1 files changed, 107 insertions, 0 deletions
diff --git a/t/edit_file.t b/t/edit_file.t
new file mode 100644
index 0000000..240103a
--- /dev/null
+++ b/t/edit_file.t
@@ -0,0 +1,107 @@
+
+use strict ;
+use warnings ;
+
+use lib qw(t) ;
+
+use File::Slurp qw( :edit read_file write_file ) ;
+use Test::More ;
+
+use TestDriver ;
+
+my $file = 'edit_file_data' ;
+
+my $existing_data = <<PRE ;
+line 1
+line 2
+more
+foo
+bar
+junk here and foo
+last line
+PRE
+
+my $tests = [
+	{
+		name	=> 'edit_file - no-op',
+		sub	=> \&edit_file,
+		pretest	=> sub {
+			my( $test ) = @_ ;
+			write_file( $file, $existing_data ) ;
+			$test->{args} = [
+				sub {},
+				$file
+			] ;
+			$test->{expected} = $existing_data ;
+		},
+		posttest => sub { $_[0]->{result} = read_file( $file ) },
+	},
+	{
+
+		name	=> 'edit_file - s/foo/bar/',
+		sub	=> \&edit_file,
+		pretest	=> sub {
+			my( $test ) = @_ ;
+			write_file( $file, $existing_data ) ;
+			$test->{args} = [
+				sub { s/foo/bar/g },
+				$file
+			] ;
+			( $test->{expected} = $existing_data )
+				=~ s/foo/bar/g ;
+		},
+		posttest => sub { $_[0]->{result} = read_file( $file ) },
+	},
+	{
+
+		name	=> 'edit_file - upper first words',
+		sub	=> \&edit_file,
+		pretest	=> sub {
+			my( $test ) = @_ ;
+			write_file( $file, $existing_data ) ;
+			$test->{args} = [
+				sub { s/^(\w+)/\U$1/gm },
+				$file
+			] ;
+			( $test->{expected} = $existing_data )
+				=~ s/^(\w+)/\U$1/gm ;
+		},
+		posttest => sub { $_[0]->{result} = read_file( $file ) },
+	},
+	{
+		name	=> 'edit_file_lines - no-op',
+		sub	=> \&edit_file_lines,
+		pretest	=> sub {
+			my( $test ) = @_ ;
+			write_file( $file, $existing_data ) ;
+			$test->{args} = [
+				sub {},
+				$file
+			] ;
+			$test->{expected} = $existing_data ;
+		},
+		posttest => sub { $_[0]->{result} = read_file( $file ) },
+	},
+	{
+
+		name	=> 'edit_file - delete foo lines',
+		sub	=> \&edit_file_lines,
+		pretest	=> sub {
+			my( $test ) = @_ ;
+			write_file( $file, $existing_data ) ;
+			$test->{args} = [
+				sub { $_ = '' if /foo/ },
+				$file
+			] ;
+			( $test->{expected} = $existing_data )
+				=~ s/^.*foo.*\n//gm ;
+		},
+		posttest => sub { $_[0]->{result} = read_file( $file ) },
+	},
+] ;
+
+test_driver( $tests ) ;
+
+unlink $file ;
+
+exit ;