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nixpkgs/lib/tests/modules.sh
Victor Engmark 989f034ff1 lib/tests: Set hardening pragmas
Makes any programming errors more likely to show up early.

Non-obvious changes because of this:

- Ignore the `evalConfig` result in `reportFailure`; we're not checking
  it at that point.
- Pre-increment `$fail` and `$pass` to make sure the arithmetic doesn't
  result in a zero, which would result in a non-zero exit code for the
  expression.
2021-11-26 10:55:14 +13:00

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#!/usr/bin/env bash
#
# This script is used to test that the module system is working as expected.
# By default it test the version of nixpkgs which is defined in the NIX_PATH.
set -o errexit -o noclobber -o nounset -o pipefail
shopt -s failglob inherit_errexit
# https://stackoverflow.com/a/246128/6605742
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
cd "$DIR"/modules
pass=0
fail=0
evalConfig() {
local attr=$1
shift
local script="import ./default.nix { modules = [ $* ];}"
nix-instantiate --timeout 1 -E "$script" -A "$attr" --eval-only --show-trace --read-write-mode
}
reportFailure() {
local attr=$1
shift
local script="import ./default.nix { modules = [ $* ];}"
echo 2>&1 "$ nix-instantiate -E '$script' -A '$attr' --eval-only"
evalConfig "$attr" "$@" || true
((++fail))
}
checkConfigOutput() {
local outputContains=$1
shift
if evalConfig "$@" 2>/dev/null | grep --silent "$outputContains" ; then
((++pass))
else
echo 2>&1 "error: Expected result matching '$outputContains', while evaluating"
reportFailure "$@"
fi
}
checkConfigError() {
local errorContains=$1
local err=""
shift
if err="$(evalConfig "$@" 2>&1 >/dev/null)"; then
echo 2>&1 "error: Expected error code, got exit code 0, while evaluating"
reportFailure "$@"
else
if echo "$err" | grep -zP --silent "$errorContains" ; then
((++pass))
else
echo 2>&1 "error: Expected error matching '$errorContains', while evaluating"
reportFailure "$@"
fi
fi
}
# Check boolean option.
checkConfigOutput "false" config.enable ./declare-enable.nix
checkConfigError 'The option .* does not exist. Definition values:\n\s*- In .*: true' config.enable ./define-enable.nix
# Check integer types.
# unsigned
checkConfigOutput "42" config.value ./declare-int-unsigned-value.nix ./define-value-int-positive.nix
checkConfigError 'A definition for option .* is not of type.*unsigned integer.*. Definition values:\n\s*- In .*: -23' config.value ./declare-int-unsigned-value.nix ./define-value-int-negative.nix
# positive
checkConfigError 'A definition for option .* is not of type.*positive integer.*. Definition values:\n\s*- In .*: 0' config.value ./declare-int-positive-value.nix ./define-value-int-zero.nix
# between
checkConfigOutput "42" config.value ./declare-int-between-value.nix ./define-value-int-positive.nix
checkConfigError 'A definition for option .* is not of type.*between.*-21 and 43.*inclusive.*. Definition values:\n\s*- In .*: -23' config.value ./declare-int-between-value.nix ./define-value-int-negative.nix
# Check either types
# types.either
checkConfigOutput "42" config.value ./declare-either.nix ./define-value-int-positive.nix
checkConfigOutput "\"24\"" config.value ./declare-either.nix ./define-value-string.nix
# types.oneOf
checkConfigOutput "42" config.value ./declare-oneOf.nix ./define-value-int-positive.nix
checkConfigOutput "[ ]" config.value ./declare-oneOf.nix ./define-value-list.nix
checkConfigOutput "\"24\"" config.value ./declare-oneOf.nix ./define-value-string.nix
# Check mkForce without submodules.
set -- config.enable ./declare-enable.nix ./define-enable.nix
checkConfigOutput "true" "$@"
