84 lines
2.5 KiB
C++
84 lines
2.5 KiB
C++
#include <gmock/gmock.h>
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#include "tokenization.h"
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#include <regex>
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#include <unordered_set>
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#include <utf8.h>
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using namespace testing;
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using std::string;
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using std::u32string;
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using std::vector;
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using std::regex;
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bool returnTrue(const string&) {
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return true;
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}
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TEST(tokenizeText, simpleCases) {
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EXPECT_THAT(tokenizeText("", returnTrue), IsEmpty());
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EXPECT_THAT(tokenizeText(" \t\n\r\n ", returnTrue), IsEmpty());
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EXPECT_THAT(
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tokenizeText("Wit is educated insolence.", returnTrue),
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ElementsAre("wit", "is", "educated", "insolence")
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);
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}
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TEST(tokenizeText, numbers) {
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EXPECT_THAT(
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tokenizeText("Henry V died at 36.", returnTrue),
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ElementsAre("henry", "the", "fifth", "died", "at", "thirty", "six")
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);
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EXPECT_THAT(
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tokenizeText("I spent $4.50 on gum.", returnTrue),
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ElementsAre("i", "spent", "four", "dollars", "fifty", "cents", "on", "gum")
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);
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EXPECT_THAT(
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tokenizeText("I was born in 1982.", returnTrue),
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ElementsAre("i", "was", "born", "in", "nineteen", "eighty", "two")
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);
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}
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TEST(tokenizeText, abbreviations) {
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EXPECT_THAT(
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tokenizeText("Prof. Foo lives on Dr. Dolittle Dr.", [](const string& word) { return word == "prof."; }),
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ElementsAre("prof.", "foo", "lives", "on", "doctor", "dolittle", "drive")
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);
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}
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TEST(tokenizeText, apostrophes) {
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EXPECT_THAT(
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tokenizeText("'Tis said he'd wish'd for a 'bus 'cause he wouldn't walk.", [](const string& word) { return word == "wouldn't"; }),
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ElementsAreArray(vector<string>{ "tis", "said", "he'd", "wish'd", "for", "a", "bus", "cause", "he", "wouldn't", "walk" })
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);
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}
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TEST(tokenizeText, math) {
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EXPECT_THAT(
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tokenizeText("'1+2*3=7", returnTrue),
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ElementsAre("one", "plus", "two", "times", "three", "equals", "seven")
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);
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}
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TEST(tokenizeText, unicodeCharacters) {
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EXPECT_THAT(
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tokenizeText("A naïve man called 晨 had piña colada and crème brûlée.", returnTrue),
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ElementsAre("a", "naive", "man", "called", "had", "pina", "colada", "and", "creme", "brulee")
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);
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}
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// Checks that each word contains only the characters a-z and the apostrophe
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TEST(tokenizeText, wordsUseLimitedCharacters) {
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// Create string containing lots of undesirable characters
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string input = "A naïve man called 晨 was having piña colada and crème brûlée.";
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for (char32_t c = 0; c <= 1000; ++c) {
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input.append(" ");
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utf8::append(c, back_inserter(input));
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}
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regex legal("^[a-z']+$");
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auto words = tokenizeText(input, returnTrue);
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for (const string& word : words) {
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EXPECT_TRUE(std::regex_match(word, legal)) << word;
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}
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}
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