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c837027a9c
These tests were named confusingly as they're testing `TruncateID`. While renaming, let's also combine them into a single test using a test-table, so that the test-cases can carry some description what they're testing. Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
101 lines
2.1 KiB
Go
101 lines
2.1 KiB
Go
package stringid // import "github.com/docker/docker/pkg/stringid"
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import (
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"strings"
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"testing"
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)
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func TestGenerateRandomID(t *testing.T) {
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id := GenerateRandomID()
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if len(id) != fullLen {
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t.Fatalf("Id returned is incorrect: %s", id)
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}
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}
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func TestTruncateID(t *testing.T) {
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tests := []struct {
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doc, id, expected string
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}{
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{
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doc: "empty ID",
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id: "",
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expected: "",
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},
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{
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// IDs are expected to be 12 (short) or 64 characters, and not be numeric only,
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// but TruncateID should handle these gracefully.
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doc: "invalid ID",
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id: "1234",
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expected: "1234",
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},
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{
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doc: "full ID",
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id: "90435eec5c4e124e741ef731e118be2fc799a68aba0466ec17717f24ce2ae6a2",
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expected: "90435eec5c4e",
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},
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{
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doc: "digest",
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id: "sha256:90435eec5c4e124e741ef731e118be2fc799a68aba0466ec17717f24ce2ae6a2",
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expected: "90435eec5c4e",
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},
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{
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doc: "very long ID",
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id: "90435eec5c4e124e741ef731e118be2fc799a68aba0466ec17717f24ce2ae6a290435eec5c4e124e741ef731e118be2fc799a68aba0466ec17717f24ce2ae6a2",
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expected: "90435eec5c4e",
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},
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}
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for _, tc := range tests {
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t.Run(tc.doc, func(t *testing.T) {
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actual := TruncateID(tc.id)
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if actual != tc.expected {
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t.Errorf("expected: %q, got: %q", tc.expected, actual)
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}
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})
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}
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}
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func TestIsShortIDNonHex(t *testing.T) {
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id := "some non-hex value"
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if IsShortID(id) {
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t.Fatalf("%s is not a short ID", id)
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}
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}
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func TestIsShortIDNotCorrectSize(t *testing.T) {
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id := strings.Repeat("a", shortLen+1)
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if IsShortID(id) {
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t.Fatalf("%s is not a short ID", id)
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}
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id = strings.Repeat("a", shortLen-1)
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if IsShortID(id) {
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t.Fatalf("%s is not a short ID", id)
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}
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}
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var testIDs = []string{
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"4e38e38c8ce0",
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strings.Repeat("a", shortLen+1),
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strings.Repeat("a", 16000),
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"90435eec5c4e124e741ef731e118be2fc799a68aba0466ec17717f24ce2ae6a2",
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}
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func BenchmarkIsShortID(b *testing.B) {
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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for _, id := range testIDs {
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_ = IsShortID(id)
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}
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}
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}
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func BenchmarkValidateID(b *testing.B) {
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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for _, id := range testIDs {
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_ = ValidateID(id)
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}
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}
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}
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