checkConfigOutput "false" "$@" ./define-force-enable.nix
checkConfigOutput "false" "$@" ./define-enable-force.nix
# Check mkForce with option and submodules.
checkConfigError 'attribute .*foo.* .* not found' config.attrsOfSub.foo.enable ./declare-attrsOfSub-any-enable.nix
checkConfigOutput 'false' config.attrsOfSub.foo.enable ./declare-attrsOfSub-any-enable.nix ./define-attrsOfSub-foo.nix
set -- config.attrsOfSub.foo.enable ./declare-attrsOfSub-any-enable.nix ./define-attrsOfSub-foo-enable.nix
checkConfigOutput 'true' "$@"
checkConfigOutput 'false' "$@" ./define-force-attrsOfSub-foo-enable.nix
checkConfigOutput 'false' "$@" ./define-attrsOfSub-force-foo-enable.nix
checkConfigOutput 'false' "$@" ./define-attrsOfSub-foo-force-enable.nix
checkConfigOutput 'false' "$@" ./define-attrsOfSub-foo-enable-force.nix
# Check overriding effect of mkForce on submodule definitions.
checkConfigError 'attribute .*bar.* .* not found' config.attrsOfSub.bar.enable ./declare-attrsOfSub-any-enable.nix ./define-attrsOfSub-foo.nix
checkConfigOutput 'false' config.attrsOfSub.bar.enable ./declare-attrsOfSub-any-enable.nix ./define-attrsOfSub-foo.nix ./define-attrsOfSub-bar.nix
set -- config.attrsOfSub.bar.enable ./declare-attrsOfSub-any-enable.nix ./define-attrsOfSub-foo.nix ./define-attrsOfSub-bar-enable.nix
checkConfigOutput 'true' "$@"
checkConfigError 'attribute .*bar.* .* not found' "$@" ./define-force-attrsOfSub-foo-enable.nix
checkConfigError 'attribute .*bar.* .* not found' "$@" ./define-attrsOfSub-force-foo-enable.nix
checkConfigOutput 'true' "$@" ./define-attrsOfSub-foo-force-enable.nix
checkConfigOutput 'true' "$@" ./define-attrsOfSub-foo-enable-force.nix
# Check mkIf with submodules.
checkConfigError 'attribute .*foo.* .* not found' config.attrsOfSub.foo.enable ./declare-enable.nix ./declare-attrsOfSub-any-enable.nix
set -- config.attrsOfSub.foo.enable ./declare-enable.nix ./declare-attrsOfSub-any-enable.nix
checkConfigError 'attribute .*foo.* .* not found' "$@" ./define-if-attrsOfSub-foo-enable.nix
checkConfigError 'attribute .*foo.* .* not found' "$@" ./define-attrsOfSub-if-foo-enable.nix
checkConfigError 'attribute .*foo.* .* not found' "$@" ./define-attrsOfSub-foo-if-enable.nix
checkConfigOutput 'false' "$@" ./define-attrsOfSub-foo-enable-if.nix
checkConfigOutput 'true' "$@" ./define-enable.nix ./define-if-attrsOfSub-foo-enable.nix
checkConfigOutput 'true' "$@" ./define-enable.nix ./define-attrsOfSub-if-foo-enable.nix
checkConfigOutput 'true' "$@" ./define-enable.nix ./define-attrsOfSub-foo-if-enable.nix
checkConfigOutput 'true' "$@" ./define-enable.nix ./define-attrsOfSub-foo-enable-if.nix
# Check disabledModules with config definitions and option declarations.
set -- config.enable ./define-enable.nix ./declare-enable.nix
checkConfigOutput "true" "$@"
checkConfigOutput "false" "$@" ./disable-define-enable.nix
checkConfigError "The option .*enable.* does not exist. Definition values:\n\s*- In .*: true" "$@" ./disable-declare-enable.nix
checkConfigError "attribute .*enable.* in selection path .*config.enable.* not found" "$@" ./disable-define-enable.nix ./disable-declare-enable.nix
checkConfigError "attribute .*enable.* in selection path .*config.enable.* not found" "$@" ./disable-enable-modules.nix
