Red-Green

Signed-off-by: PotapovAlexandr <alexpotapov1985@gmail.com>

Author: PotapovAlexandr

tdd_intro/homework/07_sqlite_header_parser/Interfaces.h

@@ -63,4 +63,5 @@ class IDbReader
 //    72	20	Reserved for expansion. Must be zero.
     virtual int GetVersionValidNumber() = 0;
     virtual int GetSqliteVersionNumber() = 0;
+    virtual bool IsEmpty() = 0;
 };

tdd_intro/homework/07_sqlite_header_parser/Mocks.h

@@ -8,10 +8,10 @@ class GuiMock: public IGui
 {
 public:
     ~GuiMock(){}
-    MOCK_METHOD0(DisplayHeader, void());
+    MOCK_METHOD1(DisplayHeader, void(const SqliteHeader& header));
 };
 
-class DbReaderMock:public IDbReader
+class DbReaderMock: public IDbReader
 {
 public:
     ~DbReaderMock(){}
@@ -40,4 +40,5 @@ class DbReaderMock:public IDbReader
 //    72	20	Reserved for expansion. Must be zero.
     MOCK_METHOD0(GetVersionValidNumber, int());
     MOCK_METHOD0(GetSqliteVersionNumber, int());
+    MOCK_METHOD0(IsEmpty, bool());
 };

tdd_intro/homework/07_sqlite_header_parser/test.cpp

@@ -42,13 +42,13 @@ Offset	Size	Description
 #include <gmock/gmock.h>
 
 #include "Mocks.h"
-
+using namespace testing;
 
 
 
 void DysplayHeaderStructure(IGui* gui, IDbReader* dbReader)
 {
-    if (gui == nullptr)
+    if (gui == nullptr || dbReader->IsEmpty())
     {
         throw std::exception();
     }
@@ -59,3 +59,11 @@ TEST(SqliteHeaderReader, NoGui)
     DbReaderMock dbReader;
     ASSERT_THROW(DysplayHeaderStructure(nullptr, &dbReader), std::exception);
 }
+
+TEST(SqliteHeaderReader, EmptyReader)
+{
+    DbReaderMock dbReader;
+    GuiMock gui;
+    EXPECT_CALL(dbReader, IsEmpty()).WillOnce(Return(true));
+    ASSERT_THROW(DysplayHeaderStructure(&gui, &dbReader), std::exception);
+}