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string_utils_test.cpp
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string_utils_test.cpp
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#include <gtest/gtest.h>
#include "string_utils.h"
#include <iconv.h>
#include <unicode/translit.h>
#include <json.hpp>
TEST(StringUtilsTest, ShouldJoinString) {
std::vector<std::string> parts = {"foo", "bar", "baz", "bazinga"};
const std::string & joined_str1 = StringUtils::join(parts, "/");
ASSERT_STREQ("foo/bar/baz/bazinga", joined_str1.c_str());
const std::string & joined_str2 = StringUtils::join(parts, "/", 2);
ASSERT_STREQ("baz/bazinga", joined_str2.c_str());
const std::string & joined_str3 = StringUtils::join({}, "/");
ASSERT_STREQ("", joined_str3.c_str());
}
TEST(StringUtilsTest, HMAC) {
std::string digest1 = StringUtils::hmac("KeyVal", "{\"filter_by\": \"user_id:1080\"}");
ASSERT_STREQ("IvjqWNZ5M5ElcvbMoXj45BxkQrZG4ZKEaNQoRioCx2s=", digest1.c_str());
}
TEST(StringUtilsTest, UInt32Validation) {
std::string big_num = "99999999999999999999999999999999";
ASSERT_FALSE(StringUtils::is_uint32_t(big_num));
}
TEST(StringUtilsTest, ShouldSplitString) {
nlohmann::json obj1;
obj1["s"] = "Line one.\nLine two.\n";
nlohmann::json obj2;
obj2["s"] = "Line 1.\nLine 2.\n";
std::string text;
text = obj1.dump();
text += "\n" + obj2.dump();
std::vector<std::string> lines;
StringUtils::split(text, lines, "\n");
ASSERT_STREQ("{\"s\":\"Line one.\\nLine two.\\n\"}", lines[0].c_str());
ASSERT_STREQ("{\"s\":\"Line 1.\\nLine 2.\\n\"}", lines[1].c_str());
// empty string should produce empty list
std::vector<std::string> lines_empty;
StringUtils::split("", lines_empty, "\n");
ASSERT_TRUE(lines_empty.empty());
// restrict list of max_values
std::vector<std::string> lines_limited;
size_t end_index = StringUtils::split("a b c d e f", lines_limited, " ", false, true, 0, 3);
ASSERT_EQ(3, lines_limited.size());
ASSERT_EQ(6, end_index);
// start from an arbitrary position in string
std::vector<std::string> lines_custom_start;
end_index = StringUtils::split("a b c d e f", lines_custom_start, " ", false, true, 2, 100);
ASSERT_EQ(5, lines_custom_start.size());
ASSERT_EQ(11, end_index);
std::string comma_and_space = "foo, bar";
std::vector<std::string> comma_space_parts;
StringUtils::split(comma_and_space, comma_space_parts, ",");
ASSERT_STREQ("foo", comma_space_parts[0].c_str());
ASSERT_STREQ("bar", comma_space_parts[1].c_str());
// preserve trailing space
std::string str_trailing_space = "foo\nbar ";
std::vector<std::string> trailing_space_parts;
StringUtils::split(str_trailing_space, trailing_space_parts, "\n", false, false);
ASSERT_EQ(2, trailing_space_parts.size());
ASSERT_EQ("foo", trailing_space_parts[0]);
ASSERT_EQ("bar ", trailing_space_parts[1]);
}
TEST(StringUtilsTest, ShouldTrimString) {
std::string str = " a ";
StringUtils::trim(str);
ASSERT_STREQ("a", str.c_str());
str = "abc";
StringUtils::trim(str);
ASSERT_STREQ("abc", str.c_str());
str = " abc def";
