Function TestTransform

pkg/commands/patch/patch_test.go:147–537

(t *testing.T)

`

func TestTransform(t *testing.T) {
	type scenario struct {
		testName       string
		filename       string
		diffText       string
		firstLineIndex int
		lastLineIndex  int
		reverse        bool
		expected       string
	}

	scenarios := []scenario{
		{
			testName:       "nothing selected",
			filename:       "filename",
			firstLineIndex: -1,
			lastLineIndex:  -1,
			diffText:       simpleDiff,
			expected:       "",
		},
		{
			testName:       "only context selected",
			filename:       "filename",
			firstLineIndex: 5,
			lastLineIndex:  5,
			diffText:       simpleDiff,
			expected:       "",
		},
		{
			testName:       "whole range selected",
			filename:       "filename",
			firstLineIndex: 0,
			lastLineIndex:  11,
			diffText:       simpleDiff,
			expected: `--- a/filename
+++ b/filename
@@ -1,5 +1,5 @@
 apple
-orange
+grape
 ...
 ...
 ...
`,
		},
		{
			testName:       "only removal selected",
			filename:       "filename",
			firstLineIndex: 6,
			lastLineIndex:  6,
			diffText:       simpleDiff,
			expected: `--- a/filename
+++ b/filename
@@ -1,5 +1,4 @@
 apple
-orange
 ...
 ...