WIP: add unit tests for libutil
This is a proof on concept to evaluate writing unit tests for Nix using google test (https://github.com/google/googletest). In order to execute tests: $ make unit-tests $ ./unit-tests The Makefile rules for `unit-tests` is a complete hack.
This commit is contained in:
Tobias Pflug
parent
74a1bfdcab
commit
58ed1e6d68
3
Makefile
3
Makefile
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@ -16,7 +16,8 @@ makefiles = \
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misc/upstart/local.mk \
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doc/manual/local.mk \
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tests/local.mk \
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tests/plugins/local.mk
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tests/plugins/local.mk \
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tests/unit-tests/local.mk
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-include Makefile.config
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@ -55,6 +55,7 @@ rec {
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# Tests
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git
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mercurial
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gmock
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]
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++ lib.optionals stdenv.isLinux [libseccomp utillinuxMinimal]
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++ lib.optional (stdenv.isLinux || stdenv.isDarwin) libsodium
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@ -0,0 +1,4 @@
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LIBS=-larchive -lcrypto -llzma -lbz2 -lz -lbrotlienc -lbrotlidec
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unit-tests:
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echo $(nix_LDFLAGS)
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$(CXX) -o unit-test $(nix_CXXFLAGS) $(nix_LDFLAGS) $(LIBS) --std=c++17 $$(pkg-config --libs gtest_main) ./src/libutil/*.o tests/unit-tests/test-util.cc
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@ -0,0 +1,594 @@
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#include "../../src/libutil/util.hh"
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#include "../../src/libutil/types.hh"
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#include <gtest/gtest.h>
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namespace nix {
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/* ----------------------------------------------------------------------------
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* absPath
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* --------------------------------------------------------------------------*/
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TEST(absPath, doesntChangeRoot) {
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auto p = absPath("/");
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ASSERT_STREQ(p.c_str(), "/");
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}
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TEST(absPath, turnsEmptyPathIntoCWD) {
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char cwd[PATH_MAX+1];
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auto p = absPath("");
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ASSERT_STREQ(p.c_str(), getcwd((char*)&cwd, PATH_MAX));
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}
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TEST(absPath, usesOptionalBasePathWhenGiven) {
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char _cwd[PATH_MAX+1];
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char* cwd = getcwd((char*)&_cwd, PATH_MAX);
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auto p = absPath("", cwd);
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ASSERT_STREQ(p.c_str(), cwd);
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}
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TEST(absPath, isIdempotent) {
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char _cwd[PATH_MAX+1];
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char* cwd = getcwd((char*)&_cwd, PATH_MAX);
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auto p1 = absPath(cwd);
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auto p2 = absPath(p1);
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ASSERT_STREQ(p1.c_str(), p2.c_str());
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}
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TEST(absPath, pathIsCanonicalised) {
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auto path = "/some/path/with/trailing/dot/.";
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auto p1 = absPath(path);
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auto p2 = absPath(p1);
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ASSERT_STREQ(p1.c_str(), "/some/path/with/trailing/dot");
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ASSERT_STREQ(p1.c_str(), p2.c_str());
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}
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/* ----------------------------------------------------------------------------
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* canonPath
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* --------------------------------------------------------------------------*/
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TEST(canonPath, removesTrailingSlashes) {
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auto path = "/this/is/a/path//";
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auto p = canonPath(path);
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ASSERT_STREQ(p.c_str(), "/this/is/a/path");
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}
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TEST(canonPath, removesDots) {
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auto path = "/this/./is/a/path/./";
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auto p = canonPath(path);
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ASSERT_STREQ(p.c_str(), "/this/is/a/path");
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}
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TEST(canonPath, removesDots2) {
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auto path = "/this/a/../is/a////path/foo/..";
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auto p = canonPath(path);
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ASSERT_STREQ(p.c_str(), "/this/is/a/path");
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}
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TEST(canonPath, requiresAbsolutePath) {
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ASSERT_ANY_THROW(canonPath("."));
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ASSERT_ANY_THROW(canonPath(".."));
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ASSERT_ANY_THROW(canonPath("../"));