StringUtils::trim(str);
ASSERT_STREQ("abc def", str.c_str());
str = " abc def ";
StringUtils::trim(str);
ASSERT_STREQ("abc def", str.c_str());
str = " ";
StringUtils::trim(str);
ASSERT_STREQ("", str.c_str());
}
TEST(StringUtilsTest, ShouldComputeSHA256) {
ASSERT_STREQ("c3ab8ff13720e8ad9047dd39466b3c8974e592c2fa383d4a3960714caef0c4f2",
StringUtils::hash_sha256("foobar").c_str());
ASSERT_STREQ("d8705968091d40b60436675240712c584c187eef091514d4092483dc342ca3de",
StringUtils::hash_sha256("some random key").c_str());
ASSERT_STREQ("6613f67d3d78d48e2678faf55c33fabc5895c538ce70ea10218ce9b7eccbf394",
StringUtils::hash_sha256("791a27668b3e01fc6ab3482b6e6a36255154df3ecd7dcec").c_str());
}
TEST(StringUtilsTest, ShouldCheckFloat) {
ASSERT_TRUE(StringUtils::is_float("0.23"));
ASSERT_TRUE(StringUtils::is_float("9.872019290924072e-07"));
ASSERT_FALSE(StringUtils::is_float("4.2f"));
ASSERT_FALSE(StringUtils::is_float("-5.3f"));
ASSERT_FALSE(StringUtils::is_float("+6.2f"));
ASSERT_FALSE(StringUtils::is_float("0.x87"));
ASSERT_FALSE(StringUtils::is_float("1.0.0"));
ASSERT_FALSE(StringUtils::is_float("2f"));
ASSERT_FALSE(StringUtils::is_float("2.0f1"));
}
TEST(StringUtilsTest, ShouldParseQueryString) {
std::map<std::string, std::string> qmap;
std::string qs = "?q=bar&filter_by=points: >100 && points: <200";
StringUtils::parse_query_string(qs, qmap);
ASSERT_EQ(2, qmap.size());
ASSERT_EQ("bar", qmap["q"]);
ASSERT_EQ("points: >100 && points: <200", qmap["filter_by"]);
qs = "?q=bar&filter_by=points%3A%20%3E100%20%26%26%20points%3A%20%3C200";
qmap.clear();
StringUtils::parse_query_string(qs, qmap);
ASSERT_EQ(2, qmap.size());
ASSERT_EQ("bar", qmap["q"]);
ASSERT_EQ("points: >100 && points: <200", qmap["filter_by"]);
qs = "?q=bar&filter_by=points%3A%20%3E100%20%26%26%20points%3A%20%3C200&";
qmap.clear();
StringUtils::parse_query_string(qs, qmap);
ASSERT_EQ(2, qmap.size());
ASSERT_EQ("bar", qmap["q"]);
ASSERT_EQ("points: >100 && points: <200", qmap["filter_by"]);
qs = "q=bar&filter_by=baz&&";
qmap.clear();
StringUtils::parse_query_string(qs, qmap);
ASSERT_EQ(2, qmap.size());
ASSERT_EQ("bar", qmap["q"]);
ASSERT_EQ("baz&", qmap["filter_by"]);
qs = "q=bar&filter_by=";
qmap.clear();
StringUtils::parse_query_string(qs, qmap);
ASSERT_EQ(2, qmap.size());
ASSERT_EQ("bar", qmap["q"]);
ASSERT_EQ("", qmap["filter_by"]);
qs = "q=bread && breakfast&filter_by=";
qmap.clear();
StringUtils::parse_query_string(qs, qmap);
ASSERT_EQ(2, qmap.size());
ASSERT_EQ("bread && breakfast", qmap["q"]);
ASSERT_EQ("", qmap["filter_by"]);
qs = "q=bread & breakfast&filter_by=";
qmap.clear();
StringUtils::parse_query_string(qs, qmap);
ASSERT_EQ(3, qmap.size());
ASSERT_EQ("bread ", qmap["q"]);
ASSERT_EQ("", qmap[" breakfast"]);
ASSERT_EQ("", qmap["filter_by"]);
qs = "q=bar&filter_by=&";
qmap.clear();
StringUtils::parse_query_string(qs, qmap);
ASSERT_EQ(2, qmap.size());
ASSERT_EQ("bar", qmap["q"]);
ASSERT_EQ("", qmap["filter_by"]);
qs = "q=bar&filter_by=points :> 100&enable_typos";
qmap.clear();
