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bb6a7b8f07
The `\b` in the regular expression ensures we only match with a hexadecimal notation as awhole, while still allowing to match with e.g. `sha1:...` which would not have been possible by using `\W` as this includes `_`. Signed-off-by: Hidde Beydals <hello@hidde.co>
105 lines
3.1 KiB
Go
105 lines
3.1 KiB
Go
/*
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Copyright 2023 The Flux authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package utils
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import (
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"testing"
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. "github.com/onsi/gomega"
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)
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func TestTruncateHex(t *testing.T) {
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tests := []struct {
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name string
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str string
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want string
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}{
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{
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name: "SHA1 hash",
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str: "16cfcc0b9066b3234dda29927ac1c19860d9663f",
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want: "16cfcc0b",
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},
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{
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name: "SHA256 hash",
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str: "c2448c95e262b10f9c1137bf1472f51c04dffca76966ff15eff409d0b300c0b0",
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want: "c2448c95",
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},
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{
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name: "BLAKE3 hash",
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str: "d7b332559f4e57c01dcbe24e53346b4e47696fd2a07f39639a4017a8c3a1d045",
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want: "d7b33255",
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},
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{
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name: "SHA512 hash",
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str: "dd81564b7e1e1d5986b166c21963d602f47f8610bf2a6ebbfd2f9c1e5ef05ef134f07e587383cbc049325c43e0e6817b5a282a74c0d569a5e057118484989781",
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want: "dd81564b",
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},
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{
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name: "part of digest",
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str: "sha256:c2448c95e262b10f9c1137bf1472f51c04dffca76966ff15eff409d0b300c0b0",
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want: "sha256:c2448c95",
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},
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{
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name: "part of revision with digest",
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str: "tag@sha256:c2448c95e262b10f9c1137bf1472f51c04dffca76966ff15eff409d0b300c0b0",
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want: "tag@sha256:c2448c95",
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},
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{
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name: "legacy revision with hash",
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str: "HEAD/16cfcc0b9066b3234dda29927ac1c19860d9663f",
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want: "HEAD/16cfcc0b",
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},
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{
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name: "hex exceeding max length",
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str: "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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want: "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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},
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{
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name: "hex under min length",
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str: "ffffffffffffff",
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want: "ffffffffffffff",
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},
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{
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name: "within string",
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str: "this is a lengthy string with a hash 16cfcc0b9066b3234dda29927ac1c19860d9663f in it",
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want: "this is a lengthy string with a hash 16cfcc0b in it",
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},
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{
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name: "within string (quoted)",
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str: "this is a lengthy string with a hash \"c2448c95e262b10f9c1137bf1472f51c04dffca76966ff15eff409d0b300c0b0\" in it",
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want: "this is a lengthy string with a hash \"c2448c95\" in it",
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},
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{
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name: "within string (single quoted)",
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str: "this is a lengthy string with a hash 'sha256:c2448c95e262b10f9c1137bf1472f51c04dffca76966ff15eff409d0b300c0b0' in it",
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want: "this is a lengthy string with a hash 'sha256:c2448c95' in it",
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},
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{
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name: "arbitrary string",
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str: "which should not be modified",
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want: "which should not be modified",
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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g := NewWithT(t)
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g.Expect(TruncateHex(tt.str)).To(Equal(tt.want))
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})
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}
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}
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