Function TestCurrentUserForGroup

pkgcache/cache_setup_test.go:175–231

(t *testing.T)

}

func TestCurrentUserForGroup(t *testing.T) {
	tests := []struct {
		name     string
		sudoUser string
		user     string
		want     string
		wantErr  string
	}{
		{
			name:     "prefers SUDO_USER",
			sudoUser: "alice",
			user:     "root",
			want:     "alice",
		},
		{
			name: "falls back to USER",
			user: "bob",
			want: "bob",
		},
		{
			name:    "rejects root from SUDO_USER",
			sudoUser: "root",
			user:    "ignored",
			wantErr: "cannot determine the invoking non-root user",
		},
		{
			name:    "rejects root from USER",
			user:    "root",
			wantErr: "cannot determine the invoking non-root user",
		},
		{
			name:    "rejects empty environment",
			wantErr: "cannot read current user from environment",
		},
	}

	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			t.Setenv("SUDO_USER", test.sudoUser)
			t.Setenv("USER", test.user)

			got, err := currentUserForGroup()
			if test.wantErr != "" {
				if err == nil || !strings.Contains(err.Error(), test.wantErr) {
					t.Fatalf("currentUserForGroup() error = %v, want to contain %q", err, test.wantErr)
				}
				return
			}
			if err != nil {
				t.Fatalf("currentUserForGroup() error = %v", err)
			}
			if got != test.want {
				t.Fatalf("currentUserForGroup() = %q, want %q", got, test.want)
			}
		})
	}
}