ApprovalTests.cpp/tests/DocTest_Tests/CombinationTests.cpp at master · AndySaul/ApprovalTests.cpp · GitHub

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#include "doctest/doctest.h"
#include <map>
#include <vector>
#include <string>
#include "ApprovalTests/core/ApprovalException.h"
#include "ApprovalTests/reporters/BlockingReporter.h"
#include "ApprovalTests/CombinationApprovals.h"
#include "reporters/FakeReporter.h"

using namespace ApprovalTests;

TEST_CASE("YouCanVerifyCombinationsOf1")
{
    std::vector<std::string> words{"hello", "world"};
    CombinationApprovals::verifyAllCombinations(
        [](const std::string& s) { return s + "!"; }, words);
}

TEST_CASE("YouCanVerifyCombinationsOf1WithTemplateParameters")
{
    std::vector<std::string> words{"hello", "world"};
    CombinationApprovals::verifyAllCombinations(
        [](const std::string& s) { return s + "!"; }, words);
}

FrontLoadedReporterDisposer clearFrontLoadedReporter()
{
    return Approvals::useAsFrontLoadedReporter(
        BlockingReporter::onMachineNamed("safadfasdfas"));
}

TEST_CASE("YouCanVerifyCombinationsOf1Reports")
{
    auto d = clearFrontLoadedReporter();
    std::vector<std::string> words{"hello", "world"};
    FakeReporter reporter;
    try
    {
        CombinationApprovals::verifyAllCombinations(
            Options(reporter), [](const std::string& s) { return s + "!"; }, words);
    }
    catch (const ApprovalException&)
    {
        // ignore
    }
    REQUIRE(reporter.called == true);
}

// begin-snippet: YouCanVerifyCombinationsOf2
TEST_CASE("YouCanVerifyCombinationsOf2")
{
    std::vector<std::string> v{"hello", "world"};
    std::vector<int> numbers{1, 2, 3};
    CombinationApprovals::verifyAllCombinations(
        [](std::string s, int i) {
            return std::string("(") + s + ", " + std::to_string(i) + ")";
        },
        v,
        numbers);
}
// end-snippet

// begin-snippet: CombinationsStartingPoint
TEST_CASE("CombinationsStartingPoint")
{
    std::vector<std::string> inputs1{"input1.value1", "input1.value2"};
    std::vector<std::string> inputs2{"input2.value1", "input2.value2", "input2.value3"};
    CombinationApprovals::verifyAllCombinations(
        [&](auto /*input1*/, auto /*input2*/) { return "placeholder"; },
        inputs1,
        inputs2);
}
// end-snippet

TEST_CASE("YouCanVerifyCombinationsOf9")
{
    std::vector<std::string> letters{"a", "b"};
    CombinationApprovals::verifyAllCombinations(
        [](const std::string& s1,
           const std::string& s2,
           const std::string& s3,
           const std::string& s4,
           const std::string& s5,
           const std::string& s6,
           const std::string& s7,
           const std::string& s8,
           const std::string& s9) { return s1 + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9; },
        letters,
        letters,
        letters,
        letters,
        letters,
        letters,
        letters,
        letters,
        letters);
}

TEST_CASE("YouCanVerifyCombinationsOf9Reports")
{
    auto d = clearFrontLoadedReporter();
    FakeReporter reporter;
    try
    {
        std::vector<std::string> letters{"a", "b"};
        CombinationApprovals::verifyAllCombinations(
            Options(reporter),
            [](const std::string& s1,
               const std::string& s2,
               const std::string& s3,
               const std::string& s4,
               const std::string& s5,
               const std::string& s6,
               const std::string& s7,
               const std::string& s8,
               const std::string& s9) {
                return s1 + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9;
            },
            letters,
            letters,
            letters,
            letters,
            letters,
            letters,
            letters,
            letters,
            letters);
    }
    catch (const ApprovalException&)
    {
        // ignore
    }
    REQUIRE(reporter.called == true);
}

TEST_CASE("YouCanVerifyCombinationsOf10")
{
    std::vector<std::string> letters{"a", "b"};
    CombinationApprovals::verifyAllCombinations(
        [](const std::string& s1,
           const std::string& s2,
           const std::string& s3,
           const std::string& s4,
           const std::string& s5,
           const std::string& s6,
           const std::string& s7,
           const std::string& s8,
           const std::string& s9,
           const std::string& s10) {
            return s1 + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9 + s10;
        },
        letters,
        letters,
        letters,
        letters,
        letters,
        letters,
        letters,
        letters,
        letters,
        letters);
}