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105 lines
2.9 KiB
Go
105 lines
2.9 KiB
Go
package envsubst
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import "testing"
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func Test_len(t *testing.T) {
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got, want := toLen("Hello World"), "11"
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if got != want {
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t.Errorf("Expect len function to return %s, got %s", want, got)
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}
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}
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func Test_lower(t *testing.T) {
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got, want := toLower("Hello World"), "hello world"
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if got != want {
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t.Errorf("Expect lower function to return %s, got %s", want, got)
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}
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}
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func Test_lowerFirst(t *testing.T) {
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got, want := toLowerFirst("HELLO WORLD"), "hELLO WORLD"
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if got != want {
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t.Errorf("Expect lowerFirst function to return %s, got %s", want, got)
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}
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defer func() {
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if recover() != nil {
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t.Errorf("Expect empty string does not panic lowerFirst")
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}
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}()
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toLowerFirst("")
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}
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func Test_upper(t *testing.T) {
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got, want := toUpper("Hello World"), "HELLO WORLD"
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if got != want {
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t.Errorf("Expect upper function to return %s, got %s", want, got)
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}
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}
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func Test_upperFirst(t *testing.T) {
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got, want := toUpperFirst("hello world"), "Hello world"
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if got != want {
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t.Errorf("Expect upperFirst function to return %s, got %s", want, got)
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}
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defer func() {
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if recover() != nil {
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t.Errorf("Expect empty string does not panic upperFirst")
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}
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}()
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toUpperFirst("")
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}
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func Test_default(t *testing.T) {
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got, want := toDefault("Hello World", "Hola Mundo"), "Hello World"
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if got != want {
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t.Errorf("Expect default function uses variable value")
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}
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got, want = toDefault("", "Hola Mundo"), "Hola Mundo"
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if got != want {
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t.Errorf("Expect default function uses default value, when variable empty. Got %s, Want %s", got, want)
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}
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got, want = toDefault("", "Hola Mundo", "-Bonjour le monde", "-Halló heimur"), "Hola Mundo-Bonjour le monde-Halló heimur"
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if got != want {
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t.Errorf("Expect default function to use concatenated args when variable empty. Got %s, Want %s", got, want)
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}
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}
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func Test_substr(t *testing.T) {
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got, want := toSubstr("123456789123456789", "0", "8"), "12345678"
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if got != want {
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t.Errorf("Expect substr function to cut from beginning to length")
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}
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got, want = toSubstr("123456789123456789", "1", "8"), "23456789"
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if got != want {
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t.Errorf("Expect substr function to cut from offset to length")
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}
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got, want = toSubstr("123456789123456789", "9"), "123456789"
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if got != want {
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t.Errorf("Expect substr function to cut beginnging with offset")
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}
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got, want = toSubstr("123456789123456789", "9", "50"), "123456789"
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if got != want {
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t.Errorf("Expect substr function to ignore length if out of bound")
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}
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got, want = toSubstr("123456789123456789", "-3", "2"), "78"
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if got != want {
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t.Errorf("Expect substr function to count negative offsets from the end")
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}
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got, want = toSubstr("123456789123456789", "-300", "3"), "123"
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if got != want {
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t.Errorf("Expect substr function to cut from the beginning to length for negative offsets exceeding string length")
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}
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got, want = toSubstr("12345678", "9", "1"), ""
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if got != want {
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t.Errorf("Expect substr function to cut entire string if pos is itself out of bound")
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}
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}
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