gpgv: Add IsAssertedPubKeyAlgo() function

This checks whether a public key algorithm is asserted.

1 files changed, 56 insertions, 0 deletions

diff --git a/test/libapt/assert_pubkeyalgo_test.cc b/test/libapt/assert_pubkeyalgo_test.cc
new file mode 100644
index 000000000..88a070bbe
--- /dev/null
+++ b/test/libapt/assert_pubkeyalgo_test.cc
@@ -0,0 +1,56 @@
+#include <config.h>
+
+#include <apt-pkg/error.h>
+#include <apt-pkg/gpgv.h>
+
+#include "common.h"
+
+TEST(AssertPubKeyAlgo_Test, test)
+{
+   EXPECT_TRUE(IsAssertedPubKeyAlgo("rsa2048", ">=rsa2048"));
+   _error->DumpErrors();
+   EXPECT_TRUE(_error->empty());
+
+   EXPECT_TRUE(IsAssertedPubKeyAlgo("rsa2048", "another,>=rsa2048"));
+   EXPECT_TRUE(_error->empty());
+
+   EXPECT_FALSE(IsAssertedPubKeyAlgo("rsa2048", ">=rsa2049"));
+   EXPECT_TRUE(_error->empty());
+
+   EXPECT_TRUE(IsAssertedPubKeyAlgo("ed25519", ">=rsa2048,ed25519"));
+   EXPECT_TRUE(_error->empty());
+}
+
+TEST(AssertPubKeyAlgo_Test, CanOnlyCompareRSA)
+{
+   std::string msg;
+   EXPECT_FALSE(IsAssertedPubKeyAlgo("ed25519", ">=ed25519"));
+   EXPECT_TRUE(_error->PopMessage(msg));
+   EXPECT_EQ("Unrecognized public key specification '>=ed25519' in option >=ed25519", msg);
+   EXPECT_TRUE(_error->empty());
+}
+
+TEST(AssertPubKeyAlgo_Test, EmptyOption)
+{
+   std::string msg;
+   EXPECT_FALSE(IsAssertedPubKeyAlgo("ed25519", ""));
+   EXPECT_TRUE(_error->empty());
+
+   EXPECT_FALSE(IsAssertedPubKeyAlgo("ed25519", ","));
+   EXPECT_TRUE(_error->PopMessage(msg));
+   EXPECT_EQ("Empty item in public key assertion string option ,", msg);
+   EXPECT_TRUE(_error->empty());
+
+   EXPECT_FALSE(IsAssertedPubKeyAlgo("ed25519", "moo,"));
+   EXPECT_TRUE(_error->empty());
+
+   EXPECT_FALSE(IsAssertedPubKeyAlgo("ed25519", "moo,,"));
+   EXPECT_TRUE(_error->PopMessage(msg));
+   EXPECT_EQ("Empty item in public key assertion string option moo,,", msg);
+   EXPECT_TRUE(_error->empty());
+
+   EXPECT_FALSE(IsAssertedPubKeyAlgo("ed25519", ",moo"));
+   EXPECT_TRUE(_error->PopMessage(msg));
+   EXPECT_EQ("Empty item in public key assertion string option ,moo", msg);
+   EXPECT_TRUE(_error->empty());
+}