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zeekayandHanzo Dev
aa87442fdd
Source files keep their SPDX-License-Identifier and Hanzo copyright line; the Gitea, Gogs and LFS Test Server copyrights they used to repeat now live once in NOTICE, alongside LICENSE. The header lint accepts any copyright line above the SPDX line, so it no longer demands an upstream one. Co-authored-by: Hanzo Dev <[email protected]>
228 lines
6.7 KiB
Go
228 lines
6.7 KiB
Go
// Copyright 2026 Hanzo AI, Inc. All rights reserved.
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// SPDX-License-Identifier: MIT
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package foreachref_test
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import (
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"errors"
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"fmt"
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"io"
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"strings"
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"testing"
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"github.com/hanzoai/git/modules/git/foreachref"
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"github.com/hanzoai/git/modules/json"
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"github.com/stretchr/testify/require"
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)
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type refSlice = []map[string]string
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func TestParser(t *testing.T) {
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tests := []struct {
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name string
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givenFormat foreachref.Format
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givenInput io.Reader
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wantRefs refSlice
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wantErr bool
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expectedErr error
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}{
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// this would, for example, be the result when running `git
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// for-each-ref refs/tags` on a repo without tags.
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{
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name: "no references on empty input",
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givenFormat: foreachref.NewFormat("refname:short"),
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givenInput: strings.NewReader(``),
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wantRefs: []map[string]string{},
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},
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// note: `git for-each-ref` will add a newline between every
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// reference (in addition to the ref-delimiter we've chosen)
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{
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name: "single field requested, single reference in output",
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givenFormat: foreachref.NewFormat("refname:short"),
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givenInput: strings.NewReader("refname:short v0.0.1\x00\x00" + "\n"),
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wantRefs: []map[string]string{
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{"refname:short": "v0.0.1"},
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},
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},
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{
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name: "single field requested, multiple references in output",
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givenFormat: foreachref.NewFormat("refname:short"),
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givenInput: strings.NewReader(
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"refname:short v0.0.1\x00\x00" + "\n" +
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"refname:short v0.0.2\x00\x00" + "\n" +
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"refname:short v0.0.3\x00\x00" + "\n"),
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wantRefs: []map[string]string{
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{"refname:short": "v0.0.1"},
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{"refname:short": "v0.0.2"},
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{"refname:short": "v0.0.3"},
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},
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},
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{
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name: "multiple fields requested for each reference",
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givenFormat: foreachref.NewFormat("refname:short", "objecttype", "objectname"),
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givenInput: strings.NewReader(
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"refname:short v0.0.1\x00objecttype commit\x00objectname 7b2c5ac9fc04fc5efafb60700713d4fa609b777b\x00\x00" + "\n" +
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"refname:short v0.0.2\x00objecttype commit\x00objectname a1f051bc3eba734da4772d60e2d677f47cf93ef4\x00\x00" + "\n" +
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"refname:short v0.0.3\x00objecttype commit\x00objectname ef82de70bb3f60c65fb8eebacbb2d122ef517385\x00\x00" + "\n",
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),
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wantRefs: []map[string]string{
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{
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"refname:short": "v0.0.1",
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"objecttype": "commit",
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"objectname": "7b2c5ac9fc04fc5efafb60700713d4fa609b777b",
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},
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{
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"refname:short": "v0.0.2",
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"objecttype": "commit",
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"objectname": "a1f051bc3eba734da4772d60e2d677f47cf93ef4",
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},
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{
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"refname:short": "v0.0.3",
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"objecttype": "commit",
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"objectname": "ef82de70bb3f60c65fb8eebacbb2d122ef517385",
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},
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},
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},
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{
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name: "must handle multi-line fields such as 'content'",
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givenFormat: foreachref.NewFormat("refname:short", "contents", "author"),
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givenInput: strings.NewReader(
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"refname:short v0.0.1\x00contents Create new buffer if not present yet (#549)\n\nFixes a nil dereference when ProcessFoo is used\nwith multiple commands.\x00author Foo Bar <[email protected]> 1507832733 +0200\x00\x00" + "\n" +
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"refname:short v0.0.2\x00contents Update CI config (#651)\n\n\x00author John Doe <[email protected]> 1521643174 +0000\x00\x00" + "\n" +
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"refname:short v0.0.3\x00contents Fixed code sample for bash completion (#687)\n\n\x00author Foo Baz <[email protected]> 1524836750 +0200\x00\x00" + "\n",
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),
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wantRefs: []map[string]string{
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{
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"refname:short": "v0.0.1",
