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Merge pull request #3571 from gilligan/nix-unit-testing

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Add unit tests
This commit is contained in:
Eelco Dolstra 2020-05-08 17:02:25 +02:00 committed by GitHub
parent 41caaaad36 181a47d884
commit d3d8186c9c
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 639 additions and 32 deletions
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1
Makefile
View file

@ -3,6 +3,7 @@ makefiles = \
local.mk \
nix-rust/local.mk \
src/libutil/local.mk \
src/libutil/tests/local.mk \
src/libstore/local.mk \
src/libfetchers/local.mk \
src/libmain/local.mk \

19
Makefile.config.in
View file

@ -1,36 +1,38 @@
AR = @AR@
BDW_GC_LIBS = @BDW_GC_LIBS@
BOOST_LDFLAGS = @BOOST_LDFLAGS@
BUILD_SHARED_LIBS = @BUILD_SHARED_LIBS@
CC = @CC@
CFLAGS = @CFLAGS@
CXX = @CXX@
CXXFLAGS = @CXXFLAGS@
LDFLAGS = @LDFLAGS@
EDITLINE_LIBS = @EDITLINE_LIBS@
ENABLE_S3 = @ENABLE_S3@
HAVE_SODIUM = @HAVE_SODIUM@
GTEST_LIBS = @GTEST_LIBS@
HAVE_SECCOMP = @HAVE_SECCOMP@
BOOST_LDFLAGS = @BOOST_LDFLAGS@
HAVE_SODIUM = @HAVE_SODIUM@
LDFLAGS = @LDFLAGS@
LIBARCHIVE_LIBS = @LIBARCHIVE_LIBS@
LIBBROTLI_LIBS = @LIBBROTLI_LIBS@
LIBCURL_LIBS = @LIBCURL_LIBS@
LIBLZMA_LIBS = @LIBLZMA_LIBS@
OPENSSL_LIBS = @OPENSSL_LIBS@
PACKAGE_NAME = @PACKAGE_NAME@
PACKAGE_VERSION = @PACKAGE_VERSION@
SODIUM_LIBS = @SODIUM_LIBS@
LIBLZMA_LIBS = @LIBLZMA_LIBS@
SQLITE3_LIBS = @SQLITE3_LIBS@
LIBBROTLI_LIBS = @LIBBROTLI_LIBS@
LIBARCHIVE_LIBS = @LIBARCHIVE_LIBS@
EDITLINE_LIBS = @EDITLINE_LIBS@
bash = @bash@
bindir = @bindir@
lsof = @lsof@
datadir = @datadir@
datarootdir = @datarootdir@
doc_generate = @doc_generate@
docdir = @docdir@
exec_prefix = @exec_prefix@
includedir = @includedir@
libdir = @libdir@
libexecdir = @libexecdir@
localstatedir = @localstatedir@
lsof = @lsof@
mandir = @mandir@
pkglibdir = $(libdir)/$(PACKAGE_NAME)
prefix = @prefix@
@ -38,6 +40,5 @@ sandbox_shell = @sandbox_shell@
storedir = @storedir@
sysconfdir = @sysconfdir@
system = @system@
doc_generate = @doc_generate@
xmllint = @xmllint@
xsltproc = @xsltproc@

4
configure.ac
View file

@ -266,6 +266,10 @@ if test "$gc" = yes; then
fi
# Look for gtest.
PKG_CHECK_MODULES([GTEST], [gtest_main])
# documentation generation switch
AC_ARG_ENABLE(doc-gen, AC_HELP_STRING([--disable-doc-gen],
[disable documentation generation]),

