PowerToys/src/modules/powerrename/unittests/PowerRenameRegExTests.cpp

#include "stdafx.h"
#include "CppUnitTest.h"
#include <PowerRenameInterfaces.h>
#include <PowerRenameRegEx.h>
#include "MockPowerRenameRegExEvents.h"

using namespace Microsoft::VisualStudio::CppUnitTestFramework;

namespace PowerRenameRegExTests
{
    struct SearchReplaceExpected
    {
        PCWSTR search;
        PCWSTR replace;
        PCWSTR test;
        PCWSTR expected;
    };

    TEST_CLASS(SimpleTests){
        public:
            TEST_METHOD(GeneralReplaceTest){
                CComPtr<IPowerRenameRegEx> renameRegEx;
    Assert::IsTrue(CPowerRenameRegEx::s_CreateInstance(&renameRegEx) == S_OK);
    PWSTR result = nullptr;
    Assert::IsTrue(renameRegEx->put_searchTerm(L"foo") == S_OK);
    Assert::IsTrue(renameRegEx->put_replaceTerm(L"big") == S_OK);
    Assert::IsTrue(renameRegEx->Replace(L"foobar", &result) == S_OK);
    Assert::IsTrue(wcscmp(result, L"bigbar") == 0);
    CoTaskMemFree(result);
}

TEST_METHOD(ReplaceNoMatch)
{
    CComPtr<IPowerRenameRegEx> renameRegEx;
    Assert::IsTrue(CPowerRenameRegEx::s_CreateInstance(&renameRegEx) == S_OK);
    PWSTR result = nullptr;
    Assert::IsTrue(renameRegEx->put_searchTerm(L"notfound") == S_OK);
    Assert::IsTrue(renameRegEx->put_replaceTerm(L"big") == S_OK);
    Assert::IsTrue(renameRegEx->Replace(L"foobar", &result) == S_OK);
    Assert::IsTrue(wcscmp(result, L"foobar") == 0);
    CoTaskMemFree(result);
}

TEST_METHOD(ReplaceNoSearchOrReplaceTerm)
{
    CComPtr<IPowerRenameRegEx> renameRegEx;
    Assert::IsTrue(CPowerRenameRegEx::s_CreateInstance(&renameRegEx) == S_OK);
    PWSTR result = nullptr;
    Assert::IsTrue(renameRegEx->Replace(L"foobar", &result) != S_OK);
    Assert::IsTrue(result == nullptr);
    CoTaskMemFree(result);
}

TEST_METHOD(ReplaceNoReplaceTerm)
{
    CComPtr<IPowerRenameRegEx> renameRegEx;
    Assert::IsTrue(CPowerRenameRegEx::s_CreateInstance(&renameRegEx) == S_OK);
    PWSTR result = nullptr;
    Assert::IsTrue(renameRegEx->put_searchTerm(L"foo") == S_OK);
    Assert::IsTrue(renameRegEx->Replace(L"foobar", &result) == S_OK);
    Assert::IsTrue(wcscmp(result, L"bar") == 0);
    CoTaskMemFree(result);
}

TEST_METHOD(ReplaceEmptyStringReplaceTerm)
{
    CComPtr<IPowerRenameRegEx> renameRegEx;
    Assert::IsTrue(CPowerRenameRegEx::s_CreateInstance(&renameRegEx) == S_OK);
    PWSTR result = nullptr;
    Assert::IsTrue(renameRegEx->put_searchTerm(L"foo") == S_OK);
    Assert::IsTrue(renameRegEx->put_replaceTerm(L"") == S_OK);
    Assert::IsTrue(renameRegEx->Replace(L"foobar", &result) == S_OK);
    Assert::IsTrue(wcscmp(result, L"bar") == 0);
    CoTaskMemFree(result);
}

TEST_METHOD(VerifyDefaultFlags)
{
    CComPtr<IPowerRenameRegEx> renameRegEx;
    Assert::IsTrue(CPowerRenameRegEx::s_CreateInstance(&renameRegEx) == S_OK);
    DWORD flags = 0;
    Assert::IsTrue(renameRegEx->get_flags(&flags) == S_OK);
    Assert::IsTrue(flags == MatchAllOccurences);
}