StringUtils::parse_query_string(qs, qmap);
ASSERT_EQ(3, qmap.size());
ASSERT_EQ("bar", qmap["q"]);
ASSERT_EQ("points :> 100", qmap["filter_by"]);
ASSERT_EQ("", qmap["enable_typos"]);
qs = "foo=bar&baz=&bazinga=true";
qmap.clear();
StringUtils::parse_query_string(qs, qmap);
ASSERT_EQ(3, qmap.size());
ASSERT_EQ("bar", qmap["foo"]);
ASSERT_EQ("", qmap["baz"]);
ASSERT_EQ("true", qmap["bazinga"]);
qs = "foo=bar&bazinga=true&foo=buzz";
qmap.clear();
StringUtils::parse_query_string(qs, qmap);
ASSERT_EQ(2, qmap.size());
ASSERT_EQ("buzz", qmap["foo"]);
ASSERT_EQ("true", qmap["bazinga"]);
qs = "filter_by=points:>100&bazinga=true&filter_by=points:<=200";
qmap.clear();
StringUtils::parse_query_string(qs, qmap);
ASSERT_EQ(2, qmap.size());
ASSERT_EQ("points:>100&&points:<=200", qmap["filter_by"]);
ASSERT_EQ("true", qmap["bazinga"]);
qs = "filter_by=points:>100 && brand:= nike&bazinga=true&filter_by=points:<=200";
qmap.clear();
StringUtils::parse_query_string(qs, qmap);
ASSERT_EQ(2, qmap.size());
ASSERT_EQ("points:>100 && brand:= nike&&points:<=200", qmap["filter_by"]);
ASSERT_EQ("true", qmap["bazinga"]);
qs = "foo";
qmap.clear();
StringUtils::parse_query_string(qs, qmap);
ASSERT_EQ(1, qmap.size());
ASSERT_EQ("", qmap["foo"]);
qs = "?foo=";
qmap.clear();
StringUtils::parse_query_string(qs, qmap);
ASSERT_EQ(1, qmap.size());
ASSERT_EQ("", qmap["foo"]);
qs = "?foo";
qmap.clear();
StringUtils::parse_query_string(qs, qmap);
ASSERT_EQ(1, qmap.size());
ASSERT_EQ("", qmap["foo"]);
qs = "?";
qmap.clear();
StringUtils::parse_query_string(qs, qmap);
ASSERT_EQ(0, qmap.size());
qs = "";
qmap.clear();
StringUtils::parse_query_string(qs, qmap);
ASSERT_EQ(0, qmap.size());
qs = "&";
qmap.clear();
StringUtils::parse_query_string(qs, qmap);
ASSERT_EQ(0, qmap.size());
qs = "&&";
qmap.clear();
StringUtils::parse_query_string(qs, qmap);
ASSERT_EQ(0, qmap.size());
}
TEST(StringUtilsTest, ShouldParseStringifiedList) {
std::string str = "John Galt, Random Jack";
std::vector<std::string> strs;
StringUtils::split_to_values(str, strs);
ASSERT_EQ(2, strs.size());
ASSERT_EQ("John Galt", strs[0]);
ASSERT_EQ("Random Jack", strs[1]);
strs.clear();
str = "`John Galt`, `Random, Jack`";
StringUtils::split_to_values(str, strs);
ASSERT_EQ(2, strs.size());
ASSERT_EQ("John Galt", strs[0]);
ASSERT_EQ("Random, Jack", strs[1]);
strs.clear();
str = "`John Galt, `Random, Jack`";
StringUtils::split_to_values(str, strs);
ASSERT_EQ(2, strs.size());
ASSERT_EQ("John Galt, Random", strs[0]);
ASSERT_EQ("Jack", strs[1]);
strs.clear();
str = "`Traveller's \\`delight\\`!`, Not wrapped, Last word";
StringUtils::split_to_values(str, strs);
ASSERT_EQ(3, strs.size());
ASSERT_EQ("Traveller's \\`delight\\`!", strs[0]);
ASSERT_EQ("Not wrapped", strs[1]);
ASSERT_EQ("Last word", strs[2]);
strs.clear();
str = "`John Galt`";
StringUtils::split_to_values(str, strs);
ASSERT_EQ(1, strs.size());
ASSERT_EQ("John Galt", strs[0]);
}
TEST(StringUtilsTest, ShouldTrimCurlySpaces) {
ASSERT_EQ("foo {bar}", StringUtils::trim_curly_spaces("foo { bar }"));
