test-concatstringvecs.cpp

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/*
 * (C) Crown Copyright 2021 Met Office
 *
 * This software is licensed under the terms of the Apache Licence Version 2.0
 * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 */
 
#include "ioda/Misc/StringFuncs.h"
 
#include <string>
#include <vector>
 
#include "eckit/testing/Test.h"
 
using namespace eckit::testing;
 
namespace ioda {
namespace test {
 
CASE("Non-empty inputs of equal element counts") {
  std::vector<std::string> strVec1 = {"a", "A", "1"};
  std::vector<std::string> strVec2 = {"b", "B", "2"};
  std::vector<std::string> strVec3 = {"c", "C", "3"};
  std::vector<std::string> expectedOutputVec = {"abc", "ABC", "123"};
 
  std::vector<std::vector<std::string> > combinedVec = {strVec1, strVec2, strVec3};
 
  std::vector<std::string> outputVector = ioda::concatenateStringVectors(combinedVec);
 
  EXPECT(expectedOutputVec == outputVector);
}
 
CASE("Empty inputs of equal element counts") {
  std::vector<std::string> strVec1 = {"", "", ""};
  std::vector<std::string> strVec2 = {"", "", ""};
  std::vector<std::string> strVec3 = {"", "", ""};
  std::vector<std::string> expectedOutputVec = {"", "", ""};
 
  std::vector<std::vector<std::string> > combinedVec = {strVec1, strVec2, strVec3};
 
  std::vector<std::string> outputVector = ioda::concatenateStringVectors(combinedVec);
 
  EXPECT(expectedOutputVec == outputVector);
}
 
CASE("Unequal element counts") {
  std::vector<std::string> strVec1 = {"a", "A", "1"};
  std::vector<std::string> strVec2 = {"b", "B", "2"};
  std::vector<std::string> strVec3 = {"c", "3"};
 
  std::vector<std::vector<std::string> > combinedVec = {strVec1, strVec2, strVec3};
 
  EXPECT_THROWS(ioda::concatenateStringVectors(combinedVec));
}
 
CASE("One vector input") {
  std::vector<std::string> strVec1 = {"a", "A", "1"};
 
  std::vector<std::vector<std::string> > combinedVec = {strVec1};
  std::vector<std::string> outputVector = ioda::concatenateStringVectors(combinedVec);
  EXPECT(strVec1 == outputVector);
}
 
CASE("Trailing spaces removed") {
  std::vector<std::string> strVec1 = {"f oo", "b ar", "   baz"};
  std::vector<std::string> strVec2 = {"f o o", "ba r", "baz"};
  std::vector<std::string> strVec3 = {"f o o   ", "bar   ", "baz   "};
  std::vector<std::string> expectedOutputVec = {"f oof o of o o", "b arba rbar", "   bazbazbaz"};
 
  std::vector<std::vector<std::string> > combinedVec = {strVec1, strVec2, strVec3};
 
  std::vector<std::string> outputVector = ioda::concatenateStringVectors(combinedVec);
 
  EXPECT(expectedOutputVec == outputVector);
}
 
CASE("All space vectors") {
  std::vector<std::string> strVec1 = {"", "", "   "};
  std::vector<std::string> strVec2 = {"", " ", " "};
  std::vector<std::string> strVec3 = {"   ", "   ", "    "};
  std::vector<std::string> expectedOutputVec = {"", "", ""};
 
  std::vector<std::vector<std::string> > combinedVec = {strVec1, strVec2, strVec3};
 
  std::vector<std::string> outputVector = ioda::concatenateStringVectors(combinedVec);
 
  EXPECT(expectedOutputVec == outputVector);
}
 
}  // namespace test
}  // namespace ioda
 
int main(int argc, char** argv) {
  return run_tests(argc, argv);
}