26
mk/programs.mk
View file

@ -35,24 +35,28 @@ define build-program
$$(trace-ld) $(CXX) -o $$@ $$(LDFLAGS) $$(GLOBAL_LDFLAGS) $$($(1)_OBJS) $$($(1)_LDFLAGS) $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_LDFLAGS_USE))
$(1)_INSTALL_DIR ?= $$(bindir)
$(1)_INSTALL_PATH := $$($(1)_INSTALL_DIR)/$(1)
$$(eval $$(call create-dir, $$($(1)_INSTALL_DIR)))
ifdef $(1)_INSTALL_DIR
install: $(DESTDIR)$$($(1)_INSTALL_PATH)
$(1)_INSTALL_PATH := $$($(1)_INSTALL_DIR)/$(1)
ifeq ($(BUILD_SHARED_LIBS), 1)
$$(eval $$(call create-dir, $$($(1)_INSTALL_DIR)))
_libs_final := $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_INSTALL_PATH))
install: $(DESTDIR)$$($(1)_INSTALL_PATH)
$(DESTDIR)$$($(1)_INSTALL_PATH): $$($(1)_OBJS) $$(_libs_final) | $(DESTDIR)$$($(1)_INSTALL_DIR)/
ifeq ($(BUILD_SHARED_LIBS), 1)
_libs_final := $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_INSTALL_PATH))
$(DESTDIR)$$($(1)_INSTALL_PATH): $$($(1)_OBJS) $$(_libs_final) | $(DESTDIR)$$($(1)_INSTALL_DIR)/
$$(trace-ld) $(CXX) -o $$@ $$(LDFLAGS) $$(GLOBAL_LDFLAGS) $$($(1)_OBJS) $$($(1)_LDFLAGS) $$(foreach lib, $$($(1)_LIBS), $$($$(lib)_LDFLAGS_USE_INSTALLED))
else
else
$(DESTDIR)$$($(1)_INSTALL_PATH): $$($(1)_PATH) | $(DESTDIR)$$($(1)_INSTALL_DIR)/
$(DESTDIR)$$($(1)_INSTALL_PATH): $$($(1)_PATH) | $(DESTDIR)$$($(1)_INSTALL_DIR)/
install -t $(DESTDIR)$$($(1)_INSTALL_DIR) $$<
endif
endif
# Propagate CFLAGS and CXXFLAGS to the individual object files.
@ -76,4 +80,10 @@ define build-program
programs-list += $$($(1)_PATH)
clean-files += $$($(1)_PATH) $$(_d)/*.o $$(_d)/.*.dep $$($(1)_DEPS) $$($(1)_OBJS)
dist-files += $$(_srcs)
# Phony target to run this program (typically as a dependency of 'check').
.PHONY: $(1)_RUN
$(1)_RUN: $$($(1)_PATH)
$(trace-test) $$($(1)_PATH)
endef

1
mk/tracing.mk
View file

@ -11,6 +11,7 @@ ifeq ($(V), 0)
trace-javac = @echo " JAVAC " $@;
trace-jar = @echo " JAR " $@;
trace-mkdir = @echo " MKDIR " $@;
trace-test = @echo " TEST " $@;
suppress = @

2
nix-rust/local.mk
View file

@ -41,5 +41,5 @@ ifneq ($(OS), Darwin)
check: rust-tests
rust-tests:
cd nix-rust && CARGO_HOME=$$(if [[ -d vendor ]]; then echo vendor; fi) cargo test --release $$(if [[ -d vendor ]]; then echo --offline; fi)
$(trace-test) cd nix-rust && CARGO_HOME=$$(if [[ -d vendor ]]; then echo vendor; fi) cargo test --release $$(if [[ -d vendor ]]; then echo --offline; fi)
endif

1
release-common.nix
View file

@ -55,6 +55,7 @@ rec {
# Tests
git
mercurial
gmock
]
++ lib.optionals stdenv.isLinux [libseccomp utillinuxMinimal]
++ lib.optional (stdenv.isLinux || stdenv.isDarwin) libsodium

15
src/libutil/tests/local.mk Normal file
View file

@ -0,0 +1,15 @@
check: libutil-tests_RUN
programs += libutil-tests
libutil-tests_DIR := $(d)
libutil-tests_INSTALL_DIR :=
libutil-tests_SOURCES := $(wildcard $(d)/*.cc)
libutil-tests_CXXFLAGS += -I src/libutil
libutil-tests_LIBS = libutil
libutil-tests_LDFLAGS := $(GTEST_LIBS)