ASSERT_EQ("foo {bar}", StringUtils::trim_curly_spaces("foo { bar }"));
ASSERT_EQ("", StringUtils::trim_curly_spaces(""));
ASSERT_EQ("{}", StringUtils::trim_curly_spaces("{ }"));
ASSERT_EQ("foo {bar} {baz}", StringUtils::trim_curly_spaces("foo { bar } { baz}"));
}
TEST(StringUtilsTest, ContainsWord) {
ASSERT_TRUE(StringUtils::contains_word("foo bar", "foo"));
ASSERT_TRUE(StringUtils::contains_word("foo bar", "bar"));
ASSERT_TRUE(StringUtils::contains_word("foo bar baz", "bar"));
ASSERT_TRUE(StringUtils::contains_word("foo bar baz", "foo bar"));
ASSERT_TRUE(StringUtils::contains_word("foo bar baz", "bar baz"));
ASSERT_FALSE(StringUtils::contains_word("foobar", "bar"));
ASSERT_FALSE(StringUtils::contains_word("foobar", "foo"));
ASSERT_FALSE(StringUtils::contains_word("foobar baz", "bar"));
ASSERT_FALSE(StringUtils::contains_word("foobar baz", "bar baz"));
ASSERT_FALSE(StringUtils::contains_word("baz foobar", "foo"));
}
TEST(StringUtilsTest, ShouldSplitRangeFacet){
std::string range_facets_string = "score(fail:[0, 40], pass:[40, 100]), grade(A:[80,100], B:[60, 80], C:[40, 60])";
std::vector<std::string> range_facets;
StringUtils::split_facet(range_facets_string, range_facets);
ASSERT_EQ("score(fail:[0, 40], pass:[40, 100])", range_facets[0]);
ASSERT_EQ("grade(A:[80,100], B:[60, 80], C:[40, 60])", range_facets[1]);
std::string facets_string = "score, grade";
std::vector<std::string> facets;
StringUtils::split_facet(facets_string, facets);
ASSERT_EQ("score", facets[0]);
ASSERT_EQ("grade", facets[1]);
std::string mixed_facets_string = "score, grade(A:[80,100], B:[60, 80], C:[40, 60]), rank";
std::vector<std::string> mixed_facets;
StringUtils::split_facet(mixed_facets_string, mixed_facets);
ASSERT_EQ("score", mixed_facets[0]);
ASSERT_EQ("grade(A:[80,100], B:[60, 80], C:[40, 60])", mixed_facets[1]);
ASSERT_EQ("rank", mixed_facets[2]);
std::string reference_facets_string = " $Collection(score(fail:[0, 40], pass:[40, 100]), city) , grade,";
std::vector<std::string> reference_facets;
StringUtils::split_facet(reference_facets_string, reference_facets);
ASSERT_EQ("$Collection(score(fail:[0, 40], pass:[40, 100]), city)", reference_facets[0]);
ASSERT_EQ("grade", reference_facets[1]);
reference_facets_string = "score(fail:[0, 40], pass:[40, 100]), $Collection(city)";
reference_facets.clear();
StringUtils::split_facet(reference_facets_string, reference_facets);
ASSERT_EQ("score(fail:[0, 40], pass:[40, 100])", reference_facets[0]);
ASSERT_EQ("$Collection(city)", reference_facets[1]);
// empty string should produce empty list
std::vector<std::string> lines_empty;
StringUtils::split_facet("", lines_empty);
ASSERT_TRUE(lines_empty.empty());
}
void tokenizeTestHelper(const std::string& filter_query, const std::vector<std::string>& tokenList) {
std::queue<std::string> tokenizeOutput;
auto tokenize_op = StringUtils::tokenize_filter_query(filter_query, tokenizeOutput);
ASSERT_TRUE(tokenize_op.ok());
for (auto const& token: tokenList) {