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"contents": "Create new buffer if not present yet (#549)\n\nFixes a nil dereference when ProcessFoo is used\nwith multiple commands.",
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"author": "Foo Bar <[email protected]> 1507832733 +0200",
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},
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{
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"refname:short": "v0.0.2",
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"contents": "Update CI config (#651)\n\n",
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"author": "John Doe <[email protected]> 1521643174 +0000",
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},
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{
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"refname:short": "v0.0.3",
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"contents": "Fixed code sample for bash completion (#687)\n\n",
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"author": "Foo Baz <[email protected]> 1524836750 +0200",
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},
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},
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},
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{
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name: "must handle fields without values",
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givenFormat: foreachref.NewFormat("refname:short", "object", "objecttype"),
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givenInput: strings.NewReader(
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"refname:short v0.0.1\x00object \x00objecttype commit\x00\x00" + "\n" +
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"refname:short v0.0.2\x00object \x00objecttype commit\x00\x00" + "\n" +
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"refname:short v0.0.3\x00object \x00objecttype commit\x00\x00" + "\n",
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),
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wantRefs: []map[string]string{
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{
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"refname:short": "v0.0.1",
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"object": "",
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"objecttype": "commit",
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},
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{
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"refname:short": "v0.0.2",
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"object": "",
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"objecttype": "commit",
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},
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{
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"refname:short": "v0.0.3",
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"object": "",
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"objecttype": "commit",
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},
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},
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},
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{
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name: "must fail when the number of fields in the input doesn't match expected format",
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givenFormat: foreachref.NewFormat("refname:short", "objecttype", "objectname"),
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givenInput: strings.NewReader(
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"refname:short v0.0.1\x00objecttype commit\x00\x00" + "\n" +
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"refname:short v0.0.2\x00objecttype commit\x00\x00" + "\n" +
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"refname:short v0.0.3\x00objecttype commit\x00\x00" + "\n",
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),
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wantErr: true,
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expectedErr: errors.New("unexpected number of reference fields: wanted 2, was 3"),
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},
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{
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name: "must fail input fields don't match expected format",
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givenFormat: foreachref.NewFormat("refname:short", "objectname"),
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givenInput: strings.NewReader(
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"refname:short v0.0.1\x00objecttype commit\x00\x00" + "\n" +
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"refname:short v0.0.2\x00objecttype commit\x00\x00" + "\n" +
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"refname:short v0.0.3\x00objecttype commit\x00\x00" + "\n",
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),
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wantErr: true,
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expectedErr: errors.New("unexpected field name at position 1: wanted: 'objectname', was: 'objecttype'"),
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},
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}
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for _, test := range tests {
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tc := test // don't close over loop variable
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t.Run(tc.name, func(t *testing.T) {
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parser := tc.givenFormat.Parser(tc.givenInput)
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//
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// parse references from input
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//
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gotRefs := make([]map[string]string, 0)
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for {
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ref := parser.Next()
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if ref == nil {
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break
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}
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gotRefs = append(gotRefs, ref)
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}
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err := parser.Err()
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//
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// verify expectations
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//
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if tc.wantErr {
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require.Error(t, err)
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require.EqualError(t, err, tc.expectedErr.Error())
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} else {
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require.NoError(t, err, "for-each-ref parser unexpectedly failed with: %v", err)
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require.Equal(t, tc.wantRefs, gotRefs, "for-each-ref parser produced unexpected reference set. wanted: %v, got: %v", pretty(tc.wantRefs), pretty(gotRefs))
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}
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})
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}
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}
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func pretty(v any) string {
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data, err := json.MarshalIndent(v, "", " ")
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if err != nil {
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// shouldn't happen
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panic(fmt.Sprintf("json-marshalling failed: %v", err))
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}
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return string(data)
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}
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