585
src/libutil/tests/tests.cc Normal file
View file

@ -0,0 +1,585 @@
#include "util.hh"
#include "types.hh"
#include <gtest/gtest.h>
namespace nix {
/* ----------------------------------------------------------------------------
* absPath
* --------------------------------------------------------------------------*/
TEST(absPath, doesntChangeRoot) {
auto p = absPath("/");
ASSERT_EQ(p, "/");
}
TEST(absPath, turnsEmptyPathIntoCWD) {
char cwd[PATH_MAX+1];
auto p = absPath("");
ASSERT_EQ(p, getcwd((char*)&cwd, PATH_MAX));
}
TEST(absPath, usesOptionalBasePathWhenGiven) {
char _cwd[PATH_MAX+1];
char* cwd = getcwd((char*)&_cwd, PATH_MAX);
auto p = absPath("", cwd);
ASSERT_EQ(p, cwd);
}
TEST(absPath, isIdempotent) {
char _cwd[PATH_MAX+1];
char* cwd = getcwd((char*)&_cwd, PATH_MAX);
auto p1 = absPath(cwd);
auto p2 = absPath(p1);
ASSERT_EQ(p1, p2);
}
TEST(absPath, pathIsCanonicalised) {
auto path = "/some/path/with/trailing/dot/.";
auto p1 = absPath(path);
auto p2 = absPath(p1);
ASSERT_EQ(p1, "/some/path/with/trailing/dot");
ASSERT_EQ(p1, p2);
}
/* ----------------------------------------------------------------------------
* canonPath
* --------------------------------------------------------------------------*/
TEST(canonPath, removesTrailingSlashes) {
auto path = "/this/is/a/path//";
auto p = canonPath(path);
ASSERT_EQ(p, "/this/is/a/path");
}
TEST(canonPath, removesDots) {
auto path = "/this/./is/a/path/./";
auto p = canonPath(path);
ASSERT_EQ(p, "/this/is/a/path");
}
TEST(canonPath, removesDots2) {
auto path = "/this/a/../is/a////path/foo/..";
auto p = canonPath(path);
ASSERT_EQ(p, "/this/is/a/path");
}
TEST(canonPath, requiresAbsolutePath) {
ASSERT_ANY_THROW(canonPath("."));
ASSERT_ANY_THROW(canonPath(".."));
ASSERT_ANY_THROW(canonPath("../"));
ASSERT_DEATH({ canonPath(""); }, "path != \"\"");
}
/* ----------------------------------------------------------------------------
* dirOf
* --------------------------------------------------------------------------*/
TEST(dirOf, returnsEmptyStringForRoot) {
auto p = dirOf("/");
ASSERT_EQ(p, "/");
}
TEST(dirOf, returnsFirstPathComponent) {
auto p1 = dirOf("/dir/");
ASSERT_EQ(p1, "/dir");
auto p2 = dirOf("/dir");
ASSERT_EQ(p2, "/");
auto p3 = dirOf("/dir/..");
ASSERT_EQ(p3, "/dir");
auto p4 = dirOf("/dir/../");
ASSERT_EQ(p4, "/dir/..");
}
/* ----------------------------------------------------------------------------
* baseNameOf
* --------------------------------------------------------------------------*/
TEST(baseNameOf, emptyPath) {
auto p1 = baseNameOf("");
ASSERT_EQ(p1, "");
}
TEST(baseNameOf, pathOnRoot) {
auto p1 = baseNameOf("/dir");
ASSERT_EQ(p1, "dir");
}
TEST(baseNameOf, relativePath) {
auto p1 = baseNameOf("dir/foo");
ASSERT_EQ(p1, "foo");
}
TEST(baseNameOf, pathWithTrailingSlashRoot) {
auto p1 = baseNameOf("/");
ASSERT_EQ(p1, "");
}
TEST(baseNameOf, trailingSlash) {
auto p1 = baseNameOf("/dir/");
ASSERT_EQ(p1, "dir");
}
/* ----------------------------------------------------------------------------
* isInDir
* --------------------------------------------------------------------------*/
TEST(isInDir, trivialCase) {
auto p1 = isInDir("/foo/bar", "/foo");
ASSERT_EQ(p1, true);
}
TEST(isInDir, notInDir) {
auto p1 = isInDir("/zes/foo/bar", "/foo");
ASSERT_EQ(p1, false);
}
// XXX: hm, bug or feature? :) Looking at the implementation
// this might be problematic.
TEST(isInDir, emptyDir) {
auto p1 = isInDir("/zes/foo/bar", "");
ASSERT_EQ(p1, true);
}
