Initial framework for unit testing.

icculus · Apr 9, 2009 · d6806ce · d6806ce
1 parent e8e9210
commit d6806ce
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diff --git a/unit_tests/preprocessor/output/nested-macro-args b/unit_tests/preprocessor/output/nested-macro-args
@@ -0,0 +1,6 @@
+/* This should produce "RIGHT" instead of "WRONG" */
+#define x(a) a
+#define y(WRONG) x(WRONG)
+
+y(RIGHT)
+
diff --git a/unit_tests/preprocessor/output/nested-macro-args.correct b/unit_tests/preprocessor/output/nested-macro-args.correct
@@ -0,0 +1 @@
+RIGHT
diff --git a/unit_tests/run_tests.pl b/unit_tests/run_tests.pl
@@ -0,0 +1,133 @@
+#!/usr/bin/perl -w
+
+use warnings;
+use strict;
+use Digest::SHA1;
+
+use FindBin qw($Bin);
+my $testdir = $Bin;
+undef $Bin;
+#print("testdir is $testdir\n");
+
+my @modules = qw(
+    preprocessor
+    assembler
+    compiler
+    parser
+);
+
+
+sub compare_files {
+    my ($a, $b, $endlines) = @_;
+
+    if (not open(FILE1, '<', $a)) {
+        return (0, "Couldn't open '$a' for checksum");
+    }
+    if (not open(FILE2, '<', $b)) {
+        close(FILE1);
+        return (0, "Couldn't open '$b' for checksum");
+    }
+
+    my $sha1 = Digest::SHA1->new;
+    my $sha2 = Digest::SHA1->new;
+
+    if (not $endlines) {
+        $sha1->addfile(*FILE1);
+        $sha2->addfile(*FILE2);
+    } else {
+        while (<FILE1>) { s/[\r\n]//g; $sha1->add($_); }
+        while (<FILE2>) { s/[\r\n]//g; $sha2->add($_); }
+    }
+
+    close(FILE1);
+    close(FILE2);
+
+    if ($sha1->hexdigest ne $sha2->hexdigest) {
+        return (0, "Result doesn't match expectations");
+    }
+
+    return (1);
+}
+
+my %tests = ();
+
+$tests{'output'} = sub {
+    my ($module, $fname) = @_;
+    my $output = 'unittest_tempoutput';
+    my $desired = $fname . '.correct';
+    my $cmd = undef;
+    my $endlines = 1;
+
+    # !!! FIXME: this should go elsewhere.
+    if ($module eq 'preprocessor') {
+        $cmd = "./mojoshader-compiler -P '$fname' -o '$output'";
+    } else {
+        return (0, "Don't know how to do this module type");
+    }
+
+    if (system($cmd) != 0) {
+        unlink($output) if (-f $output);
+        return (0, "External program reported error");
+    }
+
+    if (not -f $output) { return (0, "Didn't get any output file"); }
+
+    my @retval = compare_files($desired, $output, $endlines);
+    unlink($output);
+    return @retval;
+};
+
+
+my $totaltests = 0;
+my $pass = 0;
+my $fail = 0;
+my $skip = 0;
+
+my $result = '';
+foreach (@modules) {
+    my $module = $_;
+    foreach (keys %tests) {
+        my $testtype = $_;
+        my $fn = $tests{$_};
+        my $d = "$testdir/$module/$testtype";
+        next if (not -d $d);  # no tests at the moment.
+        opendir(TESTDIR, $d) || die("Failed to open dir '$d': $!\n");
+        print(" ... $module / $testtype ...\n");
+        my $fname = readdir(TESTDIR);
+        while (defined $fname) {
+            my $origfname = $fname;
+            $fname = readdir(TESTDIR);  # set for next iteration.
+            next if (-d $origfname);
+            next if ($origfname =~ /\.correct\Z/);
+            my $fullfname = "$d/$origfname";
+            my ($rc, $reason) = &$fn($module, $fullfname);
+            if ($rc == 1) {
+                $result = 'PASS';
+                $pass++;
+            } elsif ($rc == 0) {
+                $result = 'FAIL';
+                $fail++;
+            } elsif ($rc == -1) {
+                $result = 'SKIP';
+                $skip++;
+            }
+
+            if (defined $reason) {
+                $reason = " ($reason)";
+            } else {
+                $reason = '';
+            }
+            print("$result ${origfname}${reason}\n");
+
+            $totaltests++;
+        }
+        closedir(TESTDIR);
+    }
+}
+
+print("\n$totaltests tests, $pass passed, $fail failed, $skip skipped.\n\n");
+
+exit(($fail > 0) ? 1 : 0);
+
+# end if run_tests.pl ...
+