Golang多场景测试技巧t.Run详解

func TestValidateEmail(t *testing.T) {
    tests := []struct {
        name      string
        email     string
        wantValid bool
    }{
        {"valid basic email", "user@example.com", true},
        {"missing @", "userexample.com", false},
        {"double @", "user@@example.com", false},
        {"empty string", "", false},
        {"valid with dot", "a.b@c.org", true},
    }

    for _, tt := range tests {
        t.Run(tt.name, func(t *testing.T) {
            got := ValidateEmail(tt.email)
            if got != tt.wantValid {
                t.Errorf("ValidateEmail(%q) = %v; want %v", tt.email, got, tt.wantValid)
            }
        })
    }
}

for _, tt := range tests {
    t.Run(tt.name, func(t *testing.T) {
        t.Parallel() // 启用并行执行
        got := ValidateEmail(tt.email)
        if got != tt.wantValid {
            t.Errorf("ValidateEmail(%q) = %v; want %v", tt.email, got, tt.wantValid)
        }
    })
}