Refactor and improve tests (solana-labs#121)

- use Reserve, LendingMarket, Obligation types directly instead of TestReserve, TestLendingMarket, TestObligation
- more helper functions
- check account state after every successful program call
- check _all_ token accounts and mint accounts after every successful program call

.github/workflows/pull-request.yml

@@ -132,14 +132,14 @@ jobs:
 
       - name: Set env vars
         run: |
-          source ci/rust-version.sh nightly
-          echo "RUST_NIGHTLY=$rust_nightly" >> $GITHUB_ENV
+          source ci/rust-version.sh
+          echo "RUST_STABLE=$rust_stable" >> $GITHUB_ENV
           source ci/solana-version.sh
           echo "SOLANA_VERSION=$solana_version" >> $GITHUB_ENV
 
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: ${{ env.RUST_NIGHTLY }}
+          toolchain: ${{ env.RUST_STABLE }}
           override: true
           profile: minimal
 
@@ -149,7 +149,7 @@ jobs:
             ~/.cargo/registry
             ~/.cargo/git
             # target # Removed due to build dependency caching conflicts
-          key: cargo-build-${{ hashFiles('**/Cargo.lock') }}-${{ env.RUST_NIGHTLY }}
+          key: cargo-build-${{ hashFiles('**/Cargo.lock') }}-${{ env.RUST_STABLE }}
 
       - name: Install dependencies
         run: |
@@ -158,9 +158,9 @@ jobs:
           echo "$HOME/.local/share/solana/install/active_release/bin" >> $GITHUB_PATH
 
       - name: run test coverage
-        run: ./coverage.sh token-lending
+        run: ./coverage.sh
 
       - name: Codecov
         uses: codecov/codecov-action@v3.1.0
         with:
-          file: target/cov/cobertura.xml
+          directory: target/coverage/

ci/cargo-test-bpf.sh

@@ -32,11 +32,11 @@ run_dir=$(pwd)
 if [[ -d $run_dir/program ]]; then
   # Build/test just one BPF program
   cd $run_dir/program
-  cargo +"$rust_stable" test-bpf -- --nocapture
+  RUST_LOG="error" cargo +"$rust_stable" test-bpf -j 1 -- --nocapture
 else
   # Build/test all BPF programs
   for directory in $(ls -d $run_dir/*/); do
     cd $directory
-    cargo +"$rust_stable" test-bpf -- --nocapture
+    RUST_LOG="error" cargo +"$rust_stable" test-bpf -j 1 -- --nocapture
   done
 fi

ci/install-program-deps.sh

@@ -13,3 +13,4 @@ cargo install honggfuzz --version=0.5.52 --force || true
 cargo +"$rust_stable" install grcov --force
 
 cargo +"$rust_stable" build-bpf --version
+rustup component add llvm-tools-preview

ci/rust-version.sh

@@ -18,13 +18,13 @@
 if [[ -n $RUST_STABLE_VERSION ]]; then
   stable_version="$RUST_STABLE_VERSION"
 else
-  stable_version=1.63.0
+  stable_version=1.65.0
 fi
 
 if [[ -n $RUST_NIGHTLY_VERSION ]]; then
   nightly_version="$RUST_NIGHTLY_VERSION"
 else
-  nightly_version=2022-01-30
+  nightly_version=2022-04-01
 fi