Update test.sh

test.sh

@@ -461,6 +461,34 @@ test_metadata_empty_value() {
     fi
 }
 
+test_metadata_invalid_format() {
+    log_info "Testing invalid metadata format rejection..."
+    
+    echo "metadata test invalid" > "${TEST_DIR}/test_files/meta_invalid.txt"
+    
+    # Test invalid format (no equals sign) - directly call sos to capture exit code
+    export SOS_WRITE_TOKEN="${TEST_TOKEN}"
+    export SOS_TEST_MODE=1
+    local host="${SOS_TEST_HOST:-localhost:${TEST_PORT}}"
+    
+    set +e
+    "${SCRIPT_DIR}/sos" upload "$host" "${TEST_DIR}/test_files/meta_invalid.txt" "meta:invalid" --metadata "noequals" >"${TEST_DIR}/invalid_meta_output.txt" 2>&1
+    local exit_code=$?
+    set -e
+    
+    local output=$(cat "${TEST_DIR}/invalid_meta_output.txt")
+    
+    if [[ $exit_code -ne 0 ]] && echo "$output" | grep -q "Metadata must be in \"key=value\" format"; then
+        log_info "Invalid metadata format correctly rejected (exit code: $exit_code)"
+        return 0
+    else
+        log_error "Invalid metadata format not rejected properly"
+        echo "Exit code: $exit_code"
+        echo "$output" | head -5
+        return 1
+    fi
+}
+
 # Run all tests
 run_tests() {
     local tests=(
@@ -473,6 +501,12 @@ run_tests() {
         "test_metadata_update"
         "test_api_endpoints"
         "test_invalid_auth"
+        "test_metadata_single"
+        "test_metadata_multiple"
+        "test_metadata_special_chars"
+        "test_metadata_mixed_labels"
+        "test_metadata_empty_value"
+        "test_metadata_invalid_format"
     )
     
     local total=${#tests[@]}