/* ----------------------------------------------------------------------------
* isDirOrInDir
* --------------------------------------------------------------------------*/
TEST(isDirOrInDir, trueForSameDirectory) {
ASSERT_EQ(isDirOrInDir("/nix", "/nix"), true);
ASSERT_EQ(isDirOrInDir("/", "/"), true);
}
TEST(isDirOrInDir, trueForEmptyPaths) {
ASSERT_EQ(isDirOrInDir("", ""), true);
}
TEST(isDirOrInDir, falseForDisjunctPaths) {
ASSERT_EQ(isDirOrInDir("/foo", "/bar"), false);
}
TEST(isDirOrInDir, relativePaths) {
ASSERT_EQ(isDirOrInDir("/foo/..", "/foo"), true);
}
// XXX: while it is possible to use "." or ".." in the
// first argument this doesn't seem to work in the second.
TEST(isDirOrInDir, DISABLED_shouldWork) {
ASSERT_EQ(isDirOrInDir("/foo/..", "/foo/."), true);
}
/* ----------------------------------------------------------------------------
* pathExists
* --------------------------------------------------------------------------*/
TEST(pathExists, rootExists) {
ASSERT_TRUE(pathExists("/"));
}
TEST(pathExists, cwdExists) {
ASSERT_TRUE(pathExists("."));
}
TEST(pathExists, bogusPathDoesNotExist) {
ASSERT_FALSE(pathExists("/home/schnitzel/darmstadt/pommes"));
}
/* ----------------------------------------------------------------------------
* concatStringsSep
* --------------------------------------------------------------------------*/
TEST(concatStringsSep, buildCommaSeparatedString) {
Strings strings;
strings.push_back("this");
strings.push_back("is");
strings.push_back("great");
ASSERT_EQ(concatStringsSep(",", strings), "this,is,great");
}
TEST(concatStringsSep, buildStringWithEmptySeparator) {
Strings strings;
strings.push_back("this");
strings.push_back("is");
strings.push_back("great");
ASSERT_EQ(concatStringsSep("", strings), "thisisgreat");
}
TEST(concatStringsSep, buildSingleString) {
Strings strings;
strings.push_back("this");
ASSERT_EQ(concatStringsSep(",", strings), "this");
}
/* ----------------------------------------------------------------------------
* hasPrefix
* --------------------------------------------------------------------------*/
TEST(hasPrefix, emptyStringHasNoPrefix) {
ASSERT_FALSE(hasPrefix("", "foo"));
}
TEST(hasPrefix, emptyStringIsAlwaysPrefix) {
ASSERT_TRUE(hasPrefix("foo", ""));
ASSERT_TRUE(hasPrefix("jshjkfhsadf", ""));
}
TEST(hasPrefix, trivialCase) {
ASSERT_TRUE(hasPrefix("foobar", "foo"));
}
/* ----------------------------------------------------------------------------
* hasSuffix
* --------------------------------------------------------------------------*/
TEST(hasSuffix, emptyStringHasNoSuffix) {
ASSERT_FALSE(hasSuffix("", "foo"));
}
TEST(hasSuffix, trivialCase) {
ASSERT_TRUE(hasSuffix("foo", "foo"));
ASSERT_TRUE(hasSuffix("foobar", "bar"));
}
/* ----------------------------------------------------------------------------
* base64Encode
* --------------------------------------------------------------------------*/
TEST(base64Encode, emptyString) {
ASSERT_EQ(base64Encode(""), "");
}
TEST(base64Encode, encodesAString) {
ASSERT_EQ(base64Encode("quod erat demonstrandum"), "cXVvZCBlcmF0IGRlbW9uc3RyYW5kdW0=");
}
TEST(base64Encode, encodeAndDecode) {
auto s = "quod erat demonstrandum";
auto encoded = base64Encode(s);
auto decoded = base64Decode(encoded);
ASSERT_EQ(decoded, s);
}
/* ----------------------------------------------------------------------------
* base64Decode
* --------------------------------------------------------------------------*/
TEST(base64Decode, emptyString) {
ASSERT_EQ(base64Decode(""), "");
}