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ASSERT_DEATH({ canonPath(""); }, "path != \"\"");
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}
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/* ----------------------------------------------------------------------------
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* dirOf
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* --------------------------------------------------------------------------*/
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// XXX: according to the doc of `dirOf`, dirOf("/") and dirOf("/foo")
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// should both return "" but it actually returns "/" in both cases
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TEST(dirOf, DISABLED_returnsEmptyStringForRoot) {
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auto p = dirOf("/");
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ASSERT_STREQ(p.c_str(), "");
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}
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TEST(dirOf, returnsFirstPathComponent) {
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auto p1 = dirOf("/dir/");
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ASSERT_STREQ(p1.c_str(), "/dir");
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auto p2 = dirOf("/dir");
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ASSERT_STREQ(p2.c_str(), "/");
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auto p3 = dirOf("/dir/..");
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ASSERT_STREQ(p3.c_str(), "/dir");
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auto p4 = dirOf("/dir/../");
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ASSERT_STREQ(p4.c_str(), "/dir/..");
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}
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/* ----------------------------------------------------------------------------
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* baseNameOf
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* --------------------------------------------------------------------------*/
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TEST(baseNameOf, emptyPath) {
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auto p1 = baseNameOf("");
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ASSERT_STREQ(std::string(p1).c_str(), "");
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}
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TEST(baseNameOf, pathOnRoot) {
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auto p1 = baseNameOf("/dir");
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ASSERT_STREQ(std::string(p1).c_str(), "dir");
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}
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TEST(baseNameOf, relativePath) {
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auto p1 = baseNameOf("dir/foo");
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ASSERT_STREQ(std::string(p1).c_str(), "foo");
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}
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TEST(baseNameOf, pathWithTrailingSlashRoot) {
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auto p1 = baseNameOf("/");
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ASSERT_STREQ(std::string(p1).c_str(), "");
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}
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// XXX: according to the doc of `baseNameOf`, baseNameOf("/dir/") should return
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// "" but it actually returns "dir"
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TEST(baseNameOf, DISABLED_trailingSlash) {
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auto p1 = baseNameOf("/dir/");
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ASSERT_STREQ(std::string(p1).c_str(), "");
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}
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/* ----------------------------------------------------------------------------
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* isInDir
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* --------------------------------------------------------------------------*/
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TEST(isInDir, trivialCase) {
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auto p1 = isInDir("/foo/bar", "/foo");
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ASSERT_EQ(p1, true);
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}
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TEST(isInDir, notInDir) {
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auto p1 = isInDir("/zes/foo/bar", "/foo");
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ASSERT_EQ(p1, false);
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}
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// XXX: hm, bug or feature? :) Looking at the implementation
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// this might be problematic.
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TEST(isInDir, emptyDir) {
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auto p1 = isInDir("/zes/foo/bar", "");
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ASSERT_EQ(p1, true);
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}
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/* ----------------------------------------------------------------------------
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* isDirOrInDir
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* --------------------------------------------------------------------------*/
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TEST(isDirOrInDir, trueForSameDirectory) {
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ASSERT_EQ(isDirOrInDir("/nix", "/nix"), true);
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ASSERT_EQ(isDirOrInDir("/", "/"), true);
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}
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TEST(isDirOrInDir, trueForEmptyPaths) {
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ASSERT_EQ(isDirOrInDir("", ""), true);
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}
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TEST(isDirOrInDir, falseForDisjunctPaths) {
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ASSERT_EQ(isDirOrInDir("/foo", "/bar"), false);
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}
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TEST(isDirOrInDir, relativePaths) {
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ASSERT_EQ(isDirOrInDir("/foo/..", "/foo"), true);
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}
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// XXX: while it is possible to use "." or ".." in the
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// first argument this doesn't seem to work in the second.
