Function TestEnv_keyword

expr_test.go:2199–2293

Test the use of env keyword. Forms env[] and env[”] are valid. The enclosed identifier must be in the expression env.

(t *testing.T)

// Test the use of env keyword.  Forms env[] and env[”] are valid.
// The enclosed identifier must be in the expression env.
func TestEnv_keyword(t *testing.T) {
	env := map[string]any{
		"space test":                       "ok",
		"space_test":                       "not ok", // Seems to be some underscore substituting happening, check that.
		"Section 1-2a":                     "ok",
		`c:\ndrive\2015 Information Table`: "ok",
		"%*worst function name ever!!": func() string {
			return "ok"
		}(),
		"1":      "o",
		"2":      "k",
		"num":    10,
		"mylist": []int{1, 2, 3, 4, 5},
		"MIN": func(a, b int) int {
			if a < b {
				return a
			} else {
				return b
			}
		},
		"red":   "n",
		"irect": "um",
		"String Map": map[string]string{
			"one":   "two",
			"three": "four",
		},
		"OtherMap": map[string]string{
			"a": "b",
			"c": "d",
		},
	}

	// No error cases
	var tests = []struct {
		code string
		want any
	}{
		{"$env['space test']", "ok"},
		{"$env['Section 1-2a']", "ok"},
		{`$env["c:\\ndrive\\2015 Information Table"]`, "ok"},
		{"$env['%*worst function name ever!!']", "ok"},
		{"$env['String Map'].one", "two"},
		{"$env['1'] + $env['2']", "ok"},
		{"1 + $env['num'] + $env['num']", 21},
		{"MIN($env['num'],0)", 0},
		{"$env['nu' + 'm']", 10},
		{"$env[red + irect]", 10},
		{"$env['String Map']?.five", ""},
		{"$env.red", "n"},
		{"$env?.unknown", nil},
		{"$env.mylist[1]", 2},
		{"$env?.OtherMap?.a", "b"},
		{"$env?.OtherMap?.d", ""},
		{"'num' in $env", true},
		{"get($env, 'num')", 10},
	}

	for _, tt := range tests {