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package stringid
import (
"testing"
)
func TestGenerateRandomID(t *testing.T) {
id := GenerateRandomID()
if len(id) != fullLen {
t.Fatalf("Id returned is incorrect: %s", id)
}
}
func TestTruncateID(t *testing.T) {
tests := []struct {
doc, id, expected string
}{
{
doc: "empty ID",
id: "",
expected: "",
},
{
// IDs are expected to be 12 (short) or 64 characters, and not be numeric only,
// but TruncateID should handle these gracefully.
doc: "invalid ID",
id: "1234",
expected: "1234",
},
{
doc: "full ID",
id: "90435eec5c4e124e741ef731e118be2fc799a68aba0466ec17717f24ce2ae6a2",
expected: "90435eec5c4e",
},
{
doc: "digest",
id: "sha256:90435eec5c4e124e741ef731e118be2fc799a68aba0466ec17717f24ce2ae6a2",
expected: "90435eec5c4e",
},
{
doc: "very long ID",
id: "90435eec5c4e124e741ef731e118be2fc799a68aba0466ec17717f24ce2ae6a290435eec5c4e124e741ef731e118be2fc799a68aba0466ec17717f24ce2ae6a2",
expected: "90435eec5c4e",
},
}
for _, tc := range tests {
t.Run(tc.doc, func(t *testing.T) {
actual := TruncateID(tc.id)
if actual != tc.expected {
t.Errorf("expected: %q, got: %q", tc.expected, actual)
}
})
}
}
func TestAllNum(t *testing.T) {
tests := []struct {
doc, id string
expected bool
}{
{
doc: "mixed letters and numbers",
id: "4e38e38c8ce0",
expected: false,
},
{
doc: "letters only",
id: "deadbeefcafe",
expected: false,
},
{
doc: "numbers only",
id: "012345678912",
expected: true,
},
}
for _, tc := range tests {
t.Run(tc.doc, func(t *testing.T) {
if actual := allNum(tc.id); actual != tc.expected {
t.Errorf("expected %q to be %t, got %t, ", tc.id, !tc.expected, actual)
}
})
}
}
|
