added e2e test for encoding

.github/workflows/saffron.yml

@@ -0,0 +1,40 @@
+name: Saffron CI
+
+on:
+  workflow_dispatch:
+  pull_request:
+  push:
+    branches:
+      - master
+
+jobs:
+  run:
+    name: Run saffron e2e tests
+
+    runs-on: ["ubuntu-latest"]
+
+    strategy:
+      matrix:
+        rust_toolchain_version: ["1.74"]
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Use shared Rust toolchain setting up steps
+        uses: ./.github/actions/toolchain-shared
+        with:
+          rust_toolchain_version: ${{ matrix.rust_toolchain_version }}
+
+      - name: Apply the Rust smart cacheing
+        uses: Swatinem/rust-cache@v2
+
+      - name: Build the saffron cli binary
+        run: |
+          cargo build --release --bin saffron
+
+      - name: Run the saffron e2e encoding tests
+        run: |
+          ./saffron/test-encoding.sh saffron/fixtures/lorem.txt

saffron/.gitignore

@@ -1,3 +1 @@
 proptest-regressions
-fixtures/lorem.bin
-fixtures/lorem-decoded.txt

saffron/test-encoding.sh

@@ -1,15 +1,45 @@
 #!/bin/bash
 
-# Run encode and decode
-cargo run --bin saffron encode -i fixtures/lorem.txt -o fixtures/lorem.bin
-cargo run --bin saffron decode -i fixtures/lorem.bin -o fixtures/lorem-decoded.txt
+# Check if input file is provided
+if [ $# -ne 1 ]; then
+    echo "Usage: $0 <input_file>"
+    exit 1
+fi
+
+INPUT_FILE="$1"
+ENCODED_FILE="${INPUT_FILE%.*}.bin"
+DECODED_FILE="${INPUT_FILE%.*}-decoded${INPUT_FILE##*.}"
+
+# Ensure input file exists
+if [ ! -f "$INPUT_FILE" ]; then
+    echo "Error: Input file '$INPUT_FILE' does not exist"
+    exit 1
+fi
+
+# Run encode
+echo "Encoding $INPUT_FILE to $ENCODED_FILE"
+if ! cargo run --bin saffron encode -i "$INPUT_FILE" -o "$ENCODED_FILE"; then
+    echo "Encoding failed"
+    exit 1
+fi
+
+# Run decode
+echo "Decoding $ENCODED_FILE to $DECODED_FILE"
+if ! cargo run --bin saffron decode -i "$ENCODED_FILE" -o "$DECODED_FILE"; then
+    echo "Decoding failed"
+    exit 1
+fi
 
 # Compare files
-if cmp -s fixtures/lorem.txt fixtures/lorem-decoded.txt; then
-    echo "Files are identical"
+echo "Comparing original and decoded files..."
+if cmp -s "$INPUT_FILE" "$DECODED_FILE"; then
+    echo "✓ Success: Files are identical"
+    echo "Cleaning up temporary files..."
+    rm -f "$ENCODED_FILE" "$DECODED_FILE"
     exit 0
 else
-    echo "Files differ"
-    diff fixtures/lorem.txt fixtures/lorem-decoded.txt
+    echo "✗ Error: Files differ"
+    echo "Keeping temporary files for inspection"
+    diff "$INPUT_FILE" "$DECODED_FILE"
     exit 1
-fi
+fi