nixpkgs/pkgs/test/stdenv/default.nix

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# To run these tests:
# nix-build -A tests.stdenv
{ stdenv
, pkgs
, lib
, testers
}:
let
# early enough not to rebuild gcc but late enough to have patchelf
earlyPkgs = stdenv.__bootPackages.stdenv.__bootPackages;
earlierPkgs = stdenv.__bootPackages.stdenv.__bootPackages.stdenv.__bootPackages.stdenv.__bootPackages.stdenv.__bootPackages;
# use a early stdenv so when hacking on stdenv this test can be run quickly
bootStdenv = stdenv.__bootPackages.stdenv.__bootPackages.stdenv.__bootPackages.stdenv.__bootPackages.stdenv;
pkgsStructured = import pkgs.path { config = { structuredAttrsByDefault = true; }; inherit (stdenv.hostPlatform) system; };
bootStdenvStructuredAttrsByDefault = pkgsStructured.stdenv.__bootPackages.stdenv.__bootPackages.stdenv.__bootPackages.stdenv.__bootPackages.stdenv;
runCommand = earlierPkgs.runCommand;
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ccWrapperSubstitutionsTest = { name, stdenv', extraAttrs ? { } }:
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stdenv'.cc.overrideAttrs (previousAttrs: ({
inherit name;
postFixup = previousAttrs.postFixup + ''
declare -p wrapperName
echo "env.wrapperName = $wrapperName"
[[ $wrapperName == "CC_WRAPPER" ]] || (echo "'\$wrapperName' was not 'CC_WRAPPER'" && false)
declare -p suffixSalt
echo "env.suffixSalt = $suffixSalt"
[[ $suffixSalt == "${stdenv'.cc.suffixSalt}" ]] || (echo "'\$suffxSalt' was not '${stdenv'.cc.suffixSalt}'" && false)
grep -q "@out@" $out/bin/cc || echo "@out@ in $out/bin/cc was substituted"
grep -q "@suffixSalt@" $out/bin/cc && (echo "$out/bin/cc contains unsubstituted variables" && false)
touch $out
'';
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} // extraAttrs));
testEnvAttrset = { name, stdenv', extraAttrs ? { } }:
stdenv'.mkDerivation
({
inherit name;
env = {
string = "testing-string";
};
passAsFile = [ "buildCommand" ];
buildCommand = ''
declare -p string
echo "env.string = $string"
[[ $string == "testing-string" ]] || (echo "'\$string' was not 'testing-string'" && false)
[[ "$(declare -p string)" == 'declare -x string="testing-string"' ]] || (echo "'\$string' was not exported" && false)
touch $out
'';
} // extraAttrs);
testPrependAndAppendToVar = { name, stdenv', extraAttrs ? { } }:
stdenv'.mkDerivation
({
inherit name;
env = {
string = "testing-string";
};
passAsFile = [ "buildCommand" ] ++ lib.optionals (extraAttrs ? extraTest) [ "extraTest" ];
buildCommand = ''
declare -p string
appendToVar string hello
# test that quoted strings work
prependToVar string "world"
declare -p string
declare -A associativeArray=(["X"]="Y")
[[ $(appendToVar associativeArray "fail" 2>&1) =~ "trying to use" ]] || (echo "prependToVar did not catch prepending associativeArray" && false)
[[ $(prependToVar associativeArray "fail" 2>&1) =~ "trying to use" ]] || (echo "prependToVar did not catch prepending associativeArray" && false)
[[ $string == "world testing-string hello" ]] || (echo "'\$string' was not 'world testing-string hello'" && false)
# test appending to a unset variable
appendToVar nonExistant created hello
typeset -p nonExistant
if [[ -n $__structuredAttrs ]]; then
[[ "''${nonExistant[@]}" == "created hello" ]]
else
# there's a extra " " in front here and a extra " " in the end of prependToVar
# shouldn't matter because these functions will mostly be used for $*Flags and the Flag variable will in most cases already exit
[[ "$nonExistant" == " created hello" ]]
fi
eval "$extraTest"
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touch $out
'';
} // extraAttrs);
in
{
# tests for hooks in `stdenv.defaultNativeBuildInputs`
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hooks = lib.recurseIntoAttrs (import ./hooks.nix { stdenv = bootStdenv; pkgs = earlyPkgs; inherit lib; });
outputs-no-out = runCommand "outputs-no-out-assert" {
result = earlierPkgs.testers.testBuildFailure (bootStdenv.mkDerivation {
NIX_DEBUG = 1;
name = "outputs-no-out";
outputs = ["foo"];
buildPhase = ":";
installPhase = ''
touch $foo
'';
});
# Assumption: the first output* variable to be configured is
# _overrideFirst outputDev "dev" "out"
expectedMsg = "error: _assignFirst: could not find a non-empty variable whose name to assign to outputDev.\n The following variables were all unset or empty:\n dev out";
} ''
grep -F "$expectedMsg" $result/testBuildFailure.log >/dev/null
touch $out
'';
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test-env-attrset = testEnvAttrset { name = "test-env-attrset"; stdenv' = bootStdenv; };
