+pub use mock_client::MockClient;
+
 use std::{fmt, io::Write};
 
 use tempfile::NamedTempFile;