ASSERT_EQ(token, tokenizeOutput.front());
tokenizeOutput.pop();
}
ASSERT_TRUE(tokenizeOutput.empty());
}
TEST(StringUtilsTest, TokenizeFilterQuery) {
std::string filter_query;
std::vector<std::string> tokenList;
filter_query = "name: Steve Smith";
tokenList = {"name: Steve Smith"};
tokenizeTestHelper(filter_query, tokenList);
filter_query = "name: `Toccata & Fugue`";
tokenList = {"name: `Toccata & Fugue`"};
tokenizeTestHelper(filter_query, tokenList);
filter_query = "name: [Steve Smith, `Jack & Jill`]";
tokenList = {"name: [Steve Smith, `Jack & Jill`]"};
tokenizeTestHelper(filter_query, tokenList);
filter_query = "age:[10..100]";
tokenList = {"age:[10..100]"};
tokenizeTestHelper(filter_query, tokenList);
filter_query = "age:>20 && category:= [`Running Shoes, Men`, Sneaker]";
tokenList = {"age:>20", "&&", "category:= [`Running Shoes, Men`, Sneaker]"};
tokenizeTestHelper(filter_query, tokenList);
filter_query = "location:(48.906, 2.343, 5 mi)";
tokenList = {"location:(48.906, 2.343, 5 mi)"};
tokenizeTestHelper(filter_query, tokenList);
filter_query = "((age: <5 || age: >10) && category:= [shoes]) || is_curated: true";
tokenList = {"(", "(", "age: <5", "||", "age: >10", ")", "&&", "category:= [shoes]", ")", "||", "is_curated: true"};
tokenizeTestHelper(filter_query, tokenList);
filter_query = "((age:<5||age:>10)&&location:(48.906,2.343,5mi))||tags:AT&T";
tokenList = {"(", "(", "age:<5", "||", "age:>10", ")", "&&", "location:(48.906,2.343,5mi)", ")", "||", "tags:AT&T"};
tokenizeTestHelper(filter_query, tokenList);
filter_query = "((age: <5 || age: >10) && category:= [shoes]) &&"
" $Customers(customer_id:=customer_a && (product_price:>100 && product_price:<200))";
tokenList = {"(", "(", "age: <5", "||", "age: >10", ")", "&&", "category:= [shoes]", ")", "&&",
"$Customers(customer_id:=customer_a && (product_price:>100 && product_price:<200))"};
tokenizeTestHelper(filter_query, tokenList);
}
void splitIncludeTestHelper(const std::string& include_fields, const std::vector<std::string>& expected) {
std::vector<std::string> output;
auto tokenize_op = StringUtils::split_include_fields(include_fields, output);
ASSERT_TRUE(tokenize_op.ok());
ASSERT_EQ(expected.size(), output.size());
for (auto i = 0; i < output.size(); i++) {
ASSERT_EQ(expected[i], output[i]);
}
}
TEST(StringUtilsTest, SplitIncludeFields) {
std::string include_fields;
std::vector<std::string> tokens;
include_fields = "id, title, count";
tokens = {"id", "title", "count"};
splitIncludeTestHelper(include_fields, tokens);
include_fields = "id, $Collection(title, pref*), count, ";
tokens = {"id", "$Collection(title, pref*)", "count"};
splitIncludeTestHelper(include_fields, tokens);
include_fields = "$Collection(title, pref*) as coll";
tokens = {"$Collection(title, pref*) as coll"};
splitIncludeTestHelper(include_fields, tokens);
include_fields = "id, $Collection(title, pref*) as coll , count, ";
tokens = {"id", "$Collection(title, pref*) as coll", "count"};
splitIncludeTestHelper(include_fields, tokens);
}