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TEST(isDirOrInDir, DISABLED_shouldWork) {
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ASSERT_EQ(isDirOrInDir("/foo/..", "/foo/."), true);
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}
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/* ----------------------------------------------------------------------------
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* pathExists
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* --------------------------------------------------------------------------*/
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TEST(pathExists, rootExists) {
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ASSERT_TRUE(pathExists("/"));
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}
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TEST(pathExists, cwdExists) {
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ASSERT_TRUE(pathExists("."));
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}
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TEST(pathExists, bogusPathDoesNotExist) {
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ASSERT_FALSE(pathExists("/home/schnitzel/darmstadt/pommes"));
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}
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/* ----------------------------------------------------------------------------
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* concatStringsSep
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* --------------------------------------------------------------------------*/
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TEST(concatStringsSep, buildCommaSeparatedString) {
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Strings strings;
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strings.push_back("this");
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strings.push_back("is");
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strings.push_back("great");
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ASSERT_EQ(concatStringsSep(",", strings), "this,is,great");
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}
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TEST(concatStringsSep, buildStringWithEmptySeparator) {
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Strings strings;
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strings.push_back("this");
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strings.push_back("is");
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strings.push_back("great");
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ASSERT_EQ(concatStringsSep("", strings), "thisisgreat");
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}
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TEST(concatStringsSep, buildSingleString) {
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Strings strings;
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strings.push_back("this");
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ASSERT_EQ(concatStringsSep(",", strings), "this");
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}
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/* ----------------------------------------------------------------------------
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* hasPrefix
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* --------------------------------------------------------------------------*/
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TEST(hasPrefix, emptyStringHasNoPrefix) {
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ASSERT_FALSE(hasPrefix("", "foo"));
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}
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TEST(hasPrefix, emptyStringIsAlwaysPrefix) {
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ASSERT_TRUE(hasPrefix("foo", ""));
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ASSERT_TRUE(hasPrefix("jshjkfhsadf", ""));
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}
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TEST(hasPrefix, trivialCase) {
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ASSERT_TRUE(hasPrefix("foobar", "foo"));
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}
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/* ----------------------------------------------------------------------------
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* hasSuffix
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* --------------------------------------------------------------------------*/
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TEST(hasSuffix, emptyStringHasNoSuffix) {
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ASSERT_FALSE(hasSuffix("", "foo"));
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}
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TEST(hasSuffix, trivialCase) {
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ASSERT_TRUE(hasSuffix("foo", "foo"));
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ASSERT_TRUE(hasSuffix("foobar", "bar"));
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}
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/* ----------------------------------------------------------------------------
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* base64Encode
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* --------------------------------------------------------------------------*/
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TEST(base64Encode, emptyString) {
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ASSERT_STREQ(base64Encode("").c_str(), "");
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}
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TEST(base64Encode, encodesAString) {
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ASSERT_STREQ(base64Encode("quod erat demonstrandum").c_str(), "cXVvZCBlcmF0IGRlbW9uc3RyYW5kdW0=");
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}
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TEST(base64Encode, encodeAndDecode) {
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auto s = "quod erat demonstrandum";
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auto encoded = base64Encode(s);
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auto decoded = base64Decode(encoded);
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ASSERT_STREQ(decoded.c_str(), s);
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}
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/* ----------------------------------------------------------------------------
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* base64Decode
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* --------------------------------------------------------------------------*/
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TEST(base64Decode, emptyString) {
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ASSERT_STREQ(base64Decode("").c_str(), "");
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}
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TEST(base64Decode, decodeAString) {
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ASSERT_STREQ(base64Decode("cXVvZCBlcmF0IGRlbW9uc3RyYW5kdW0=").c_str(), "quod erat demonstrandum");
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}
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/* ----------------------------------------------------------------------------
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* toLower
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* --------------------------------------------------------------------------*/
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TEST(toLower, emptyString) {
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ASSERT_STREQ(toLower("").c_str(), "");
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}
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TEST(toLower, nonLetters) {
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auto s = "!@(*$#)(@#=\\234_";
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ASSERT_STREQ(toLower(s).c_str(), s);
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}
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// XXX: std::tolower() doesn't cover this. This probably doesn't matter
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// since the context is paths and store paths specifically where such
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// characters are not allowed.
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TEST(toLower, DISABLED_umlauts) {
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auto s = "ÄÖÜ";
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ASSERT_STREQ(toLower(s).c_str(), "äöü");
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}
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/* ----------------------------------------------------------------------------
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* string2Float
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* --------------------------------------------------------------------------*/
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TEST(string2Float, emptyString) {
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double n;
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ASSERT_EQ(string2Float("", n), false);
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}
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TEST(string2Float, trivialConversions) {
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double n;
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ASSERT_EQ(string2Float("1.0", n), true);
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ASSERT_EQ(n, 1.0);
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ASSERT_EQ(string2Float("0.0", n), true);
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ASSERT_EQ(n, 0.0);
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ASSERT_EQ(string2Float("-100.25", n), true);
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ASSERT_EQ(n, (-100.25));
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}
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/* ----------------------------------------------------------------------------
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* string2Int
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* --------------------------------------------------------------------------*/
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TEST(string2Int, emptyString) {
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double n;
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ASSERT_EQ(string2Int("", n), false);
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}
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TEST(string2Int, trivialConversions) {
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double n;
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ASSERT_EQ(string2Int("1", n), true);
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ASSERT_EQ(n, 1);
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ASSERT_EQ(string2Int("0", n), true);
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ASSERT_EQ(n, 0);
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ASSERT_EQ(string2Int("-100", n), true);
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ASSERT_EQ(n, (-100));
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}
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/* ----------------------------------------------------------------------------
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* statusOk
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* --------------------------------------------------------------------------*/
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TEST(statusOk, zeroIsOk) {
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ASSERT_EQ(statusOk(0), true);
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ASSERT_EQ(statusOk(1), false);
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}
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/* ----------------------------------------------------------------------------
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* replaceInSet : XXX: this function isn't called anywhere!