# Check _module.args.
set -- config.enable ./declare-enable.nix ./define-enable-with-custom-arg.nix
checkConfigError 'while evaluating the module argument .*custom.* in .*define-enable-with-custom-arg.nix.*:' "$@"
checkConfigOutput "true" "$@" ./define-_module-args-custom.nix
# Check that using _module.args on imports cause infinite recursions, with
# the proper error context.
set -- "$@" ./define-_module-args-custom.nix ./import-custom-arg.nix
checkConfigError 'while evaluating the module argument .*custom.* in .*import-custom-arg.nix.*:' "$@"
checkConfigError 'infinite recursion encountered' "$@"
# Check _module.check.
set -- config.enable ./declare-enable.nix ./define-enable.nix ./define-attrsOfSub-foo.nix
checkConfigError 'The option .* does not exist. Definition values:\n\s*- In .*' "$@"
checkConfigOutput "true" "$@" ./define-module-check.nix
# Check coerced value.
checkConfigOutput "\"42\"" config.value ./declare-coerced-value.nix
checkConfigOutput "\"24\"" config.value ./declare-coerced-value.nix ./define-value-string.nix
checkConfigError 'A definition for option .* is not.*string or signed integer convertible to it.*. Definition values:\n\s*- In .*: \[ \]' config.value ./declare-coerced-value.nix ./define-value-list.nix
# Check coerced value with unsound coercion
checkConfigOutput "12" config.value ./declare-coerced-value-unsound.nix
checkConfigError 'A definition for option .* is not of type .*. Definition values:\n\s*- In .*: "1000"' config.value ./declare-coerced-value-unsound.nix ./define-value-string-bigint.nix
checkConfigError 'json.exception.parse_error' config.value ./declare-coerced-value-unsound.nix ./define-value-string-arbitrary.nix
# Check mkAliasOptionModule.
checkConfigOutput "true" config.enable ./alias-with-priority.nix
checkConfigOutput "true" config.enableAlias ./alias-with-priority.nix
checkConfigOutput "false" config.enable ./alias-with-priority-can-override.nix
checkConfigOutput "false" config.enableAlias ./alias-with-priority-can-override.nix
# submoduleWith
## specialArgs should work
checkConfigOutput "foo" config.submodule.foo ./declare-submoduleWith-special.nix
## shorthandOnlyDefines config behaves as expected
checkConfigOutput "true" config.submodule.config ./declare-submoduleWith-shorthand.nix ./define-submoduleWith-shorthand.nix
checkConfigError 'is not of type `boolean' config.submodule.config ./declare-submoduleWith-shorthand.nix ./define-submoduleWith-noshorthand.nix
checkConfigError "You're trying to declare a value of type \`bool'\n\s*rather than an attribute-set for the option" config.submodule.config ./declare-submoduleWith-noshorthand.nix ./define-submoduleWith-shorthand.nix
checkConfigOutput "true" config.submodule.config ./declare-submoduleWith-noshorthand.nix ./define-submoduleWith-noshorthand.nix
## submoduleWith should merge all modules in one swoop
checkConfigOutput "true" config.submodule.inner ./declare-submoduleWith-modules.nix
checkConfigOutput "true" config.submodule.outer ./declare-submoduleWith-modules.nix
# Should also be able to evaluate the type name (which evaluates freeformType,
# which evaluates all the modules defined by the type)
checkConfigOutput "submodule" options.submodule.type.description ./declare-submoduleWith-modules.nix
## submodules can be declared using (evalModules {...}).type
checkConfigOutput "true" config.submodule.inner ./declare-submodule-via-evalModules.nix
checkConfigOutput "true" config.submodule.outer ./declare-submodule-via-evalModules.nix
# Should also be able to evaluate the type name (which evaluates freeformType,
# which evaluates all the modules defined by the type)
checkConfigOutput "submodule" options.submodule.type.description ./declare-submodule-via-evalModules.nix
