mirror of
https://github.com/bluekeyes/go-gitdiff
synced 2026-06-08 13:18:30 +00:00
Billy Keyes
aa3e0d357e
The parsed OIDs are usually prefixes, not full hashes, so rename the fields appropriately. Also note that values that are too long to be valid OIDs are still accepted by the library.
391 lines
8.3 KiB
Go
391 lines
8.3 KiB
Go
package gitdiff
|
|
|
|
import (
|
|
"os"
|
|
"reflect"
|
|
"testing"
|
|
)
|
|
|
|
func TestCleanName(t *testing.T) {
|
|
tests := map[string]struct {
|
|
Input string
|
|
Drop int
|
|
Output string
|
|
}{
|
|
"alreadyClean": {
|
|
Input: "a/b/c.txt", Output: "a/b/c.txt",
|
|
},
|
|
"doubleSlashes": {
|
|
Input: "a//b/c.txt", Output: "a/b/c.txt",
|
|
},
|
|
"tripleSlashes": {
|
|
Input: "a///b/c.txt", Output: "a/b/c.txt",
|
|
},
|
|
"dropPrefix": {
|
|
Input: "a/b/c.txt", Drop: 2, Output: "c.txt",
|
|
},
|
|
"removeDoublesBeforeDrop": {
|
|
Input: "a//b/c.txt", Drop: 1, Output: "b/c.txt",
|
|
},
|
|
}
|
|
|
|
for name, test := range tests {
|
|
t.Run(name, func(t *testing.T) {
|
|
output := cleanName(test.Input, test.Drop)
|
|
if output != test.Output {
|
|
t.Fatalf("incorrect output: expected %q, actual %q", test.Output, output)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestParseName(t *testing.T) {
|
|
tests := map[string]struct {
|
|
Input string
|
|
Term rune
|
|
Drop int
|
|
Output string
|
|
N int
|
|
Err bool
|
|
}{
|
|
"singleUnquoted": {
|
|
Input: "dir/file.txt", Output: "dir/file.txt", N: 12,
|
|
},
|
|
"singleQuoted": {
|
|
Input: `"dir/file.txt"`, Output: "dir/file.txt", N: 14,
|
|
},
|
|
"quotedWithEscape": {
|
|
Input: `"dir/\"quotes\".txt"`, Output: `dir/"quotes".txt`, N: 20,
|
|
},
|
|
"quotedWithSpaces": {
|
|
Input: `"dir/space file.txt"`, Output: "dir/space file.txt", N: 20,
|
|
},
|
|
"tabTerminator": {
|
|
Input: "dir/space file.txt\tfile2.txt", Term: '\t', Output: "dir/space file.txt", N: 18,
|
|
},
|
|
"dropPrefix": {
|
|
Input: "a/dir/file.txt", Drop: 1, Output: "dir/file.txt", N: 14,
|
|
},
|
|
"multipleNames": {
|
|
Input: "dir/a.txt dir/b.txt", Term: -1, Output: "dir/a.txt", N: 9,
|
|
},
|
|
"devNull": {
|
|
Input: "/dev/null", Term: '\t', Drop: 1, Output: "/dev/null", N: 9,
|
|
},
|
|
"emptyString": {
|
|
Input: "", Err: true,
|
|
},
|
|
"emptyQuotedString": {
|
|
Input: `""`, Err: true,
|
|
},
|
|
"unterminatedQuotes": {
|
|
Input: `"dir/file.txt`, Err: true,
|
|
},
|
|
}
|
|
|
|
for name, test := range tests {
|
|
t.Run(name, func(t *testing.T) {
|
|
output, n, err := parseName(test.Input, test.Term, test.Drop)
|
|
if test.Err {
|
|
if err == nil {
|
|
t.Fatalf("expected error parsing name, but got nil")
|
|
}
|
|
return
|
|
}
|
|
if err != nil {
|
|
t.Fatalf("unexpected error parsing name: %v", err)
|
|
}
|
|
|
|
if output != test.Output {
|
|
t.Errorf("incorect output: expected %q, actual: %q", test.Output, output)
|
|
}
|
|
if n != test.N {
|
|
t.Errorf("incorrect next position: expected %d, actual %d", test.N, n)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestParseGitHeaderData(t *testing.T) {
|
|
tests := map[string]struct {
|
|
InputFile *File
|
|
Line string
|
|
DefaultName string
