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nix-super/tests/unit/libstore/machines.cc
John Ericson f2bcebc450 Restore exposing machine file parsing 
This was accidentally removed in
e989c83b44. I restored it and also did a
few other cleanups:

- Make a static method for namespacing purposes

- Put the test files in the data dir with the other test data

- Avoid mutating globals in the machine config tests

This will be used by Hydra.
2024-05-23 00:03:52 -04:00

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#include "machines.hh"
#include "file-system.hh"
#include "util.hh"
#include "tests/characterization.hh"
#include <gtest/gtest.h>
#include <gmock/gmock-matchers.h>
using testing::Contains;
using testing::ElementsAre;
using testing::Eq;
using testing::Field;
using testing::SizeIs;
using namespace nix;
TEST(machines, getMachinesWithEmptyBuilders) {
auto actual = Machine::parseConfig({}, "");
ASSERT_THAT(actual, SizeIs(0));
}
TEST(machines, getMachinesUriOnly) {
auto actual = Machine::parseConfig({"TEST_ARCH-TEST_OS"}, "nix@scratchy.labs.cs.uu.nl");
ASSERT_THAT(actual, SizeIs(1));
EXPECT_THAT(actual[0], Field(&Machine::storeUri, Eq(StoreReference::parse("ssh://nix@scratchy.labs.cs.uu.nl"))));
EXPECT_THAT(actual[0], Field(&Machine::systemTypes, ElementsAre("TEST_ARCH-TEST_OS")));
EXPECT_THAT(actual[0], Field(&Machine::sshKey, SizeIs(0)));
EXPECT_THAT(actual[0], Field(&Machine::maxJobs, Eq(1)));
EXPECT_THAT(actual[0], Field(&Machine::speedFactor, Eq(1)));
EXPECT_THAT(actual[0], Field(&Machine::supportedFeatures, SizeIs(0)));
EXPECT_THAT(actual[0], Field(&Machine::mandatoryFeatures, SizeIs(0)));
EXPECT_THAT(actual[0], Field(&Machine::sshPublicHostKey, SizeIs(0)));
}
TEST(machines, getMachinesDefaults) {
auto actual = Machine::parseConfig({"TEST_ARCH-TEST_OS"}, "nix@scratchy.labs.cs.uu.nl - - - - - - -");
ASSERT_THAT(actual, SizeIs(1));
EXPECT_THAT(actual[0], Field(&Machine::storeUri, Eq(StoreReference::parse("ssh://nix@scratchy.labs.cs.uu.nl"))));
EXPECT_THAT(actual[0], Field(&Machine::systemTypes, ElementsAre("TEST_ARCH-TEST_OS")));
EXPECT_THAT(actual[0], Field(&Machine::sshKey, SizeIs(0)));
EXPECT_THAT(actual[0], Field(&Machine::maxJobs, Eq(1)));
EXPECT_THAT(actual[0], Field(&Machine::speedFactor, Eq(1)));
EXPECT_THAT(actual[0], Field(&Machine::supportedFeatures, SizeIs(0)));
EXPECT_THAT(actual[0], Field(&Machine::mandatoryFeatures, SizeIs(0)));
EXPECT_THAT(actual[0], Field(&Machine::sshPublicHostKey, SizeIs(0)));
}
MATCHER_P(AuthorityMatches, authority, "") {
*result_listener
<< "where the authority of "
<< arg.render()
<< " is "
<< authority;
auto * generic = std::get_if<StoreReference::Specified>(&arg.variant);
if (!generic) return false;
return generic->authority == authority;
}
TEST(machines, getMachinesWithNewLineSeparator) {
auto actual = Machine::parseConfig({}, "nix@scratchy.labs.cs.uu.nl\nnix@itchy.labs.cs.uu.nl");
ASSERT_THAT(actual, SizeIs(2));
EXPECT_THAT(actual, Contains(Field(&Machine::storeUri, AuthorityMatches("nix@scratchy.labs.cs.uu.nl"))));
EXPECT_THAT(actual, Contains(Field(&Machine::storeUri, AuthorityMatches("nix@itchy.labs.cs.uu.nl"))));
}
TEST(machines, getMachinesWithSemicolonSeparator) {
auto actual = Machine::parseConfig({}, "nix@scratchy.labs.cs.uu.nl ; nix@itchy.labs.cs.uu.nl");
EXPECT_THAT(actual, SizeIs(2));
EXPECT_THAT(actual, Contains(Field(&Machine::storeUri, AuthorityMatches("nix@scratchy.labs.cs.uu.nl"))));
EXPECT_THAT(actual, Contains(Field(&Machine::storeUri, AuthorityMatches("nix@itchy.labs.cs.uu.nl"))));
}
TEST(machines, getMachinesWithCorrectCompleteSingleBuilder) {
auto actual = Machine::parseConfig({},
"nix@scratchy.labs.cs.uu.nl i686-linux "
"/home/nix/.ssh/id_scratchy_auto 8 3 kvm "
"benchmark SSH+HOST+PUBLIC+KEY+BASE64+ENCODED==");
ASSERT_THAT(actual, SizeIs(1));
EXPECT_THAT(actual[0], Field(&Machine::storeUri, AuthorityMatches("nix@scratchy.labs.cs.uu.nl")));
