Function TestShortenImageDigest

cmd/validate/vsa_test.go:1587–1636

TestShortenImageDigest tests the shortenImageDigest helper function

(t *testing.T)

// TestShortenImageDigest tests the shortenImageDigest helper function
func TestShortenImageDigest(t *testing.T) {
	tests := []struct {
		name     string
		imageRef string
		expected string
	}{
		{
			name:     "image with sha256 digest",
			imageRef: "registry.com/repo@sha256:abcdef1234567890abcdef1234567890abcdef1234567890abcdef1234567890",
			expected: "abcdef12",
		},
		{
			name:     "image with short digest",
			imageRef: "registry.com/repo@sha256:abc123",
			expected: "abc123",
		},
		{
			name:     "image with digest without sha256 prefix",
			imageRef: "registry.com/repo@abcdef1234567890",
			expected: "abcdef12",
		},
		{
			name:     "image without digest, long ref",
			imageRef: "registry.com/very/long/repository/path/image:tag",
			expected: "…mage:tag", // Last 8 characters
		},
		{
			name:     "image without digest, short ref",
			imageRef: "image:tag",
			expected: "…mage:tag", // 9 chars, so last 8 with ellipsis
		},
		{
			name:     "image ref with exactly 8 chars",
			imageRef: "img:tag",
			expected: "img:tag",
		},
		{
			name:     "empty string",
			imageRef: "",
			expected: "",
		},
	}

	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			result := shortenImageDigest(tt.imageRef)
			assert.Equal(t, tt.expected, result)
		})
	}
}

// TestExtractFallbackReason tests the extractFallbackReason helper function
func TestExtractFallbackReason(t *testing.T) {