this repo has no description
Add tests for finding the next file header
Primarily check that leading non-header content is ignored and that
special errors (like detached fragment headers) are raised.
+87
+87
gitdiff/parser_test.go
+87
gitdiff/parser_test.go
···
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import (
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"bufio"
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"io"
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"os"
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"reflect"
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"strings"
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"testing"
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)
···
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if test.EndLine != p.Line(0) {
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t.Errorf("incorrect position after parsing\nexpected: %q\nactual: %q", test.EndLine, p.Line(0))
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}
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})
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}
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}
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func TestParseNextFileHeader(t *testing.T) {
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tests := map[string]struct {
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Input string
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Output *File
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Err bool
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}{
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"gitHeader": {
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Input: `commit 1acbae563cd6ef5750a82ee64e116c6eb065cb94
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Author: Morton Haypenny <mhaypenny@example.com>
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Date: Tue Apr 2 22:30:00 2019 -0700
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This is a sample commit message.
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diff --git a/file.txt b/file.txt
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index cc34da1..1acbae5 100644
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--- a/file.txt
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+++ b/file.txt
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@@ -1,3 +1,4 @@
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`,
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Output: &File{
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OldName: "file.txt",
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NewName: "file.txt",
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OldMode: os.FileMode(0100644),
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OldOIDPrefix: "cc34da1",
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NewOIDPrefix: "1acbae5",
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},
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},
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"traditionalHeader": {
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Input: `
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--- file.txt 2019-04-01 22:58:14.833597918 -0700
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+++ file.txt 2019-04-01 22:58:14.833597918 -0700
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@@ -1,3 +1,4 @@
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`,
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Output: &File{
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OldName: "file.txt",
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NewName: "file.txt",
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},
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},
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"noHeaders": {
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Input: `
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this is a line
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this is another line
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--- could this be a header?
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nope, it's just some dashes
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`,
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Output: nil,
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},
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"detatchedFragmentLike": {
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Input: `
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a wild fragment appears?
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@@ -1,3 +1,4 ~1,5 @@
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`,
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Output: nil,
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},
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"detatchedFragment": {
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Input: `
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a wild fragment appears?
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@@ -1,3 +1,4 @@
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`,
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Err: true,
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},
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}
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for name, test := range tests {
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t.Run(name, func(t *testing.T) {
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p := newTestParser(test.Input, true)
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f, err := p.ParseNextFileHeader()
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if test.Err {
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if err == nil || err == io.EOF {
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t.Fatalf("expected error parsing next file header, but got %v", err)
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}
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return
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}
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if err != nil {
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t.Fatalf("unexpected error parsing next file header: %v", err)
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}
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if !reflect.DeepEqual(test.Output, f) {
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t.Errorf("incorrect file\nexpected: %+v\nactual: %+v", test.Output, f)
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}
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})
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}