EXPECT_THAT(actual[0], Field(&Machine::systemTypes, ElementsAre("i686-linux")));
EXPECT_THAT(actual[0], Field(&Machine::sshKey, Eq("/home/nix/.ssh/id_scratchy_auto")));
EXPECT_THAT(actual[0], Field(&Machine::maxJobs, Eq(8)));
EXPECT_THAT(actual[0], Field(&Machine::speedFactor, Eq(3)));
EXPECT_THAT(actual[0], Field(&Machine::supportedFeatures, ElementsAre("kvm")));
EXPECT_THAT(actual[0], Field(&Machine::mandatoryFeatures, ElementsAre("benchmark")));
EXPECT_THAT(actual[0], Field(&Machine::sshPublicHostKey, Eq("SSH+HOST+PUBLIC+KEY+BASE64+ENCODED==")));
}
TEST(machines,
getMachinesWithCorrectCompleteSingleBuilderWithTabColumnDelimiter) {
auto actual = Machine::parseConfig({},
"nix@scratchy.labs.cs.uu.nl\ti686-linux\t/home/nix/.ssh/"
"id_scratchy_auto\t8\t3\tkvm\tbenchmark\tSSH+HOST+PUBLIC+"
"KEY+BASE64+ENCODED==");
ASSERT_THAT(actual, SizeIs(1));
EXPECT_THAT(actual[0], Field(&Machine::storeUri, AuthorityMatches("nix@scratchy.labs.cs.uu.nl")));
EXPECT_THAT(actual[0], Field(&Machine::systemTypes, ElementsAre("i686-linux")));
EXPECT_THAT(actual[0], Field(&Machine::sshKey, Eq("/home/nix/.ssh/id_scratchy_auto")));
EXPECT_THAT(actual[0], Field(&Machine::maxJobs, Eq(8)));
EXPECT_THAT(actual[0], Field(&Machine::speedFactor, Eq(3)));
EXPECT_THAT(actual[0], Field(&Machine::supportedFeatures, ElementsAre("kvm")));
EXPECT_THAT(actual[0], Field(&Machine::mandatoryFeatures, ElementsAre("benchmark")));
EXPECT_THAT(actual[0], Field(&Machine::sshPublicHostKey, Eq("SSH+HOST+PUBLIC+KEY+BASE64+ENCODED==")));
}
TEST(machines, getMachinesWithMultiOptions) {
auto actual = Machine::parseConfig({},
"nix@scratchy.labs.cs.uu.nl Arch1,Arch2 - - - "
"SupportedFeature1,SupportedFeature2 "
"MandatoryFeature1,MandatoryFeature2");
ASSERT_THAT(actual, SizeIs(1));
EXPECT_THAT(actual[0], Field(&Machine::storeUri, AuthorityMatches("nix@scratchy.labs.cs.uu.nl")));
EXPECT_THAT(actual[0], Field(&Machine::systemTypes, ElementsAre("Arch1", "Arch2")));
EXPECT_THAT(actual[0], Field(&Machine::supportedFeatures, ElementsAre("SupportedFeature1", "SupportedFeature2")));
EXPECT_THAT(actual[0], Field(&Machine::mandatoryFeatures, ElementsAre("MandatoryFeature1", "MandatoryFeature2")));
}
TEST(machines, getMachinesWithIncorrectFormat) {
EXPECT_THROW(
Machine::parseConfig({}, "nix@scratchy.labs.cs.uu.nl - - eight"),
FormatError);
EXPECT_THROW(
Machine::parseConfig({}, "nix@scratchy.labs.cs.uu.nl - - -1"),
FormatError);
EXPECT_THROW(
Machine::parseConfig({}, "nix@scratchy.labs.cs.uu.nl - - 8 three"),
FormatError);
EXPECT_THROW(
Machine::parseConfig({}, "nix@scratchy.labs.cs.uu.nl - - 8 -3"),
UsageError);
EXPECT_THROW(
Machine::parseConfig({}, "nix@scratchy.labs.cs.uu.nl - - 8 3 - - BAD_BASE64"),
FormatError);
}
TEST(machines, getMachinesWithCorrectFileReference) {
auto path = absPath(getUnitTestData() + "/machines/valid");
ASSERT_TRUE(pathExists(path));
auto actual = Machine::parseConfig({}, "@" + path);
ASSERT_THAT(actual, SizeIs(3));
EXPECT_THAT(actual, Contains(Field(&Machine::storeUri, AuthorityMatches("nix@scratchy.labs.cs.uu.nl"))));
EXPECT_THAT(actual, Contains(Field(&Machine::storeUri, AuthorityMatches("nix@itchy.labs.cs.uu.nl"))));
EXPECT_THAT(actual, Contains(Field(&Machine::storeUri, AuthorityMatches("nix@poochie.labs.cs.uu.nl"))));
}
TEST(machines, getMachinesWithCorrectFileReferenceToEmptyFile) {
auto path = "/dev/null";
ASSERT_TRUE(pathExists(path));
auto actual = Machine::parseConfig({}, std::string{"@"} + path);
ASSERT_THAT(actual, SizeIs(0));
}
TEST(machines, getMachinesWithIncorrectFileReference) {
auto actual = Machine::parseConfig({}, "@" + absPath("/not/a/file"));
ASSERT_THAT(actual, SizeIs(0));
}
TEST(machines, getMachinesWithCorrectFileReferenceToIncorrectFile) {
EXPECT_THROW(
Machine::parseConfig({}, "@" + absPath(getUnitTestData() + "/machines/bad_format")),
FormatError);
}
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