80 lines
1.8 KiB
Go
80 lines
1.8 KiB
Go
package stringutils
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import "testing"
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func TestRandomString(t *testing.T) {
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str := GenerateRandomString()
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if len(str) != 64 {
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t.Fatalf("Id returned is incorrect: %s", str)
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}
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}
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func TestRandomStringUniqueness(t *testing.T) {
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repeats := 25
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set := make(map[string]struct{}, repeats)
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for i := 0; i < repeats; i = i + 1 {
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str := GenerateRandomString()
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if len(str) != 64 {
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t.Fatalf("Id returned is incorrect: %s", str)
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}
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if _, ok := set[str]; ok {
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t.Fatalf("Random number is repeated")
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}
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set[str] = struct{}{}
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}
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}
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func testLengthHelper(generator func(int) string, t *testing.T) {
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expectedLength := 20
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s := generator(expectedLength)
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if len(s) != expectedLength {
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t.Fatalf("Length of %s was %d but expected length %d", s, len(s), expectedLength)
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}
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}
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func testUniquenessHelper(generator func(int) string, t *testing.T) {
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repeats := 25
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set := make(map[string]struct{}, repeats)
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for i := 0; i < repeats; i = i + 1 {
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str := generator(64)
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if len(str) != 64 {
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t.Fatalf("Id returned is incorrect: %s", str)
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}
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if _, ok := set[str]; ok {
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t.Fatalf("Random number is repeated")
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}
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set[str] = struct{}{}
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}
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}
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func isASCII(s string) bool {
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for _, c := range s {
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if c > 127 {
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return false
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}
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}
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return true
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}
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func TestGenerateRandomAlphaOnlyStringLength(t *testing.T) {
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testLengthHelper(GenerateRandomAlphaOnlyString, t)
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}
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func TestGenerateRandomAlphaOnlyStringUniqueness(t *testing.T) {
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testUniquenessHelper(GenerateRandomAlphaOnlyString, t)
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}
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func TestGenerateRandomAsciiStringLength(t *testing.T) {
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testLengthHelper(GenerateRandomAsciiString, t)
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}
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func TestGenerateRandomAsciiStringUniqueness(t *testing.T) {
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testUniquenessHelper(GenerateRandomAsciiString, t)
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}
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func TestGenerateRandomAsciiStringIsAscii(t *testing.T) {
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str := GenerateRandomAsciiString(64)
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if !isASCII(str) {
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t.Fatalf("%s contained non-ascii characters", str)
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}
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}
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