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* --------------------------------------------------------------------------*/
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/* ----------------------------------------------------------------------------
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* rewriteStrings
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* --------------------------------------------------------------------------*/
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TEST(rewriteStrings, emptyString) {
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StringMap rewrites;
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rewrites["this"] = "that";
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ASSERT_STREQ(rewriteStrings("", rewrites).c_str(), "");
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}
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TEST(rewriteStrings, emptyRewrites) {
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StringMap rewrites;
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ASSERT_STREQ(rewriteStrings("this and that", rewrites).c_str(), "this and that");
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}
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TEST(rewriteStrings, successfulRewrite) {
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StringMap rewrites;
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rewrites["this"] = "that";
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ASSERT_STREQ(rewriteStrings("this and that", rewrites).c_str(), "that and that");
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}
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TEST(rewriteStrings, doesntOccur) {
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StringMap rewrites;
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rewrites["foo"] = "bar";
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ASSERT_STREQ(rewriteStrings("this and that", rewrites).c_str(), "this and that");
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}
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/* ----------------------------------------------------------------------------
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* replaceStrings
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* --------------------------------------------------------------------------*/
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TEST(replaceStrings, emptyString) {
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ASSERT_STREQ(replaceStrings("", "this", "that").c_str(), "");
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ASSERT_STREQ(replaceStrings("this and that", "", "").c_str(), "this and that");
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}
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TEST(replaceStrings, successfulReplace) {
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ASSERT_STREQ(replaceStrings("this and that", "this", "that").c_str(), "that and that");
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}
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TEST(replaceStrings, doesntOccur) {
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ASSERT_STREQ(replaceStrings("this and that", "foo", "bar").c_str(), "this and that");
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}
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/* ----------------------------------------------------------------------------
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* trim
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* --------------------------------------------------------------------------*/
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TEST(trim, emptyString) {
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ASSERT_STREQ(trim("").c_str(), "");
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}
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TEST(trim, removesWhitespace) {
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ASSERT_STREQ(trim("foo").c_str(), "foo");
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ASSERT_STREQ(trim(" foo ").c_str(), "foo");
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ASSERT_STREQ(trim(" foo bar baz").c_str(), "foo bar baz");
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ASSERT_STREQ(trim(" \t foo bar baz\n").c_str(), "foo bar baz");
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}
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/* ----------------------------------------------------------------------------
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* chomp
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* --------------------------------------------------------------------------*/
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TEST(chomp, emptyString) {
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ASSERT_STREQ(chomp("").c_str(), "");
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}
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TEST(chomp, removesWhitespace) {
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ASSERT_STREQ(chomp("foo").c_str(), "foo");
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ASSERT_STREQ(chomp("foo ").c_str(), "foo");
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ASSERT_STREQ(chomp(" foo ").c_str(), " foo");
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ASSERT_STREQ(chomp(" foo bar baz ").c_str(), " foo bar baz");
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ASSERT_STREQ(chomp("\t foo bar baz\n").c_str(), "\t foo bar baz");
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}
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/* ----------------------------------------------------------------------------
