1 files changed, 65 insertions, 0 deletions
diff --git a/xt/cli/snapshot.t b/xt/cli/snapshot.t
new file mode 100644
index 0000000..b036af7
--- /dev/null
+++ b/xt/cli/snapshot.t
@@ -0,0 +1,65 @@
+use strict;
+use Test::More;
+use xt::CLI;
+
+subtest 'snapshot file has canonical representation' => sub {
+    my $app = cli();
+    $app->write_cpanfile(<<EOF);
+requires 'Try::Tiny', '== 0.11';
+requires 'Getopt::Long', '2.41';
+EOF
+
+    $app->run("install");
+
+    my $content = $app->dir->child('cpanfile.snapshot')->slurp;
+    for (1..3) {
+        $app->dir->child('cpanfile.snapshot')->remove;
+        $app->run("install");
+        is $content, $app->dir->child('cpanfile.snapshot')->slurp;
+    }
+};
+
+subtest 'Bad snapshot version' => sub {
+    my $app = cli();
+    $app->write_cpanfile('');
+    $app->write_file('cpanfile.snapshot', <<EOF);
+# carton snapshot format: version 111
+EOF
+
+    $app->run("install");
+    like $app->stderr, qr/Could not parse/;
+};
+
+subtest 'Bad snapshot file' => sub {
+    my $app = cli();
+    $app->write_cpanfile('');
+    $app->write_file('cpanfile.snapshot', <<EOF);
+# carton snapshot format: version 1.0
+DISTRIBUTIONS
+  Foo-Bar-1
+    unknown: foo
+EOF
+
+    $app->run("install");
+    like $app->stderr, qr/Could not parse/;
+};
+
+subtest 'snapshot file support separate CRLF' => sub {
+    my $app = cli();
+    $app->write_cpanfile(<<EOF);
+requires 'Try::Tiny', '== 0.11';
+requires 'Getopt::Long', '2.41';
+EOF
+
+    $app->run("install");
+
+    my $content = $app->dir->child('cpanfile.snapshot')->slurp;
+    $content =~ s/\n/\r\n/g;
+    $app->write_file('cpanfile.snapshot', $content);
+
+    $app->run("install");
+    ok !$app->stderr;
+};
+
+done_testing;
+