TEST_METHOD(VerifyCaseSensitiveSearch)
{
    CComPtr<IPowerRenameRegEx> renameRegEx;
    Assert::IsTrue(CPowerRenameRegEx::s_CreateInstance(&renameRegEx) == S_OK);
    DWORD flags = CaseSensitive;
    Assert::IsTrue(renameRegEx->put_flags(flags) == S_OK);

    SearchReplaceExpected sreTable[] = {
        { L"Foo", L"Foo", L"FooBar", L"FooBar" },
        { L"Foo", L"boo", L"FooBar", L"booBar" },
        { L"Foo", L"boo", L"foobar", L"foobar" },
        { L"123", L"654", L"123456", L"654456" },
    };

    for (int i = 0; i < ARRAYSIZE(sreTable); i++)
    {
        PWSTR result = nullptr;
        Assert::IsTrue(renameRegEx->put_searchTerm(sreTable[i].search) == S_OK);
        Assert::IsTrue(renameRegEx->put_replaceTerm(sreTable[i].replace) == S_OK);
        Assert::IsTrue(renameRegEx->Replace(sreTable[i].test, &result) == S_OK);
        Assert::IsTrue(wcscmp(result, sreTable[i].expected) == 0);
        CoTaskMemFree(result);
    }
}

TEST_METHOD(VerifyReplaceFirstOnly)
{
    CComPtr<IPowerRenameRegEx> renameRegEx;
    Assert::IsTrue(CPowerRenameRegEx::s_CreateInstance(&renameRegEx) == S_OK);
    DWORD flags = 0;
    Assert::IsTrue(renameRegEx->put_flags(flags) == S_OK);

    SearchReplaceExpected sreTable[] = {
        { L"B", L"BB", L"ABA", L"ABBA" },
        { L"B", L"A", L"ABBBA", L"AABBA" },
        { L"B", L"BBB", L"ABABAB", L"ABBBABAB" },
    };

    for (int i = 0; i < ARRAYSIZE(sreTable); i++)
    {
        PWSTR result = nullptr;
        Assert::IsTrue(renameRegEx->put_searchTerm(sreTable[i].search) == S_OK);
        Assert::IsTrue(renameRegEx->put_replaceTerm(sreTable[i].replace) == S_OK);
        Assert::IsTrue(renameRegEx->Replace(sreTable[i].test, &result) == S_OK);
        Assert::IsTrue(wcscmp(result, sreTable[i].expected) == 0);
        CoTaskMemFree(result);
    }
}

TEST_METHOD(VerifyReplaceAll)
{
    CComPtr<IPowerRenameRegEx> renameRegEx;
    Assert::IsTrue(CPowerRenameRegEx::s_CreateInstance(&renameRegEx) == S_OK);
    DWORD flags = MatchAllOccurences;
    Assert::IsTrue(renameRegEx->put_flags(flags) == S_OK);

    SearchReplaceExpected sreTable[] = {
        { L"B", L"BB", L"ABA", L"ABBA" },
        { L"B", L"A", L"ABBBA", L"AAAAA" },
        { L"B", L"BBB", L"ABABAB", L"ABBBABBBABBB" },
    };

    for (int i = 0; i < ARRAYSIZE(sreTable); i++)
    {
        PWSTR result = nullptr;
        Assert::IsTrue(renameRegEx->put_searchTerm(sreTable[i].search) == S_OK);
        Assert::IsTrue(renameRegEx->put_replaceTerm(sreTable[i].replace) == S_OK);
        Assert::IsTrue(renameRegEx->Replace(sreTable[i].test, &result) == S_OK);
        Assert::IsTrue(wcscmp(result, sreTable[i].expected) == 0);
        CoTaskMemFree(result);
    }
}

TEST_METHOD(VerifyReplaceAllCaseInsensitive)
{
    CComPtr<IPowerRenameRegEx> renameRegEx;
    Assert::IsTrue(CPowerRenameRegEx::s_CreateInstance(&renameRegEx) == S_OK);
    DWORD flags = MatchAllOccurences | CaseSensitive;
    Assert::IsTrue(renameRegEx->put_flags(flags) == S_OK);