|
|
|
|
OutputFile *File
|
|
End bool
|
|
Err bool
|
|
}{
|
|
"fragementEndsParsing": {
|
|
Line: "@@ -12,3 +12,2 @@\n",
|
|
End: true,
|
|
},
|
|
"unknownEndsParsing": {
|
|
Line: "GIT binary file\n",
|
|
End: true,
|
|
},
|
|
"oldFileName": {
|
|
Line: "--- a/dir/file.txt\n",
|
|
OutputFile: &File{
|
|
OldName: "dir/file.txt",
|
|
},
|
|
},
|
|
"oldFileNameDevNull": {
|
|
InputFile: &File{
|
|
IsNew: true,
|
|
},
|
|
Line: "--- /dev/null\n",
|
|
OutputFile: &File{
|
|
IsNew: true,
|
|
},
|
|
},
|
|
"oldFileNameInconsistent": {
|
|
InputFile: &File{
|
|
OldName: "dir/foo.txt",
|
|
},
|
|
Line: "--- a/dir/bar.txt\n",
|
|
Err: true,
|
|
},
|
|
"oldFileNameExistingCreateMismatch": {
|
|
InputFile: &File{
|
|
OldName: "dir/foo.txt",
|
|
IsNew: true,
|
|
},
|
|
Line: "--- /dev/null\n",
|
|
Err: true,
|
|
},
|
|
"oldFileNameParsedCreateMismatch": {
|
|
InputFile: &File{
|
|
IsNew: true,
|
|
},
|
|
Line: "--- a/dir/file.txt\n",
|
|
Err: true,
|
|
},
|
|
"oldFileNameMissing": {
|
|
Line: "--- \n",
|
|
Err: true,
|
|
},
|
|
"newFileName": {
|
|
Line: "+++ b/dir/file.txt\n",
|
|
OutputFile: &File{
|
|
NewName: "dir/file.txt",
|
|
},
|
|
},
|
|
"newFileNameDevNull": {
|
|
InputFile: &File{
|
|
IsDelete: true,
|
|
},
|
|
Line: "+++ /dev/null\n",
|
|
OutputFile: &File{
|
|
IsDelete: true,
|
|
},
|
|
},
|
|
"newFileNameInconsistent": {
|
|
InputFile: &File{
|
|
NewName: "dir/foo.txt",
|
|
},
|
|
Line: "+++ b/dir/bar.txt\n",
|
|
Err: true,
|
|
},
|
|
"newFileNameExistingDeleteMismatch": {
|
|
InputFile: &File{
|
|
NewName: "dir/foo.txt",
|
|
IsDelete: true,
|
|
},
|
|
Line: "+++ /dev/null\n",
|
|
Err: true,
|
|
},
|
|
"newFileNameParsedDeleteMismatch": {
|
|
InputFile: &File{
|
|
IsDelete: true,
|
|
},
|
|
Line: "+++ b/dir/file.txt\n",
|
|
Err: true,
|
|
},
|
|
"newFileNameMissing": {
|
|
Line: "+++ \n",
|
|
Err: true,
|
|
},
|
|
"oldMode": {
|
|
Line: "old mode 100644\n",
|
|
OutputFile: &File{
|
|
OldMode: os.FileMode(0100644),
|
|
},
|
|
},
|
|
"invalidOldMode": {
|
|
Line: "old mode rw\n",
|
|
Err: true,
|
|
},
|
|
"newMode": {
|
|
Line: "new mode 100755\n",
|
|
OutputFile: &File{
|
|
NewMode: os.FileMode(0100755),
|
|
},
|
|
},
|
|
"invalidNewMode": {
|
|
Line: "new mode rwx\n",
|
|
Err: true,
|
|
},
|
|
"deletedFileMode": {
|
|
Line: "deleted file mode 100644\n",
|
|
DefaultName: "dir/file.txt",
|
|
OutputFile: &File{
|
|
OldName: "dir/file.txt",
|
|
OldMode: os.FileMode(0100644),
|
|
IsDelete: true,
|
|
},
|
|
},
|
|
"newFileMode": {
|
|
Line: "new file mode 100755\n",
|
|
DefaultName: "dir/file.txt",
|
|
OutputFile: &File{
|
|
NewName: "dir/file.txt",
|
|
NewMode: os.FileMode(0100755),
|
|
IsNew: true,
|
|
},
|
|
},
|
|
"copyFrom": {
|
|
Line: "copy from dir/file.txt\n",
|
|
OutputFile: &File{
|
|
OldName: "dir/file.txt",
|
|
IsCopy: true,
|
|
},
|
|
},
|
|
"copyTo": {
|
|
Line: "copy to dir/file.txt\n",
|
|
OutputFile: &File{
|
|
NewName: "dir/file.txt",
|
|
IsCopy: true,
|
|
},
|
|
},
|
|
"renameFrom": {
|
|
Line: "rename from dir/file.txt\n",
|
|
OutputFile: &File{
|
|
OldName: "dir/file.txt",
|
|
IsRename: true,
|
|
},
|
|
},
|
|
"renameTo": {
|
|