TEST(base64Decode, decodeAString) {
ASSERT_EQ(base64Decode("cXVvZCBlcmF0IGRlbW9uc3RyYW5kdW0="), "quod erat demonstrandum");
}
/* ----------------------------------------------------------------------------
* toLower
* --------------------------------------------------------------------------*/
TEST(toLower, emptyString) {
ASSERT_EQ(toLower(""), "");
}
TEST(toLower, nonLetters) {
auto s = "!@(*$#)(@#=\\234_";
ASSERT_EQ(toLower(s), s);
}
// std::tolower() doesn't handle unicode characters. In the context of
// store paths this isn't relevant but doesn't hurt to record this behavior
// here.
TEST(toLower, umlauts) {
auto s = "ÄÖÜ";
ASSERT_EQ(toLower(s), "ÄÖÜ");
}
/* ----------------------------------------------------------------------------
* string2Float
* --------------------------------------------------------------------------*/
TEST(string2Float, emptyString) {
double n;
ASSERT_EQ(string2Float("", n), false);
}
TEST(string2Float, trivialConversions) {
double n;
ASSERT_EQ(string2Float("1.0", n), true);
ASSERT_EQ(n, 1.0);
ASSERT_EQ(string2Float("0.0", n), true);
ASSERT_EQ(n, 0.0);
ASSERT_EQ(string2Float("-100.25", n), true);
ASSERT_EQ(n, (-100.25));
}
/* ----------------------------------------------------------------------------
* string2Int
* --------------------------------------------------------------------------*/
TEST(string2Int, emptyString) {
double n;
ASSERT_EQ(string2Int("", n), false);
}
TEST(string2Int, trivialConversions) {
double n;
ASSERT_EQ(string2Int("1", n), true);
ASSERT_EQ(n, 1);
ASSERT_EQ(string2Int("0", n), true);
ASSERT_EQ(n, 0);
ASSERT_EQ(string2Int("-100", n), true);
ASSERT_EQ(n, (-100));
}
/* ----------------------------------------------------------------------------
* statusOk
* --------------------------------------------------------------------------*/
TEST(statusOk, zeroIsOk) {
ASSERT_EQ(statusOk(0), true);
ASSERT_EQ(statusOk(1), false);
}
/* ----------------------------------------------------------------------------
* rewriteStrings
* --------------------------------------------------------------------------*/
TEST(rewriteStrings, emptyString) {
StringMap rewrites;
rewrites["this"] = "that";
ASSERT_EQ(rewriteStrings("", rewrites), "");
}
TEST(rewriteStrings, emptyRewrites) {
StringMap rewrites;
ASSERT_EQ(rewriteStrings("this and that", rewrites), "this and that");
}
TEST(rewriteStrings, successfulRewrite) {
StringMap rewrites;
rewrites["this"] = "that";
ASSERT_EQ(rewriteStrings("this and that", rewrites), "that and that");
}
TEST(rewriteStrings, doesntOccur) {
StringMap rewrites;
rewrites["foo"] = "bar";
ASSERT_EQ(rewriteStrings("this and that", rewrites), "this and that");
}
/* ----------------------------------------------------------------------------
* replaceStrings
* --------------------------------------------------------------------------*/
TEST(replaceStrings, emptyString) {
ASSERT_EQ(replaceStrings("", "this", "that"), "");
ASSERT_EQ(replaceStrings("this and that", "", ""), "this and that");
}
TEST(replaceStrings, successfulReplace) {
ASSERT_EQ(replaceStrings("this and that", "this", "that"), "that and that");
}
TEST(replaceStrings, doesntOccur) {
ASSERT_EQ(replaceStrings("this and that", "foo", "bar"), "this and that");
}
/* ----------------------------------------------------------------------------
* trim
* --------------------------------------------------------------------------*/
TEST(trim, emptyString) {
ASSERT_EQ(trim(""), "");
}
TEST(trim, removesWhitespace) {
ASSERT_EQ(trim("foo"), "foo");