## Paths should be allowed as values and work as expected
checkConfigOutput "true" config.submodule.enable ./declare-submoduleWith-path.nix
# Check that disabledModules works recursively and correctly
checkConfigOutput "true" config.enable ./disable-recursive/main.nix
checkConfigOutput "true" config.enable ./disable-recursive/{main.nix,disable-foo.nix}
checkConfigOutput "true" config.enable ./disable-recursive/{main.nix,disable-bar.nix}
checkConfigError 'The option .* does not exist. Definition values:\n\s*- In .*: true' config.enable ./disable-recursive/{main.nix,disable-foo.nix,disable-bar.nix}
# Check that imports can depend on derivations
checkConfigOutput "true" config.enable ./import-from-store.nix
# Check that configs can be conditional on option existence
checkConfigOutput true config.enable ./define-option-dependently.nix ./declare-enable.nix ./declare-int-positive-value.nix
checkConfigOutput 360 config.value ./define-option-dependently.nix ./declare-enable.nix ./declare-int-positive-value.nix
checkConfigOutput 7 config.value ./define-option-dependently.nix ./declare-int-positive-value.nix
checkConfigOutput true config.set.enable ./define-option-dependently-nested.nix ./declare-enable-nested.nix ./declare-int-positive-value-nested.nix
checkConfigOutput 360 config.set.value ./define-option-dependently-nested.nix ./declare-enable-nested.nix ./declare-int-positive-value-nested.nix
checkConfigOutput 7 config.set.value ./define-option-dependently-nested.nix ./declare-int-positive-value-nested.nix
# Check attrsOf and lazyAttrsOf. Only lazyAttrsOf should be lazy, and only
# attrsOf should work with conditional definitions
# In addition, lazyAttrsOf should honor an options emptyValue
checkConfigError "is not lazy" config.isLazy ./declare-attrsOf.nix ./attrsOf-lazy-check.nix
checkConfigOutput "true" config.isLazy ./declare-lazyAttrsOf.nix ./attrsOf-lazy-check.nix
checkConfigOutput "true" config.conditionalWorks ./declare-attrsOf.nix ./attrsOf-conditional-check.nix
checkConfigOutput "false" config.conditionalWorks ./declare-lazyAttrsOf.nix ./attrsOf-conditional-check.nix
checkConfigOutput "empty" config.value.foo ./declare-lazyAttrsOf.nix ./attrsOf-conditional-check.nix
# Even with multiple assignments, a type error should be thrown if any of them aren't valid
checkConfigError 'A definition for option .* is not of type .*' \
config.value ./declare-int-unsigned-value.nix ./define-value-list.nix ./define-value-int-positive.nix
## Freeform modules
# Assigning without a declared option should work
checkConfigOutput 24 config.value ./freeform-attrsOf.nix ./define-value-string.nix
# No freeform assigments shouldn't make it error
checkConfigOutput '{ }' config ./freeform-attrsOf.nix
# but only if the type matches
checkConfigError 'A definition for option .* is not of type .*' config.value ./freeform-attrsOf.nix ./define-value-list.nix
# and properties should be applied
checkConfigOutput yes config.value ./freeform-attrsOf.nix ./define-value-string-properties.nix
# Options should still be declarable, and be able to have a type that doesn't match the freeform type
checkConfigOutput false config.enable ./freeform-attrsOf.nix ./define-value-string.nix ./declare-enable.nix
checkConfigOutput 24 config.value ./freeform-attrsOf.nix ./define-value-string.nix ./declare-enable.nix
# and this should work too with nested values
checkConfigOutput false config.nest.foo ./freeform-attrsOf.nix ./freeform-nested.nix
checkConfigOutput bar config.nest.bar ./freeform-attrsOf.nix ./freeform-nested.nix
# Check whether a declared option can depend on an freeform-typed one
checkConfigOutput null config.foo ./freeform-attrsOf.nix ./freeform-str-dep-unstr.nix
