feat: add more test project

Signed-off-by: Xinwei Xiong(cubxxw-openim) <3293172751nss@gmail.com>

tools/web/web_test.go

@@ -0,0 +1,57 @@
+package main
+
+import (
+	"os"
+	"testing"
+)
+
+func TestGetConfigValue(t *testing.T) {
+	tests := []struct {
+		name       string
+		envKey     string
+		envValue   string
+		flagValue  string
+		fallback   string
+		wantResult string
+	}{
+		{
+			name:       "environment variable set",
+			envKey:     "TEST_KEY",
+			envValue:   "envValue",
+			flagValue:  "",
+			fallback:   "default",
+			wantResult: "envValue",
+		},
+		{
+			name:       "flag set and environment variable not set",
+			envKey:     "TEST_KEY",
+			envValue:   "",
+			flagValue:  "flagValue",
+			fallback:   "default",
+			wantResult: "flagValue",
+		},
+		{
+			name:       "nothing set, use fallback",
+			envKey:     "TEST_KEY",
+			envValue:   "",
+			flagValue:  "",
+			fallback:   "default",
+			wantResult: "default",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if tt.envValue != "" {
+				os.Setenv(tt.envKey, tt.envValue)
+				defer os.Unsetenv(tt.envKey)
+			}
+
+			got := getConfigValue(tt.envKey, tt.flagValue, tt.fallback)
+
+			if got != tt.wantResult {
+				t.Errorf("getConfigValue(%s, %s, %s) = %s; want %s", tt.envKey, tt.flagValue, tt.fallback, got, tt.wantResult)
+			}
+		})
+	}
+}