ASSERT_EQ(trim(" foo "), "foo");
ASSERT_EQ(trim(" foo bar baz"), "foo bar baz");
ASSERT_EQ(trim(" \t foo bar baz\n"), "foo bar baz");
}
/* ----------------------------------------------------------------------------
* chomp
* --------------------------------------------------------------------------*/
TEST(chomp, emptyString) {
ASSERT_EQ(chomp(""), "");
}
TEST(chomp, removesWhitespace) {
ASSERT_EQ(chomp("foo"), "foo");
ASSERT_EQ(chomp("foo "), "foo");
ASSERT_EQ(chomp(" foo "), " foo");
ASSERT_EQ(chomp(" foo bar baz "), " foo bar baz");
ASSERT_EQ(chomp("\t foo bar baz\n"), "\t foo bar baz");
}
/* ----------------------------------------------------------------------------
* quoteStrings
* --------------------------------------------------------------------------*/
TEST(quoteStrings, empty) {
Strings s = { };
Strings expected = { };
ASSERT_EQ(quoteStrings(s), expected);
}
TEST(quoteStrings, emptyStrings) {
Strings s = { "", "", "" };
Strings expected = { "''", "''", "''" };
ASSERT_EQ(quoteStrings(s), expected);
}
TEST(quoteStrings, trivialQuote) {
Strings s = { "foo", "bar", "baz" };
Strings expected = { "'foo'", "'bar'", "'baz'" };
ASSERT_EQ(quoteStrings(s), expected);
}
TEST(quoteStrings, quotedStrings) {
Strings s = { "'foo'", "'bar'", "'baz'" };
Strings expected = { "''foo''", "''bar''", "''baz''" };
ASSERT_EQ(quoteStrings(s), expected);
}
/* ----------------------------------------------------------------------------
* tokenizeString
* --------------------------------------------------------------------------*/
TEST(tokenizeString, empty) {
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_EQ(filterANSIEscapes(s), expected);
}
TEST(filterANSIEscapes, doesntChangePrintableChars) {
auto s = "09 2q304ruyhr slk2-19024 kjsadh sar f";
ASSERT_EQ(filterANSIEscapes(s), s);
}
TEST(filterANSIEscapes, filtersColorCodes) {
auto s = "\u001b[30m A \u001b[31m B \u001b[32m C \u001b[33m D \u001b[0m";
ASSERT_EQ(filterANSIEscapes(s, true, 2), " A" );
ASSERT_EQ(filterANSIEscapes(s, true, 3), " A " );
ASSERT_EQ(filterANSIEscapes(s, true, 4), " A " );
ASSERT_EQ(filterANSIEscapes(s, true, 5), " A B" );
ASSERT_EQ(filterANSIEscapes(s, true, 8), " A B C" );
}
TEST(filterANSIEscapes, expandsTabs) {
auto s = "foo\tbar\tbaz";
ASSERT_EQ(filterANSIEscapes(s, true), "foo bar baz" );
}
}

17
src/libutil/util.hh
View file

@ -58,12 +58,12 @@ Path canonPath(const Path & path, bool resolveSymlinks = false);
/* Return the directory part of the given canonical path, i.e.,
everything before the final `/'. If the path is the root or an
immediate child thereof (e.g., `/foo'), this means an empty string
is returned. */
immediate child thereof (e.g., `/foo'), this means `/'
is returned.*/
Path dirOf(const Path & path);
/* Return the base name of the given canonical path, i.e., everything
following the final `/'. */
following the final `/' (trailing slashes are removed). */
std::string_view baseNameOf(std::string_view path);
/* Check whether 'path' is a descendant of 'dir'. */
@ -389,17 +389,6 @@ string replaceStrings(const std::string & s,
std::string rewriteStrings(const std::string & s, const StringMap & rewrites);
/* If a set contains 'from', remove it and insert 'to'. */
template<typename T>
void replaceInSet(std::set<T> & set, const T & from, const T & to)
{
auto i = set.find(from);
if (i == set.end()) return;
set.erase(i);
set.insert(to);
}
/* Convert the exit status of a child as returned by wait() into an
error string. */
string statusToString(int status);