aucpace: test with cargo hack (#201)

Ensure the build works with all feature combinations

Author: tarcieri

.github/workflows/aucpace.yml

@@ -49,4 +49,6 @@ jobs:
       - uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
+      - uses: RustCrypto/actions/cargo-hack-install@master
+      - run: cargo hack test --feature-powerset
       - run: cargo test --release --all-features

aucpace/src/server.rs

@@ -334,7 +334,6 @@ where
     /// ([`next_step`](AuCPaceServerCPaceSubstep), [`message`](ServerMessage::AugmentationInfo))
     /// - [`next_step`](AuCPaceServerCPaceSubstep): the server in the `CPace` substep stage
     /// - [`message`](ServerMessage::AugmentationInfo): the message to send to the client
-    ///
     #[cfg(all(feature = "strong_aucpace", feature = "partial_augmentation"))]
     pub fn generate_client_info_partial_strong<U, DB, CSPRNG>(
         self,
@@ -812,7 +811,11 @@ mod tests {
         }
     }
 
-    #[cfg(all(feature = "sha2", feature = "strong_aucpace"))]
+    #[cfg(all(
+        feature = "partial_augmentation",
+        feature = "sha2",
+        feature = "strong_aucpace"
+    ))]
     impl PartialAugDatabase for FakeDatabase {
         type PrivateKey = Scalar;
         type PublicKey = RistrettoPoint;
@@ -858,7 +861,12 @@ mod tests {
     }
 
     #[test]
-    #[cfg(all(feature = "sha2", feature = "rand", feature = "strong_aucpace"))]
+    #[cfg(all(
+        feature = "partial_augmentation",
+        feature = "sha2",
+        feature = "rand",
+        feature = "strong_aucpace"
+    ))]
     fn test_server_doesnt_accept_invalid_uq_partial() {
         use crate::utils::H0;
         use curve25519_dalek::traits::Identity;

aucpace/tests/test_key_agreement.rs

@@ -1,3 +1,5 @@
+#![cfg(all(feature = "alloc", feature = "rand"))]
+
 use aucpace::{
     Client, ClientMessage, Database, OsRng, Result, Server, ServerMessage,
     client::{AuCPaceClientPreAug, AuCPaceClientRecvServerKey},

aucpace/tests/test_key_agreement_partial_aug.rs

@@ -1,8 +1,10 @@
-use aucpace::OsRng;
-use aucpace::client::{AuCPaceClientPreAug, AuCPaceClientRecvServerKey};
-use aucpace::server::{AuCPaceServerAugLayer, AuCPaceServerRecvClientKey};
+#![cfg(all(feature = "alloc", feature = "partial_augmentation", feature = "rand"))]
+
 use aucpace::{
-    Client, ClientMessage, Database, Error, PartialAugDatabase, Result, Server, ServerMessage,
+    Client, ClientMessage, Database, Error, OsRng, PartialAugDatabase, Result, Server,
+    ServerMessage,
+    client::{AuCPaceClientPreAug, AuCPaceClientRecvServerKey},
+    server::{AuCPaceServerAugLayer, AuCPaceServerRecvClientKey},
 };
 use curve25519_dalek::{RistrettoPoint, Scalar};
 use password_hash::{ParamsString, SaltString};

aucpace/tests/test_key_agreement_strong.rs

@@ -1,3 +1,5 @@
+#![cfg(all(feature = "alloc", feature = "rand", feature = "strong_aucpace"))]
+
 use aucpace::{
     Client, ClientMessage, OsRng, Result, Server, ServerMessage, StrongDatabase,
     client::{AuCPaceClientPreAug, AuCPaceClientRecvServerKey},

aucpace/tests/test_key_agreement_strong_partial_aug.rs

@@ -1,3 +1,10 @@
+#![cfg(all(
+    feature = "alloc",
+    feature = "partial_augmentation",
+    feature = "rand",
+    feature = "strong_aucpace"
+))]
+
 use aucpace::{
     Client, ClientMessage, Error, OsRng, PartialAugDatabase, Result, Server, ServerMessage,
     StrongDatabase,