e0f4bc699c
We were depending on pkg/stringid to truncate IDs for presentation. While traditionally, we used a fixed length for "truncated" IDs, this is not a strict requirement (any ID-prefix should work, but conflicts may happen on shorter IDs). This patch adds a local `TruncateID()` utility in the formatter package; it's currently using the same implementation and length as the `stringid.TruncateID` function, but may diverge in future. Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
75 lines
2.0 KiB
Go
75 lines
2.0 KiB
Go
package formatter
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import (
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"testing"
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"gotest.tools/v3/assert"
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is "gotest.tools/v3/assert/cmp"
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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 TestEllipsis(t *testing.T) {
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testcases := []struct {
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source string
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width int
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expected string
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}{
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{source: "t🐳ststring", width: 0, expected: ""},
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{source: "t🐳ststring", width: 1, expected: "t"},
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{source: "t🐳ststring", width: 2, expected: "t…"},
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{source: "t🐳ststring", width: 6, expected: "t🐳st…"},
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{source: "t🐳ststring", width: 20, expected: "t🐳ststring"},
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{source: "你好世界teststring", width: 0, expected: ""},
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{source: "你好世界teststring", width: 1, expected: "你"},
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{source: "你好世界teststring", width: 3, expected: "你…"},
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{source: "你好世界teststring", width: 6, expected: "你好…"},
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{source: "你好世界teststring", width: 20, expected: "你好世界teststring"},
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}
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for _, testcase := range testcases {
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assert.Check(t, is.Equal(testcase.expected, Ellipsis(testcase.source, testcase.width)))
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}
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}
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