Line: "rename to dir/file.txt\n",
|
|
OutputFile: &File{
|
|
NewName: "dir/file.txt",
|
|
IsRename: true,
|
|
},
|
|
},
|
|
"similarityIndex": {
|
|
Line: "similarity index 88\n",
|
|
OutputFile: &File{
|
|
Score: 88,
|
|
},
|
|
},
|
|
"similarityIndexTooBig": {
|
|
Line: "similarity index 9001\n",
|
|
OutputFile: &File{
|
|
Score: 0,
|
|
},
|
|
},
|
|
"similarityIndexInvalid": {
|
|
Line: "similarity index 12ab\n",
|
|
Err: true,
|
|
},
|
|
"indexFullSHA1AndMode": {
|
|
Line: "index 79c6d7f7b7e76c75b3d238f12fb1323f2333ba14..04fab916d8f938173cbb8b93469855f0e838f098 100644\n",
|
|
OutputFile: &File{
|
|
OldOIDPrefix: "79c6d7f7b7e76c75b3d238f12fb1323f2333ba14",
|
|
NewOIDPrefix: "04fab916d8f938173cbb8b93469855f0e838f098",
|
|
OldMode: os.FileMode(0100644),
|
|
},
|
|
},
|
|
"indexFullSHA1NoMode": {
|
|
Line: "index 79c6d7f7b7e76c75b3d238f12fb1323f2333ba14..04fab916d8f938173cbb8b93469855f0e838f098\n",
|
|
OutputFile: &File{
|
|
OldOIDPrefix: "79c6d7f7b7e76c75b3d238f12fb1323f2333ba14",
|
|
NewOIDPrefix: "04fab916d8f938173cbb8b93469855f0e838f098",
|
|
},
|
|
},
|
|
"indexAbbrevSHA1AndMode": {
|
|
Line: "index 79c6d7..04fab9 100644\n",
|
|
OutputFile: &File{
|
|
OldOIDPrefix: "79c6d7",
|
|
NewOIDPrefix: "04fab9",
|
|
OldMode: os.FileMode(0100644),
|
|
},
|
|
},
|
|
"indexInvalid": {
|
|
Line: "index 79c6d7f7b7e76c75b3d238f12fb1323f2333ba14\n",
|
|
Err: true,
|
|
},
|
|
}
|
|
|
|
for name, test := range tests {
|
|
t.Run(name, func(t *testing.T) {
|
|
var f File
|
|
if test.InputFile != nil {
|
|
f = *test.InputFile
|
|
}
|
|
|
|
end, err := parseGitHeaderData(&f, test.Line, test.DefaultName)
|
|
if test.Err {
|
|
if err == nil {
|
|
t.Fatalf("expected error parsing header data, but got nil")
|
|
}
|
|
return
|
|
}
|
|
if err != nil {
|
|
t.Fatalf("unexpected error parsing header data: %v", err)
|
|
}
|
|
|
|
if test.OutputFile != nil && !reflect.DeepEqual(test.OutputFile, &f) {
|
|
t.Errorf("incorrect output:\nexpected: %+v\nactual: %+v", test.OutputFile, &f)
|
|
}
|
|
if end != test.End {
|
|
t.Errorf("incorrect end state, expected %t, actual %t", test.End, end)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestParseGitHeaderName(t *testing.T) {
|
|
tests := map[string]struct {
|
|
Input string
|
|
Output string
|
|
Err bool
|
|
}{
|
|
"twoMatchingNames": {
|
|
Input: "a/dir/file.txt b/dir/file.txt",
|
|
Output: "dir/file.txt",
|
|
},
|
|
"twoDifferentNames": {
|
|
Input: "a/dir/foo.txt b/dir/bar.txt",
|
|
Output: "",
|
|
},
|
|
"missingSecondName": {
|
|
Input: "a/dir/foo.txt",
|
|
Err: true,
|
|
},
|
|
"invalidName": {
|
|
Input: `"a/dir/file.txt b/dir/file.txt`,
|
|
Err: true,
|
|
},
|
|
}
|
|
|
|
for name, test := range tests {
|
|
t.Run(name, func(t *testing.T) {
|
|
output, err := parseGitHeaderName(test.Input)
|
|
if test.Err {
|
|
if err == nil {
|
|
t.Fatalf("expected error parsing header name, but got nil")
|
|
}
|
|
return
|
|
}
|
|
if err != nil {
|
|
t.Fatalf("unexpected error parsing header name: %v", err)
|
|
}
|
|
|
|
if output != test.Output {
|
|
t.Errorf("incorrect output: expected %q, actual %q", test.Output, output)
|
|
}
|
|
})
|
|
}
|
|
}
|