lib/tests: Add tests for module-builtin assertions

This commit is contained in:
Silvan Mosberger 2020-09-02 22:34:13 +02:00
parent 900c4a5abd
commit 3e39d6efdf
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GPG Key ID: E8F1E9EAD284E17D
13 changed files with 197 additions and 0 deletions

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@ -275,6 +275,43 @@ 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
## Module assertions
# Check that assertions are triggered by default for just evaluating config
checkConfigError 'Failed assertions:\n- \[test\] Assertion failed' config ./assertions/simple.nix
# Check that assertions are only triggered if they have a triggerPath that's evaluated
checkConfigError 'Failed assertions:\n- \[test\] Assertion failed' config.foo ./assertions/trigger-lazy.nix
checkConfigOutput true config.bar ./assertions/trigger-lazy.nix
# The assertions enable condition should only be evaluated if the trigger is evaluated
checkConfigError 'enable evaluated' config.foo ./assertions/enable-lazy.nix
checkConfigOutput true config.bar ./assertions/enable-lazy.nix
# Assertion is not triggered when enable is false
checkConfigOutput '{ }' config ./assertions/enable-false.nix
# Warnings should be displayed on standard error
checkConfigCodeOutErr 0 '{ }' 'warning: \[test\] Warning message' config ./assertions/warning.nix
# A triggerPath can be set to a submodule path
checkConfigOutput '{ baz = <CODE>; }' config.foo.bar ./assertions/trigger-submodule.nix
checkConfigError 'Failed assertions:\n- \[test\] Assertion failed' config.foo.bar.baz ./assertions/trigger-submodule.nix
# Check that multiple assertions and warnings can be triggered at once
checkConfigError 'Failed assertions:\n- \[test1\] Assertion 1 failed\n- \[test2\] Assertion 2 failed' config ./assertions/multi.nix
checkConfigError 'trace: warning: \[test3\] Warning 3 failed\ntrace: warning: \[test4\] Warning 4 failed' config ./assertions/multi.nix
# Submodules should be able to trigger assertions and display the submodule prefix in their error
checkConfigError 'Failed assertions:\n- \[foo/test\] Assertion failed' config.foo ./assertions/submodule.nix
checkConfigError 'Failed assertions:\n- \[foo.bar/test\] Assertion failed' config.foo.bar ./assertions/submodule-attrsOf.nix
checkConfigError 'Failed assertions:\n- \[foo.bar.baz/test\] Assertion failed' config.foo.bar.baz ./assertions/submodule-attrsOf-attrsOf.nix
# Assertions aren't triggered when the trigger path is only evaluated from within the same module evaluation
# This behavior is necessary to allow assertions to depend on config values. This could potentially be changed in the future if all of NixOS' assertions are rewritten to not depend on any config values
checkConfigOutput true config.bar ./assertions/non-cascading.nix
# Assertions with an attribute starting with _ shouldn't have their name displayed
checkConfigError 'Failed assertions:\n- Assertion failed' config ./assertions/underscore-attributes.nix
cat <<EOF
====== module tests ======
$pass Pass

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@ -0,0 +1,8 @@
{
_module.assertions.test = {
enable = false;
message = "Assertion failed";
};
}

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@ -0,0 +1,17 @@
{ lib, ... }: {
options.foo = lib.mkOption {
default = true;
};
options.bar = lib.mkOption {
default = true;
};
config._module.assertions.test = {
enable = throw "enable evaluated";
message = "Assertion failed";
triggerPath = [ "foo" ];
};
}

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@ -0,0 +1,23 @@
{
_module.assertions = {
test1 = {
enable = true;
message = "Assertion 1 failed";
};
test2 = {
enable = true;
message = "Assertion 2 failed";
};
test3 = {
enable = true;
message = "Warning 3 failed";
type = "warning";
};
test4 = {
enable = true;
message = "Warning 4 failed";
type = "warning";
};
};
}

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@ -0,0 +1,17 @@
{ lib, config, ... }: {
options.foo = lib.mkOption {
default = true;
};
options.bar = lib.mkOption {
default = config.foo;
};
config._module.assertions.foo = {
enable = true;
message = "Foo assertion";
triggerPath = [ "foo" ];
};
}

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@ -0,0 +1,6 @@
{
_module.assertions.test = {
enable = true;
message = "Assertion failed";
};
}

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@ -0,0 +1,13 @@
{ lib, ... }: {
options.foo = lib.mkOption {
default = { bar.baz = {}; };
type = lib.types.attrsOf (lib.types.attrsOf (lib.types.submodule {
_module.assertions.test = {
enable = true;
message = "Assertion failed";
};
}));
};
}

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@ -0,0 +1,13 @@
{ lib, ... }: {
options.foo = lib.mkOption {
default = { bar = {}; };
type = lib.types.attrsOf (lib.types.submodule {
_module.assertions.test = {
enable = true;
message = "Assertion failed";
};
});
};
}

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@ -0,0 +1,13 @@
{ lib, ... }: {
options.foo = lib.mkOption {
default = {};
type = lib.types.submodule {
_module.assertions.test = {
enable = true;
message = "Assertion failed";
};
};
};
}

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@ -0,0 +1,15 @@
{ lib, ... }: {
options.foo = lib.mkOption {
default = true;
};
options.bar = lib.mkOption {
default = true;
};
config._module.assertions.test = {
enable = true;
message = "Assertion failed";
triggerPath = [ "foo" ];
};
}

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@ -0,0 +1,18 @@
{ lib, ... }: {
options.foo = lib.mkOption {
default = { bar = {}; };
type = lib.types.attrsOf (lib.types.submodule {
options.baz = lib.mkOption {
default = true;
};
});
};
config._module.assertions.test = {
enable = true;
message = "Assertion failed";
triggerPath = [ "foo" "bar" "baz" ];
};
}

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@ -0,0 +1,8 @@
{
_module.assertions._test = {
enable = true;
message = "Assertion failed";
};
}

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@ -0,0 +1,9 @@
{
_module.assertions.test = {
enable = true;
type = "warning";
message = "Warning message";
};
}