Monorepo for Tangled tangled.org

appview/fragments/diff, types/diff: fix anchor on deleted files for sidebar navigation

Signed-off-by: Evan Jarrett <evan@evanjarrett.com>

Changed files
+116 -1
appview
pages
templates
repo
fragments
types
+1 -1
appview/pages/templates/repo/fragments/diff.html
··· 17 17 {{ else }} 18 18 {{ range $idx, $hunk := $diff }} 19 19 {{ with $hunk }} 20 - <details open id="file-{{ .Name.New }}" class="group border border-gray-200 dark:border-gray-700 w-full mx-auto rounded bg-white dark:bg-gray-800 drop-shadow-sm" tabindex="{{ add $idx 1 }}"> 20 + <details open id="file-{{ .Id }}" class="group border border-gray-200 dark:border-gray-700 w-full mx-auto rounded bg-white dark:bg-gray-800 drop-shadow-sm" tabindex="{{ add $idx 1 }}"> 21 21 <summary class="list-none cursor-pointer sticky top-0"> 22 22 <div id="diff-file-header" class="rounded cursor-pointer bg-white dark:bg-gray-800 flex justify-between"> 23 23 <div id="left-side-items" class="p-2 flex gap-2 items-center overflow-x-auto">
+3
types/diff.go
··· 74 74 75 75 // used by html elements as a unique ID for hrefs 76 76 func (d *Diff) Id() string { 77 + if d.IsDelete { 78 + return d.Name.Old 79 + } 77 80 return d.Name.New 78 81 } 79 82
+112
types/diff_test.go
··· 1 + package types 2 + 3 + import "testing" 4 + 5 + func TestDiffId(t *testing.T) { 6 + tests := []struct { 7 + name string 8 + diff Diff 9 + expected string 10 + }{ 11 + { 12 + name: "regular file uses new name", 13 + diff: Diff{ 14 + Name: struct { 15 + Old string `json:"old"` 16 + New string `json:"new"` 17 + }{Old: "", New: "src/main.go"}, 18 + }, 19 + expected: "src/main.go", 20 + }, 21 + { 22 + name: "new file uses new name", 23 + diff: Diff{ 24 + Name: struct { 25 + Old string `json:"old"` 26 + New string `json:"new"` 27 + }{Old: "", New: "src/new.go"}, 28 + IsNew: true, 29 + }, 30 + expected: "src/new.go", 31 + }, 32 + { 33 + name: "deleted file uses old name", 34 + diff: Diff{ 35 + Name: struct { 36 + Old string `json:"old"` 37 + New string `json:"new"` 38 + }{Old: "src/deleted.go", New: ""}, 39 + IsDelete: true, 40 + }, 41 + expected: "src/deleted.go", 42 + }, 43 + { 44 + name: "renamed file uses new name", 45 + diff: Diff{ 46 + Name: struct { 47 + Old string `json:"old"` 48 + New string `json:"new"` 49 + }{Old: "src/old.go", New: "src/renamed.go"}, 50 + IsRename: true, 51 + }, 52 + expected: "src/renamed.go", 53 + }, 54 + } 55 + 56 + for _, tt := range tests { 57 + t.Run(tt.name, func(t *testing.T) { 58 + if got := tt.diff.Id(); got != tt.expected { 59 + t.Errorf("Diff.Id() = %q, want %q", got, tt.expected) 60 + } 61 + }) 62 + } 63 + } 64 + 65 + func TestChangedFilesMatchesDiffId(t *testing.T) { 66 + // ChangedFiles() must return values matching each Diff's Id() 67 + // so that sidebar links point to the correct anchors. 68 + // Tests existing, deleted, new, and renamed files. 69 + nd := NiceDiff{ 70 + Diff: []Diff{ 71 + { 72 + Name: struct { 73 + Old string `json:"old"` 74 + New string `json:"new"` 75 + }{Old: "", New: "src/modified.go"}, 76 + }, 77 + { 78 + Name: struct { 79 + Old string `json:"old"` 80 + New string `json:"new"` 81 + }{Old: "src/deleted.go", New: ""}, 82 + IsDelete: true, 83 + }, 84 + { 85 + Name: struct { 86 + Old string `json:"old"` 87 + New string `json:"new"` 88 + }{Old: "", New: "src/new.go"}, 89 + IsNew: true, 90 + }, 91 + { 92 + Name: struct { 93 + Old string `json:"old"` 94 + New string `json:"new"` 95 + }{Old: "src/old.go", New: "src/renamed.go"}, 96 + IsRename: true, 97 + }, 98 + }, 99 + } 100 + 101 + changedFiles := nd.ChangedFiles() 102 + 103 + if len(changedFiles) != len(nd.Diff) { 104 + t.Fatalf("ChangedFiles() returned %d items, want %d", len(changedFiles), len(nd.Diff)) 105 + } 106 + 107 + for i, diff := range nd.Diff { 108 + if changedFiles[i] != diff.Id() { 109 + t.Errorf("ChangedFiles()[%d] = %q, but Diff.Id() = %q", i, changedFiles[i], diff.Id()) 110 + } 111 + } 112 + }