checkConfigOutput 24 config.foo ./freeform-attrsOf.nix ./freeform-str-dep-unstr.nix ./define-value-string.nix
# Check whether an freeform-typed value can depend on a declared option, this can only work with lazyAttrsOf
checkConfigError 'infinite recursion encountered' config.foo ./freeform-attrsOf.nix ./freeform-unstr-dep-str.nix
checkConfigError 'The option .* is used but not defined' config.foo ./freeform-lazyAttrsOf.nix ./freeform-unstr-dep-str.nix
checkConfigOutput 24 config.foo ./freeform-lazyAttrsOf.nix ./freeform-unstr-dep-str.nix ./define-value-string.nix
## types.anything
# Check that attribute sets are merged recursively
checkConfigOutput null config.value.foo ./types-anything/nested-attrs.nix
checkConfigOutput null config.value.l1.foo ./types-anything/nested-attrs.nix
checkConfigOutput null config.value.l1.l2.foo ./types-anything/nested-attrs.nix
checkConfigOutput null config.value.l1.l2.l3.foo ./types-anything/nested-attrs.nix
# Attribute sets that are coercible to strings shouldn't be recursed into
checkConfigOutput foo config.value.outPath ./types-anything/attrs-coercible.nix
# Multiple lists aren't concatenated together
checkConfigError 'The option .* has conflicting definitions' config.value ./types-anything/lists.nix
# Check that all equalizable atoms can be used as long as all definitions are equal
checkConfigOutput 0 config.value.int ./types-anything/equal-atoms.nix
checkConfigOutput false config.value.bool ./types-anything/equal-atoms.nix
checkConfigOutput '""' config.value.string ./types-anything/equal-atoms.nix
checkConfigOutput / config.value.path ./types-anything/equal-atoms.nix
checkConfigOutput null config.value.null ./types-anything/equal-atoms.nix
checkConfigOutput 0.1 config.value.float ./types-anything/equal-atoms.nix
# Functions can't be merged together
checkConfigError "The option .value.multiple-lambdas.<function body>. has conflicting option types" config.applied.multiple-lambdas ./types-anything/functions.nix
checkConfigOutput '<LAMBDA>' config.value.single-lambda ./types-anything/functions.nix
checkConfigOutput 'null' config.applied.merging-lambdas.x ./types-anything/functions.nix
checkConfigOutput 'null' config.applied.merging-lambdas.y ./types-anything/functions.nix
# Check that all mk* modifiers are applied
checkConfigError 'attribute .* not found' config.value.mkiffalse ./types-anything/mk-mods.nix
checkConfigOutput '{ }' config.value.mkiftrue ./types-anything/mk-mods.nix
checkConfigOutput 1 config.value.mkdefault ./types-anything/mk-mods.nix
checkConfigOutput '{ }' config.value.mkmerge ./types-anything/mk-mods.nix
checkConfigOutput true config.value.mkbefore ./types-anything/mk-mods.nix
checkConfigOutput 1 config.value.nested.foo ./types-anything/mk-mods.nix
checkConfigOutput baz config.value.nested.bar.baz ./types-anything/mk-mods.nix
## types.functionTo
checkConfigOutput "input is input" config.result ./functionTo/trivial.nix
checkConfigOutput "a b" config.result ./functionTo/merging-list.nix
checkConfigError 'A definition for option .fun.\[function body\]. is not of type .string.. Definition values:\n\s*- In .*wrong-type.nix' config.result ./functionTo/wrong-type.nix
checkConfigOutput "b a" config.result ./functionTo/list-order.nix
checkConfigOutput "a c" config.result ./functionTo/merging-attrs.nix
# moduleType
checkConfigOutput "a b" config.resultFoo ./declare-variants.nix ./define-variant.nix
checkConfigOutput "a y z" config.resultFooBar ./declare-variants.nix ./define-variant.nix
checkConfigOutput "a b c" config.resultFooFoo ./declare-variants.nix ./define-variant.nix
cat <<EOF
====== module tests ======
$pass Pass
$fail Fail
EOF
if test $fail -ne 0; then
exit 1
fi
exit 0