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* quoteStrings
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* --------------------------------------------------------------------------*/
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TEST(quoteStrings, empty) {
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Strings s = { };
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Strings expected = { };
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ASSERT_EQ(quoteStrings(s), expected);
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}
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TEST(quoteStrings, emptyStrings) {
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Strings s = { "", "", "" };
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Strings expected = { "''", "''", "''" };
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ASSERT_EQ(quoteStrings(s), expected);
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}
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TEST(quoteStrings, trivialQuote) {
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Strings s = { "foo", "bar", "baz" };
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Strings expected = { "'foo'", "'bar'", "'baz'" };
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ASSERT_EQ(quoteStrings(s), expected);
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}
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TEST(quoteStrings, quotedStrings) {
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Strings s = { "'foo'", "'bar'", "'baz'" };
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Strings expected = { "''foo''", "''bar''", "''baz''" };
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ASSERT_EQ(quoteStrings(s), expected);
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}
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/* ----------------------------------------------------------------------------
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* tokenizeString
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* --------------------------------------------------------------------------*/
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||||
|
||||
TEST(tokenizeString, empty) {
|
||||
auto s = "";
|
||||
Strings expected = { };
|
||||
|
||||
ASSERT_EQ(tokenizeString<Strings>(""), expected);
|
||||
}
|
||||
|
||||
TEST(tokenizeString, tokenizeSpacesWithDefaults) {
|
||||
auto s = "foo bar baz";
|
||||
Strings expected = { "foo", "bar", "baz" };
|
||||
|
||||
ASSERT_EQ(tokenizeString<Strings>(s), expected);
|
||||
}
|
||||
|
||||
TEST(tokenizeString, tokenizeTabsWithDefaults) {
|
||||
auto s = "foo\tbar\tbaz";
|
||||
Strings expected = { "foo", "bar", "baz" };
|
||||
|
||||
ASSERT_EQ(tokenizeString<Strings>(s), expected);
|
||||
}
|
||||
|
||||
TEST(tokenizeString, tokenizeTabsSpacesWithDefaults) {
|
||||
auto s = "foo\t bar\t baz";
|
||||
Strings expected = { "foo", "bar", "baz" };
|
||||
|
||||
ASSERT_EQ(tokenizeString<Strings>(s), expected);
|
||||
}
|
||||
|
||||
TEST(tokenizeString, tokenizeTabsSpacesNewlineWithDefaults) {
|
||||
auto s = "foo\t\n bar\t\n baz";
|
||||
Strings expected = { "foo", "bar", "baz" };
|
||||
|
||||
ASSERT_EQ(tokenizeString<Strings>(s), expected);
|
||||
}
|
||||
|
||||
TEST(tokenizeString, tokenizeTabsSpacesNewlineRetWithDefaults) {
|
||||
auto s = "foo\t\n\r bar\t\n\r baz";
|
||||
Strings expected = { "foo", "bar", "baz" };
|
||||
|
||||
ASSERT_EQ(tokenizeString<Strings>(s), expected);
|
||||
|
||||
auto s2 = "foo \t\n\r bar \t\n\r baz";
|
||||
Strings expected2 = { "foo", "bar", "baz" };
|
||||
|
||||
ASSERT_EQ(tokenizeString<Strings>(s2), expected2);
|
||||
}
|
||||
|
||||
TEST(tokenizeString, tokenizeWithCustomSep) {
|
||||
auto s = "foo\n,bar\n,baz\n";
|
||||
Strings expected = { "foo\n", "bar\n", "baz\n" };
|
||||
|
||||
ASSERT_EQ(tokenizeString<Strings>(s, ","), expected);
|
||||
}
|
||||
|
||||
/* ----------------------------------------------------------------------------
|
||||
* get
|
||||
* --------------------------------------------------------------------------*/
|
||||
|
||||
TEST(get, emptyContainer) {
|
||||
StringMap s = { };
|
||||
auto expected = std::nullopt;
|
||||
|
||||
ASSERT_EQ(get(s, "one"), expected);
|
||||
}
|
||||
|
||||
TEST(get, getFromContainer) {
|
||||
StringMap s;
|
||||
s["one"] = "yi";
|
||||
s["two"] = "er";
|
||||
auto expected = "yi";
|
||||
|
||||
ASSERT_EQ(get(s, "one"), expected);
|
||||
}
|
||||
|
||||
/* ----------------------------------------------------------------------------
|
||||
* filterANSIEscapes
|
||||
* --------------------------------------------------------------------------*/
|
||||
|
||||
TEST(filterANSIEscapes, emptyString) {
|
||||
auto s = "";
|
||||
auto expected = "";
|
||||
|
||||
ASSERT_STREQ(filterANSIEscapes(s).c_str(), expected);
|
||||
}
|
||||
|
||||
TEST(filterANSIEscapes, doesntChangePrintableChars) {
|
||||
auto s = "09 2q304ruyhr slk2-19024 kjsadh sar f";
|
||||
|
||||
ASSERT_STREQ(filterANSIEscapes(s).c_str(), s);
|
||||
}
|
||||
|
||||
TEST(filterANSIEscapes, filtersColorCodes) {
|
||||
auto s = "\u001b[30m A \u001b[31m B \u001b[32m C \u001b[33m D \u001b[0m";
|
||||
|
||||
ASSERT_STREQ(filterANSIEscapes(s, true, 2).c_str(), " A" );
|
||||
ASSERT_STREQ(filterANSIEscapes(s, true, 3).c_str(), " A " );
|
||||
ASSERT_STREQ(filterANSIEscapes(s, true, 4).c_str(), " A " );
|
||||
ASSERT_STREQ(filterANSIEscapes(s, true, 5).c_str(), " A B" );
|
||||
ASSERT_STREQ(filterANSIEscapes(s, true, 8).c_str(), " A B C" );
|
||||
}
|
||||
|
||||
TEST(filterANSIEscapes, expandsTabs) {
|
||||
auto s = "foo\tbar\tbaz";
|
||||
|
||||
ASSERT_STREQ(filterANSIEscapes(s, true).c_str(), "foo bar baz" );
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue