From c2f61bebb190258753714b29ab2041e80651cec9 Mon Sep 17 00:00:00 2001
From: Matt Corallo <git@bluematt.me>
Date: Sat, 24 Dec 2016 11:28:44 -0500
Subject: Add a ForceSetArg method for testing

---
 src/qt/test/rpcnestedtests.cpp | 4 +---
 src/test/DoS_tests.cpp         | 6 +++---
 src/test/test_bitcoin.cpp      | 4 +---
 src/util.cpp                   | 8 ++++++++
 src/util.h                     | 3 +++
 5 files changed, 16 insertions(+), 9 deletions(-)

diff --git a/src/qt/test/rpcnestedtests.cpp b/src/qt/test/rpcnestedtests.cpp
index 972dad72d0..fb044489d7 100644
--- a/src/qt/test/rpcnestedtests.cpp
+++ b/src/qt/test/rpcnestedtests.cpp
@@ -19,8 +19,6 @@
 
 #include <boost/filesystem.hpp>
 
-extern std::map<std::string, std::string> mapArgs;
-
 static UniValue rpcNestedTest_rpc(const JSONRPCRequest& request)
 {
     if (request.fHelp) {
@@ -47,7 +45,7 @@ void RPCNestedTests::rpcNestedTests()
     std::string path = QDir::tempPath().toStdString() + "/" + strprintf("test_bitcoin_qt_%lu_%i", (unsigned long)GetTime(), (int)(GetRand(100000)));
     QDir dir(QString::fromStdString(path));
     dir.mkpath(".");
-    mapArgs["-datadir"] = path;
+    ForceSetArg("-datadir", path);
     //mempool.setSanityCheck(1.0);
     pblocktree = new CBlockTreeDB(1 << 20, true);
     pcoinsdbview = new CCoinsViewDB(1 << 23, true);
diff --git a/src/test/DoS_tests.cpp b/src/test/DoS_tests.cpp
index dafb096e80..d90dcaeb02 100644
--- a/src/test/DoS_tests.cpp
+++ b/src/test/DoS_tests.cpp
@@ -12,6 +12,7 @@
 #include "script/sign.h"
 #include "serialize.h"
 #include "util.h"
+#include "validation.h"
 
 #include "test/test_bitcoin.h"
 
@@ -32,7 +33,6 @@ struct COrphanTx {
     int64_t nTimeExpire;
 };
 extern std::map<uint256, COrphanTx> mapOrphanTransactions;
-extern std::map<std::string, std::string> mapArgs;
 
 CService ip(uint32_t i)
 {
@@ -75,7 +75,7 @@ BOOST_AUTO_TEST_CASE(DoS_banning)
 BOOST_AUTO_TEST_CASE(DoS_banscore)
 {
     connman->ClearBanned();
-    mapArgs["-banscore"] = "111"; // because 11 is my favorite number
+    ForceSetArg("-banscore", "111"); // because 11 is my favorite number
     CAddress addr1(ip(0xa0b0c001), NODE_NONE);
     CNode dummyNode1(id++, NODE_NETWORK, 0, INVALID_SOCKET, addr1, 3, 1, "", true);
     dummyNode1.SetSendVersion(PROTOCOL_VERSION);
@@ -90,7 +90,7 @@ BOOST_AUTO_TEST_CASE(DoS_banscore)
     Misbehaving(dummyNode1.GetId(), 1);
     SendMessages(&dummyNode1, *connman);
     BOOST_CHECK(connman->IsBanned(addr1));
-    mapArgs.erase("-banscore");
+    ForceSetArg("-banscore", std::to_string(DEFAULT_BANSCORE_THRESHOLD));
 }
 
 BOOST_AUTO_TEST_CASE(DoS_bantime)
diff --git a/src/test/test_bitcoin.cpp b/src/test/test_bitcoin.cpp
index b62b317105..5c4ef5eb8c 100644
--- a/src/test/test_bitcoin.cpp
+++ b/src/test/test_bitcoin.cpp
@@ -33,8 +33,6 @@
 std::unique_ptr<CConnman> g_connman;
 FastRandomContext insecure_rand_ctx(true);
 
-extern std::map<std::string, std::string> mapArgs;
-
 extern bool fPrintToConsole;
 extern void noui_connect();
 
@@ -66,7 +64,7 @@ TestingSetup::TestingSetup(const std::string& chainName) : BasicTestingSetup(cha
         ClearDatadirCache();
         pathTemp = GetTempPath() / strprintf("test_bitcoin_%lu_%i", (unsigned long)GetTime(), (int)(GetRand(100000)));
         boost::filesystem::create_directories(pathTemp);
-        mapArgs["-datadir"] = pathTemp.string();
+        ForceSetArg("-datadir", pathTemp.string());
         mempool.setSanityCheck(1.0);
         pblocktree = new CBlockTreeDB(1 << 20, true);
         pcoinsdbview = new CCoinsViewDB(1 << 23, true);
diff --git a/src/util.cpp b/src/util.cpp
index e3697183da..793b8f2dd1 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -428,6 +428,14 @@ bool SoftSetBoolArg(const std::string& strArg, bool fValue)
         return SoftSetArg(strArg, std::string("0"));
 }
 
+void ForceSetArg(const std::string& strArg, const std::string& strValue)
+{
+    LOCK(cs_args);
+    mapArgs[strArg] = strValue;
+}
+
+
+
 static const int screenWidth = 79;
 static const int optIndent = 2;
 static const int msgIndent = 7;
diff --git a/src/util.h b/src/util.h
index 88f8bb1beb..f030dbbb26 100644
--- a/src/util.h
+++ b/src/util.h
@@ -175,6 +175,9 @@ bool SoftSetArg(const std::string& strArg, const std::string& strValue);
  */
 bool SoftSetBoolArg(const std::string& strArg, bool fValue);
 
+// Forces a arg setting, used only in testing
+void ForceSetArg(const std::string& strArg, const std::string& strValue);
+
 /**
  * Format a string to be used as group of options in help messages
  *
-- 
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