# Test compatibility with derivations using `env` as a regular variable.
test-env-derivation = bootStdenv.mkDerivation rec {
name = "test-env-derivation";
env = bootStdenv.mkDerivation {
name = "foo";
buildCommand = ''
mkdir "$out"
touch "$out/bar"
'';
};
passAsFile = [ "buildCommand" ];
buildCommand = ''
declare -p env
[[ $env == "${env}" ]]
touch "$out"
'';
};
test-prepend-append-to-var = testPrependAndAppendToVar {
name = "test-prepend-append-to-var";
stdenv' = bootStdenv;
};
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test-structured-env-attrset = testEnvAttrset {
name = "test-structured-env-attrset";
stdenv' = bootStdenv;
extraAttrs = { __structuredAttrs = true; };
};
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test-cc-wrapper-substitutions = ccWrapperSubstitutionsTest {
name = "test-cc-wrapper-substitutions";
stdenv' = bootStdenv;
};
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structuredAttrsByDefault = lib.recurseIntoAttrs {
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hooks = lib.recurseIntoAttrs (import ./hooks.nix { stdenv = bootStdenvStructuredAttrsByDefault; pkgs = earlyPkgs; inherit lib; });
test-cc-wrapper-substitutions = ccWrapperSubstitutionsTest {
name = "test-cc-wrapper-substitutions-structuredAttrsByDefault";
stdenv' = bootStdenvStructuredAttrsByDefault;
};
test-structured-env-attrset = testEnvAttrset {
name = "test-structured-env-attrset-structuredAttrsByDefault";
stdenv' = bootStdenvStructuredAttrsByDefault;
};
test-prepend-append-to-var = testPrependAndAppendToVar {
name = "test-prepend-append-to-var-structuredAttrsByDefault";
stdenv' = bootStdenvStructuredAttrsByDefault;
extraAttrs = {
# will be a bash indexed array in attrs.sh
# declare -a list=('a' 'b' )
# and a json array in attrs.json
# "list":["a","b"]
list = [ "a" "b" ];
# will be a bash associative array(dictionary) in attrs.sh
# declare -A array=(['a']='1' ['b']='2' )
# and a json object in attrs.json
# {"array":{"a":"1","b":"2"}
array = { a = "1"; b = "2"; };
extraTest = ''
declare -p array
array+=(["c"]="3")
declare -p array
[[ "''${array[c]}" == "3" ]] || (echo "c element of '\$array' was not '3'" && false)
declare -p list
prependToVar list hello
# test that quoted strings work
appendToVar list "world"
declare -p list
[[ "''${list[0]}" == "hello" ]] || (echo "first element of '\$list' was not 'hello'" && false)
[[ "''${list[1]}" == "a" ]] || (echo "first element of '\$list' was not 'a'" && false)
[[ "''${list[-1]}" == "world" ]] || (echo "last element of '\$list' was not 'world'" && false)
'';
};
};
test-golden-example-structuredAttrs =
let
goldenSh = earlyPkgs.writeText "goldenSh" ''
declare -A EXAMPLE_ATTRS=(['foo']='bar' )
declare EXAMPLE_BOOL_FALSE=
declare EXAMPLE_BOOL_TRUE=1
declare EXAMPLE_INT=123
declare EXAMPLE_INT_NEG=-123
declare -a EXAMPLE_LIST=('foo' 'bar' )
declare EXAMPLE_STR='foo bar'
'';
goldenJson = earlyPkgs.writeText "goldenSh" ''
{
"EXAMPLE_ATTRS": {
"foo": "bar"
},
"EXAMPLE_BOOL_FALSE": false,
"EXAMPLE_BOOL_TRUE": true,
"EXAMPLE_INT": 123,
"EXAMPLE_INT_NEG": -123,
"EXAMPLE_LIST": [
"foo",
"bar"
],
"EXAMPLE_NESTED_ATTRS": {
"foo": {
"bar": "baz"
}
},
"EXAMPLE_NESTED_LIST": [
[
"foo",
"bar"
],
[
"baz"
]
],
"EXAMPLE_STR": "foo bar"
}
'';
in
bootStdenvStructuredAttrsByDefault.mkDerivation {
name = "test-golden-example-structuredAttrsByDefault";
nativeBuildInputs = [ earlyPkgs.jq ];
EXAMPLE_BOOL_TRUE = true;
EXAMPLE_BOOL_FALSE = false;
EXAMPLE_INT = 123;
EXAMPLE_INT_NEG = -123;
EXAMPLE_STR = "foo bar";
EXAMPLE_LIST = [ "foo" "bar" ];
EXAMPLE_NESTED_LIST = [ [ "foo" "bar" ] [ "baz" ] ];
EXAMPLE_ATTRS = { foo = "bar"; };
EXAMPLE_NESTED_ATTRS = { foo.bar = "baz"; };
inherit goldenSh;
inherit goldenJson;
buildCommand = ''
mkdir -p $out
cat $NIX_ATTRS_SH_FILE | grep "EXAMPLE" | grep -v -E 'installPhase|jq' > $out/sh
jq 'with_entries(select(.key|match("EXAMPLE")))' $NIX_ATTRS_JSON_FILE > $out/json
diff $out/sh $goldenSh
diff $out/json $goldenJson
'';
};
};
}