Function TestAdjustLineNumber

pkg/commands/patch/patch_test.go:658–712

(t *testing.T)

}

func TestAdjustLineNumber(t *testing.T) {
	type scenario struct {
		oldLineNumbers  []int
		expectedResults []int
	}
	scenarios := []scenario{
		{
			oldLineNumbers:  []int{1, 2, 3, 4, 5, 6, 7},
			expectedResults: []int{1, 2, 2, 3, 4, 7, 8},
		},
	}

	// The following diff was generated from old.txt:
	//   1
	//   2a
	//   2b
	//   3
	//   4
	//   7
	//   8
	// against new.txt:
	//   1
	//   2
	//   3
	//   4
	//   5
	//   6
	//   7
	//   8

	// This test setup makes the test easy to understand, because the resulting
	// adjusted line numbers are the same as the content of the lines in new.txt.

	diff := `--- old.txt	2024-12-16 18:04:29
+++ new.txt	2024-12-16 18:04:27
@@ -2,2 +2 @@
-2a
-2b
+2
@@ -5,0 +5,2 @@
+5
+6
`

	patch := Parse(diff)

	for _, s := range scenarios {
		t.Run("TestAdjustLineNumber", func(t *testing.T) {
			for idx, oldLineNumber := range s.oldLineNumbers {
				result := patch.AdjustLineNumber(oldLineNumber)
				assert.Equal(t, s.expectedResults[idx], result)
			}
		})
	}
}

func TestIsSingleHunkForWholeFile(t *testing.T) {
	scenarios := []struct {