    SearchReplaceExpected sreTable[] = {
        { L"B", L"BB", L"ABA", L"ABBA" },
        { L"B", L"A", L"ABBBA", L"AAAAA" },
        { L"B", L"BBB", L"ABABAB", L"ABBBABBBABBB" },
        { L"b", L"BBB", L"AbABAb", L"ABBBABABBB" },
    };

    for (int i = 0; i < ARRAYSIZE(sreTable); i++)
    {
        PWSTR result = nullptr;
        Assert::IsTrue(renameRegEx->put_searchTerm(sreTable[i].search) == S_OK);
        Assert::IsTrue(renameRegEx->put_replaceTerm(sreTable[i].replace) == S_OK);
        Assert::IsTrue(renameRegEx->Replace(sreTable[i].test, &result) == S_OK);
        Assert::IsTrue(wcscmp(result, sreTable[i].expected) == 0);
        CoTaskMemFree(result);
    }
}

TEST_METHOD(VerifyReplaceFirstOnlyUseRegEx)
{
    CComPtr<IPowerRenameRegEx> renameRegEx;
    Assert::IsTrue(CPowerRenameRegEx::s_CreateInstance(&renameRegEx) == S_OK);
    DWORD flags = UseRegularExpressions;
    Assert::IsTrue(renameRegEx->put_flags(flags) == S_OK);

    SearchReplaceExpected sreTable[] = {
        { L"B", L"BB", L"ABA", L"ABBA" },
        { L"B", L"A", L"ABBBA", L"AABBA" },
        { L"B", L"BBB", L"ABABAB", L"ABBBABAB" },
    };

    for (int i = 0; i < ARRAYSIZE(sreTable); i++)
    {
        PWSTR result = nullptr;
        Assert::IsTrue(renameRegEx->put_searchTerm(sreTable[i].search) == S_OK);
        Assert::IsTrue(renameRegEx->put_replaceTerm(sreTable[i].replace) == S_OK);
        Assert::IsTrue(renameRegEx->Replace(sreTable[i].test, &result) == S_OK);
        Assert::IsTrue(wcscmp(result, sreTable[i].expected) == 0);
        CoTaskMemFree(result);
    }
}

TEST_METHOD(VerifyReplaceAllUseRegEx)
{
    CComPtr<IPowerRenameRegEx> renameRegEx;
    Assert::IsTrue(CPowerRenameRegEx::s_CreateInstance(&renameRegEx) == S_OK);
    DWORD flags = MatchAllOccurences | UseRegularExpressions;
    Assert::IsTrue(renameRegEx->put_flags(flags) == S_OK);

    SearchReplaceExpected sreTable[] = {
        { L"B", L"BB", L"ABA", L"ABBA" },
        { L"B", L"A", L"ABBBA", L"AAAAA" },
        { L"B", L"BBB", L"ABABAB", L"ABBBABBBABBB" },
    };

    for (int i = 0; i < ARRAYSIZE(sreTable); i++)
    {
        PWSTR result = nullptr;
        Assert::IsTrue(renameRegEx->put_searchTerm(sreTable[i].search) == S_OK);
        Assert::IsTrue(renameRegEx->put_replaceTerm(sreTable[i].replace) == S_OK);
        Assert::IsTrue(renameRegEx->Replace(sreTable[i].test, &result) == S_OK);
        Assert::IsTrue(wcscmp(result, sreTable[i].expected) == 0);
        CoTaskMemFree(result);
    }
}

TEST_METHOD(VerifyReplaceAllUseRegExCaseSensitive)
{
    CComPtr<IPowerRenameRegEx> renameRegEx;
    Assert::IsTrue(CPowerRenameRegEx::s_CreateInstance(&renameRegEx) == S_OK);
    DWORD flags = MatchAllOccurences | UseRegularExpressions | CaseSensitive;
    Assert::IsTrue(renameRegEx->put_flags(flags) == S_OK);

