rred: truncate result file before writing to it

[apt.git] / test / libapt / hashsums_test.cc

diff --git a/test/libapt/hashsums_test.cc b/test/libapt/hashsums_test.cc
index ac7d4158276e1e4b33f74b29439fb095526d7cab..705c0297d3c0cab8ebf6e0871df7926abe891db1 100644 (file)
--- a/test/libapt/hashsums_test.cc
+++ b/test/libapt/hashsums_test.cc
@@ -1,5 +1,6 @@
 #include <config.h>
 
+#include <apt-pkg/configuration.h>
 #include <apt-pkg/md5.h>
 #include <apt-pkg/sha1.h>
 #include <apt-pkg/sha2.h>
@@ -162,24 +163,58 @@ TEST(HashSumsTest, FileBased)
 
    FileFd fd(__FILE__, FileFd::ReadOnly);
    EXPECT_TRUE(fd.IsOpen());
+   std::string FileSize;
+   strprintf(FileSize, "%llu", fd.FileSize());
 
    {
       Hashes hashes;
       hashes.AddFD(fd.Fd());
-      EXPECT_EQ(md5.Value(), hashes.MD5.Result().Value());
-      EXPECT_EQ(sha1.Value(), hashes.SHA1.Result().Value());
-      EXPECT_EQ(sha256.Value(), hashes.SHA256.Result().Value());
-      EXPECT_EQ(sha512.Value(), hashes.SHA512.Result().Value());
+      HashStringList list = hashes.GetHashStringList();
+      EXPECT_FALSE(list.empty());
+      EXPECT_EQ(5, list.size());
+      EXPECT_EQ(md5.Value(), list.find("MD5Sum")->HashValue());
+      EXPECT_EQ(sha1.Value(), list.find("SHA1")->HashValue());
+      EXPECT_EQ(sha256.Value(), list.find("SHA256")->HashValue());
+      EXPECT_EQ(sha512.Value(), list.find("SHA512")->HashValue());
+      EXPECT_EQ(FileSize, list.find("Checksum-FileSize")->HashValue());
    }
-   unsigned long sz = fd.FileSize();
+   unsigned long long sz = fd.FileSize();
    fd.Seek(0);
    {
       Hashes hashes;
       hashes.AddFD(fd.Fd(), sz);
-      EXPECT_EQ(md5.Value(), hashes.MD5.Result().Value());
-      EXPECT_EQ(sha1.Value(), hashes.SHA1.Result().Value());
-      EXPECT_EQ(sha256.Value(), hashes.SHA256.Result().Value());
-      EXPECT_EQ(sha512.Value(), hashes.SHA512.Result().Value());
+      HashStringList list = hashes.GetHashStringList();
+      EXPECT_FALSE(list.empty());
+      EXPECT_EQ(5, list.size());
+      EXPECT_EQ(md5.Value(), list.find("MD5Sum")->HashValue());
+      EXPECT_EQ(sha1.Value(), list.find("SHA1")->HashValue());
+      EXPECT_EQ(sha256.Value(), list.find("SHA256")->HashValue());
+      EXPECT_EQ(sha512.Value(), list.find("SHA512")->HashValue());
+      EXPECT_EQ(FileSize, list.find("Checksum-FileSize")->HashValue());
+   }
+   fd.Seek(0);
+   {
+      Hashes hashes(Hashes::MD5SUM | Hashes::SHA512SUM);
+      hashes.AddFD(fd);
+      HashStringList list = hashes.GetHashStringList();
+      EXPECT_FALSE(list.empty());
+      EXPECT_EQ(3, list.size());
+      EXPECT_EQ(md5.Value(), list.find("MD5Sum")->HashValue());
+      EXPECT_EQ(NULL, list.find("SHA1"));
+      EXPECT_EQ(NULL, list.find("SHA256"));
+      EXPECT_EQ(sha512.Value(), list.find("SHA512")->HashValue());
+      EXPECT_EQ(FileSize, list.find("Checksum-FileSize")->HashValue());
+      fd.Seek(0);
+      Hashes hashes2(list);
+      hashes2.AddFD(fd);
+      list = hashes2.GetHashStringList();
+      EXPECT_FALSE(list.empty());
+      EXPECT_EQ(3, list.size());
+      EXPECT_EQ(md5.Value(), list.find("MD5Sum")->HashValue());
+      EXPECT_EQ(NULL, list.find("SHA1"));
+      EXPECT_EQ(NULL, list.find("SHA256"));
+      EXPECT_EQ(sha512.Value(), list.find("SHA512")->HashValue());
+      EXPECT_EQ(FileSize, list.find("Checksum-FileSize")->HashValue());
    }
    fd.Seek(0);
    {
@@ -260,3 +295,98 @@ TEST(HashSumsTest, FileBased)
