Start adding tests for the Rosalind examples

Author: paultcochrane

t/categories/rosalind.t

@@ -0,0 +1,113 @@
+use v6;
+
+use Test;
+
+plan 5;
+
+subtest {
+    plan 1;
+
+    my $problem = "afrq";
+    my @authors = <grondilu>;
+    my $expected-output = "0.532 0.75 0.914";
+
+    for @authors -> $author {
+        my $name = "$problem-$author.pl";
+        my $output = run-example($name);
+        is($output.chomp, $expected-output, $name);
+    }
+
+}, "afrq";
+
+subtest {
+    plan 1;
+
+    my $problem = "aspc";
+    my @authors = <grondilu>;
+    my $expected-output = 42;
+
+    for @authors -> $author {
+        my $name = "$problem-$author.pl";
+        my $output = run-example($name);
+        is($output.chomp, $expected-output, $name);
+    }
+
+}, "aspc";
+
+subtest {
+    plan 1;
+
+    my $problem = "cons";
+    my @authors = <grondilu>;
+    my $expected-output = q:to/EOD/;
+    ATGCAACT
+    A: 5 1 0 0 5 5 0 0
+    C: 0 0 1 4 2 0 6 1
+    G: 1 1 6 3 0 1 0 0
+    T: 1 5 0 0 0 1 1 6
+    EOD
+
+    for @authors -> $author {
+        my $name = "$problem-$author.pl";
+        my $output = run-example($name);
+        is($output.chomp, $expected-output.chomp, $name);
+    }
+
+}, "cons";
+
+subtest {
+    plan 1;
+
+    my $problem = "conv";
+    my @authors = <grondilu>;
+    my $expected-output = q:to/EOD/;
+    3
+    85.03163
+    EOD
+
+    for @authors -> $author {
+        my $name = "$problem-$author.pl";
+        my $output = run-example($name);
+        is($output.chomp, $expected-output.chomp, $name);
+    }
+
+}, "conv";
+
+subtest {
+    plan 1;
+
+    my $problem = "cstr";
+    my @authors = <grondilu>;
+    my $expected-output = q:to/EOD/;
+    10110
+    10100
+    EOD
+
+    for @authors -> $author {
+        my $name = "$problem-$author.pl";
+        my $output = run-example($name);
+        is($output.chomp, $expected-output.chomp, $name);
+    }
+
+}, "cstr";
+
+#| check examples provided by the given authors
+sub check-example-solutions($problem, $expected-output, @authors) {
+    for @authors -> $author {
+        my $name = "$problem-$author.pl";
+        my $output = run-example($name);
+        is($output.chomp, $expected-output, $name);
+    }
+}
+
+#| run the given example script
+sub run-example($name) {
+    my $base-dir = "categories/rosalind";
+    my $script-path = $base-dir ~ "/" ~ $name;
+    my $base-cmd = "perl6 $script-path";
+    my $output = qqx{$base-cmd};
+
+    return $output;
+}
+
+# vim: expandtab shiftwidth=4 ft=perl6