    SearchReplaceExpected sreTable[] = {
        { L"B", L"BB", L"ABA", L"ABBA" },
        { L"B", L"A", L"ABBBA", L"AAAAA" },
        { L"b", L"BBB", L"AbABAb", L"ABBBABABBB" },
    };

    for (int i = 0; i < ARRAYSIZE(sreTable); i++)
    {
        PWSTR result = nullptr;
        Assert::IsTrue(renameRegEx->put_searchTerm(sreTable[i].search) == S_OK);
        Assert::IsTrue(renameRegEx->put_replaceTerm(sreTable[i].replace) == S_OK);
        Assert::IsTrue(renameRegEx->Replace(sreTable[i].test, &result) == S_OK);
        Assert::IsTrue(wcscmp(result, sreTable[i].expected) == 0);
        CoTaskMemFree(result);
    }
}

TEST_METHOD(VerifyMatchAllWildcardUseRegEx)
{
    CComPtr<IPowerRenameRegEx> renameRegEx;
    Assert::IsTrue(CPowerRenameRegEx::s_CreateInstance(&renameRegEx) == S_OK);
    DWORD flags = MatchAllOccurences | UseRegularExpressions;
    Assert::IsTrue(renameRegEx->put_flags(flags) == S_OK);

    SearchReplaceExpected sreTable[] = {
        { L".*", L"Foo", L"AAAAAA", L"Foo" },
    };

    for (int i = 0; i < ARRAYSIZE(sreTable); i++)
    {
        PWSTR result = nullptr;
        Assert::IsTrue(renameRegEx->put_searchTerm(sreTable[i].search) == S_OK);
        Assert::IsTrue(renameRegEx->put_replaceTerm(sreTable[i].replace) == S_OK);
        Assert::IsTrue(renameRegEx->Replace(sreTable[i].test, &result) == S_OK);
        Assert::IsTrue(wcscmp(result, sreTable[i].expected) == 0);
        CoTaskMemFree(result);
    }
}

TEST_METHOD(VerifyReplaceFirstWildcardUseRegEx)
{
    CComPtr<IPowerRenameRegEx> renameRegEx;
    Assert::IsTrue(CPowerRenameRegEx::s_CreateInstance(&renameRegEx) == S_OK);
    DWORD flags = UseRegularExpressions;
    Assert::IsTrue(renameRegEx->put_flags(flags) == S_OK);

    SearchReplaceExpected sreTable[] = {
        { L".*", L"Foo", L"AAAAAA", L"FooAAAA" },
    };

    for (int i = 0; i < ARRAYSIZE(sreTable); i++)
    {
        PWSTR result = nullptr;
        Assert::IsTrue(renameRegEx->put_searchTerm(sreTable[i].search) == S_OK);
        Assert::IsTrue(renameRegEx->put_replaceTerm(sreTable[i].replace) == S_OK);
        Assert::IsTrue(renameRegEx->Replace(sreTable[i].test, &result) == S_OK);
        Assert::IsTrue(wcscmp(result, sreTable[i].expected) == 0);
        CoTaskMemFree(result);
    }
}

TEST_METHOD(VerifyEventsFire)
{
    CComPtr<IPowerRenameRegEx> renameRegEx;
    Assert::IsTrue(CPowerRenameRegEx::s_CreateInstance(&renameRegEx) == S_OK);
    CMockPowerRenameRegExEvents* mockEvents = new CMockPowerRenameRegExEvents();
    CComPtr<IPowerRenameRegExEvents> regExEvents;
    Assert::IsTrue(mockEvents->QueryInterface(IID_PPV_ARGS(&regExEvents)) == S_OK);
    DWORD cookie = 0;
    Assert::IsTrue(renameRegEx->Advise(regExEvents, &cookie) == S_OK);
    DWORD flags = MatchAllOccurences | UseRegularExpressions | CaseSensitive;
    Assert::IsTrue(renameRegEx->put_flags(flags) == S_OK);
    Assert::IsTrue(renameRegEx->put_searchTerm(L"FOO") == S_OK);
    Assert::IsTrue(renameRegEx->put_replaceTerm(L"BAR") == S_OK);
    Assert::IsTrue(lstrcmpi(L"FOO", mockEvents->m_searchTerm) == 0);
    Assert::IsTrue(lstrcmpi(L"BAR", mockEvents->m_replaceTerm) == 0);
    Assert::IsTrue(flags == mockEvents->m_flags);
    Assert::IsTrue(renameRegEx->UnAdvise(cookie) == S_OK);
    mockEvents->Release();
}
}
;
}