Automated test optimization increased to 132

tests/regression_bugs.bats

@@ -0,0 +1,169 @@
+#!/usr/bin/env bats
+# Regression tests for previously fixed bugs
+# Ensures历史bug不再复现
+
+setup() {
+    PROJECT_ROOT="$(cd "${BATS_TEST_DIRNAME}/.." && pwd)"
+    export PROJECT_ROOT
+    export HOME="$BATS_TEST_TMPDIR/home"
+    mkdir -p "$HOME/.config/mole"
+}
+
+# =================================================================
+# 退出问题回归测试 (bb21bb1, 4b6c436, d75c34d)
+# =================================================================
+
+@test "find with non-existent directory doesn't cause script exit (pipefail bug)" {
+    # 这个模式曾导致 lib/clean/user.sh 在 pipefail 模式下意外退出
+    result=$(bash -c '
+        set -euo pipefail
+        find /non/existent/dir -name "*.cache" 2>/dev/null || true
+        echo "survived"
+    ')
+    [[ "$result" == "survived" ]]
+}
+
+@test "browser directory check pattern is safe when directories don't exist" {
+    # 修复模式：先检查目录是否存在
+    result=$(bash -c '
+        set -euo pipefail
+        search_dirs=()
+        [[ -d "/non/existent/chrome" ]] && search_dirs+=("/non/existent/chrome")
+        [[ -d "/tmp" ]] && search_dirs+=("/tmp")
+
+        if [[ ${#search_dirs[@]} -gt 0 ]]; then
+            find "${search_dirs[@]}" -maxdepth 1 -type f 2>/dev/null || true
+        fi
+        echo "survived"
+    ')
+    [[ "$result" == "survived" ]]
+}
+
+@test "empty array doesn't cause unbound variable error" {
+    result=$(bash -c '
+        set -euo pipefail
+        search_dirs=()
+
+        # 这不应该执行且不应该报错
+        if [[ ${#search_dirs[@]} -gt 0 ]]; then
+            echo "should not reach here"
+        fi
+        echo "survived"
+    ')
+    [[ "$result" == "survived" ]]
+}
+
+# ===============================================================
+# 更新检查回归测试 (260254f, b61b3f7, 2a64cae, 7a9c946)
+# ===============================================================
+
+@test "version comparison works correctly" {
+    result=$(bash -c '
+        v1="1.11.8"
+        v2="1.11.9"
+        if [[ "$(printf "%s\n" "$v1" "$v2" | sort -V | head -1)" == "$v1" && "$v1" != "$v2" ]]; then
+            echo "update_needed"
+        fi
+    ')
+    [[ "$result" == "update_needed" ]]
+}
+
+@test "version comparison with same versions" {
+    result=$(bash -c '
+        v1="1.11.8"
+        v2="1.11.8"
+        if [[ "$(printf "%s\n" "$v1" "$v2" | sort -V | head -1)" == "$v1" && "$v1" != "$v2" ]]; then
+            echo "update_needed"
+        else
+            echo "up_to_date"
+        fi
+    ')
+    [[ "$result" == "up_to_date" ]]
+}
+
+@test "version prefix v/V is stripped correctly" {
+    result=$(bash -c '
+        version="v1.11.9"
+        clean=${version#v}
+        clean=${clean#V}
+        echo "$clean"
+    ')
+    [[ "$result" == "1.11.9" ]]
+}
+
+@test "network timeout prevents hanging (simulated)" {
+    # curl 超时参数应该生效
+    # shellcheck disable=SC2016
+    result=$(timeout 5 bash -c '
+        result=$(curl -fsSL --connect-timeout 1 --max-time 2 "http://192.0.2.1:12345/test" 2>/dev/null || echo "failed")
+        if [[ "$result" == "failed" ]]; then
+            echo "timeout_works"
+        fi
+    ')
+    [[ "$result" == "timeout_works" ]]
+}
+
+@test "empty version string is handled gracefully" {
+    result=$(bash -c '
+        latest=""
+        if [[ -z "$latest" ]]; then
+            echo "handled"
+        fi
+    ')
+    [[ "$result" == "handled" ]]
+}
+
+# ===============================================================
+# Pipefail 模式安全模式测试
+# ===============================================================
+
+@test "grep with no match doesn't cause exit in pipefail mode" {
+    result=$(bash -c '
+        set -euo pipefail
+        echo "test" | grep "nonexistent" || true
+        echo "survived"
+    ')
+    [[ "$result" == "survived" ]]
+}
+
+@test "command substitution failure is handled with || true" {
+    result=$(bash -c '
+        set -euo pipefail
+        output=$(false) || true
+        echo "survived"
+    ')
+    [[ "$result" == "survived" ]]
+}
+
+@test "arithmetic on zero doesn't cause exit" {
+    result=$(bash -c '
+        set -euo pipefail
+        count=0
+        ((count++)) || true
+        echo "$count"
+    ')
+    [[ "$result" == "1" ]]
+}
+
+# ===============================================================
+# 实际场景回归测试
+# ===============================================================
+
+@test "safe_remove pattern doesn't fail on non-existent path" {
+    result=$(bash -c "
+        set -euo pipefail
+        source '$PROJECT_ROOT/lib/core/common.sh'
+        safe_remove '$HOME/non/existent/path' true > /dev/null 2>&1 || true
+        echo 'survived'
+    ")
+    [[ "$result" == "survived" ]]
+}
+
+@test "module loading doesn't fail" {
+    result=$(bash -c "
+        set -euo pipefail
+        source '$PROJECT_ROOT/lib/core/common.sh'
+        echo 'loaded'
+    ")
+    [[ "$result" == "loaded" ]]
+}