    EXPECT_FALSE(similar == hashes);
    EXPECT_TRUE(similar != hashes);
 }
+TEST(HashSumsTest, HashStringList)
+{
+   _config->Clear("Acquire::ForceHash");
+
+   HashStringList list;
+   EXPECT_TRUE(list.empty());
+   EXPECT_FALSE(list.usable());
+   EXPECT_EQ(0, list.size());
+   EXPECT_EQ(NULL, list.find(NULL));
+   EXPECT_EQ(NULL, list.find(""));
+   EXPECT_EQ(NULL, list.find("MD5Sum"));
+   EXPECT_EQ(NULL, list.find("ROT26"));
+   EXPECT_EQ(NULL, list.find("SHA1"));
+   EXPECT_EQ(0, list.FileSize());
+
+   // empty lists aren't equal
+   HashStringList list2;
+   EXPECT_FALSE(list == list2);
+   EXPECT_TRUE(list != list2);
+
+   // some hashes don't really contribute to usability
+   list.push_back(HashString("Checksum-FileSize", "29"));
+   EXPECT_FALSE(list.empty());
+   EXPECT_FALSE(list.usable());
+   EXPECT_EQ(1, list.size());
+   EXPECT_EQ(29, list.FileSize());
+   list.push_back(HashString("MD5Sum", "d41d8cd98f00b204e9800998ecf8427e"));
+   EXPECT_FALSE(list.empty());
+   EXPECT_FALSE(list.usable());
+   EXPECT_EQ(2, list.size());
+   EXPECT_EQ(29, list.FileSize());
+   EXPECT_TRUE(NULL != list.find("MD5Sum"));
+   list.push_back(HashString("SHA1", "cacecbd74968bc90ea3342767e6b94f46ddbcafc"));
+   EXPECT_FALSE(list.usable());
+   EXPECT_EQ(3, list.size());
+   EXPECT_EQ(29, list.FileSize());
+   EXPECT_TRUE(NULL != list.find("MD5Sum"));
+   EXPECT_TRUE(NULL != list.find("SHA1"));
+   list.push_back(HashString("SHA256", "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"));
+   EXPECT_TRUE(list.usable());
+   EXPECT_EQ(4, list.size());
+   EXPECT_EQ(29, list.FileSize());
+   EXPECT_TRUE(NULL != list.find("MD5Sum"));
+   EXPECT_TRUE(NULL != list.find("SHA1"));
+   EXPECT_TRUE(NULL != list.find("SHA256"));
+
+   Hashes hashes;
+   hashes.Add("The quick brown fox jumps over the lazy dog");
+   list = hashes.GetHashStringList();
+   EXPECT_FALSE(list.empty());
+   EXPECT_TRUE(list.usable());
+   EXPECT_EQ(5, list.size());
+   EXPECT_TRUE(NULL != list.find(NULL));
+   EXPECT_TRUE(NULL != list.find(""));
+   EXPECT_TRUE(NULL != list.find("MD5Sum"));
+   EXPECT_TRUE(NULL != list.find("Checksum-FileSize"));
+   EXPECT_TRUE(NULL == list.find("ROT26"));
+
+   _config->Set("Acquire::ForceHash", "MD5Sum");
+   EXPECT_FALSE(list.empty());
+   EXPECT_TRUE(list.usable());
+   EXPECT_EQ(5, list.size());
+   EXPECT_TRUE(NULL != list.find(NULL));
+   EXPECT_TRUE(NULL != list.find(""));
+   EXPECT_TRUE(NULL != list.find("MD5Sum"));
+   EXPECT_TRUE(NULL != list.find("Checksum-FileSize"));
+   EXPECT_TRUE(NULL == list.find("ROT26"));
+
+   _config->Set("Acquire::ForceHash", "ROT26");
+   EXPECT_FALSE(list.empty());
+   EXPECT_FALSE(list.usable());
+   EXPECT_EQ(5, list.size());
+   EXPECT_TRUE(NULL == list.find(NULL));
+   EXPECT_TRUE(NULL == list.find(""));
+   EXPECT_TRUE(NULL != list.find("MD5Sum"));
+   EXPECT_TRUE(NULL != list.find("Checksum-FileSize"));
+   EXPECT_TRUE(NULL == list.find("ROT26"));
+
+   _config->Clear("Acquire::ForceHash");
+
+   list2.push_back(*list.find("MD5Sum"));
+   EXPECT_TRUE(list == list2);
+   EXPECT_FALSE(list != list2);
+
+   // introduce a mismatch to the list
+   list2.push_back(HashString("SHA1", "cacecbd74968bc90ea3342767e6b94f46ddbcafc"));
+   EXPECT_FALSE(list == list2);
+   EXPECT_TRUE(list != list2);
+
+   _config->Set("Acquire::ForceHash", "MD5Sum");
+   EXPECT_TRUE(list == list2);
+   EXPECT_FALSE(list != list2);
+
+   _config->Clear("Acquire::ForceHash");
+}