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use super::*;
mod basic {
use super::*;
mod zero_distance {
use super::*;
generate_value_constraint_tests!(
tests: [
{
name: bool_setting,
settings: bool => &[Some(true)],
},
],
constraints: bool => &[
ResolvedValueConstraint {
exact: None,
ideal: None,
},
ResolvedValueConstraint {
exact: None,
ideal: Some(true),
},
],
expected: Ok(0.0)
);
generate_value_constraint_tests!(
tests: [
{
name: string_setting,
settings: String => &[Some("foo".to_owned())],
},
{
name: i64_setting,
settings: i64 => &[Some(42)],
},
{
name: f64_setting,
settings: f64 => &[Some(42.0)],
},
],
constraints: bool => &[
ResolvedValueConstraint {
exact: None,
ideal: Some(false),
},
],
expected: Ok(0.0)
);
}
mod one_distance {
use super::*;
generate_value_constraint_tests!(
tests: [
{
name: bool_setting,
settings: bool => &[None, Some(false)],
},
],
constraints: bool => &[ResolvedValueConstraint {
exact: None,
ideal: Some(true),
}],
expected: Ok(1.0)
);
}
}
mod required {
use super::*;
mod zero_distance {
use super::*;
// A constraint that does apply for a type of setting,
// is expected to return a fitness distance of `0`,
// iff the setting matches the constraint:
generate_value_constraint_tests!(
tests: [
{
name: bool_setting,
settings: bool => &[Some(true)],
},
],
constraints: bool => &[ResolvedValueConstraint {
exact: Some(true),
ideal: None,
}],
expected: Ok(0.0)
);
}
mod inf_distance {
use super::*;
mod missing {
use super::*;
generate_value_constraint_tests!(
tests: [
{
name: bool_setting,
settings: bool => &[None],
},
],
constraints: bool => &[
ResolvedValueConstraint {
exact: Some(true),
ideal: None,
},
ResolvedValueConstraint {
exact: Some(true),
ideal: Some(true),
},
],
expected: Err(SettingFitnessDistanceError {
kind: SettingFitnessDistanceErrorKind::Missing,
constraint: "(x == true)".to_owned(),
setting: None,
})
);
}
mod mismatch {
use super::*;
generate_value_constraint_tests!(
tests: [
{
name: bool_setting,
settings: bool => &[Some(false)],
},
],
constraints: bool => &[
ResolvedValueConstraint {
exact: Some(true),
ideal: None,
},
ResolvedValueConstraint {
exact: Some(true),
ideal: Some(true),
},
],
expected: Err(SettingFitnessDistanceError {
kind: SettingFitnessDistanceErrorKind::Mismatch,
constraint: "(x == true)".to_owned(),
setting: Some("false".to_owned()),
})
);
}
}
// Required boolean constraints have specialized logic as per
// rule 4 of the fitness distance algorithm specification:
// <https://www.w3.org/TR/mediacapture-streams/#dfn-fitness-distance>
mod specialization {
use super::*;
mod expected {
use super::*;
mod existing {
use super::*;
generate_value_constraint_tests!(
tests: [
{
name: string_setting,
settings: String => &[Some("foo".to_owned())],
},
{
name: i64_setting,
settings: i64 => &[Some(42)],
},
{
name: f64_setting,
settings: f64 => &[Some(42.0)],
},
],
constraints: bool => &[
ResolvedValueConstraint {
exact: Some(true),
ideal: None,
},
],
expected: Ok(0.0)
);
}
mod missing {
use super::*;
generate_value_constraint_tests!(
tests: [
{
name: string_setting,
settings: String => &[None],
},
{
name: i64_setting,
settings: i64 => &[None],
},
{
name: f64_setting,
settings: f64 => &[None],
},
],
constraints: bool => &[
ResolvedValueConstraint {
exact: Some(true),
ideal: None,
},
],
expected: Ok(1.0)
);
}
}
mod unexpected {
use super::*;
mod existing {
use super::*;
generate_value_constraint_tests!(
tests: [
{
name: string_setting,
settings: String => &[Some("foo".to_owned())],
},
{
name: i64_setting,
settings: i64 => &[Some(42)],
},
{
name: f64_setting,
settings: f64 => &[Some(42.0)],
},
],
constraints: bool => &[
ResolvedValueConstraint {
exact: Some(false),
ideal: None,
},
],
expected: Ok(1.0)
);
}
mod missing {
use super::*;
generate_value_constraint_tests!(
tests: [
{
name: string_setting,
settings: String => &[None],
},
{
name: i64_setting,
settings: i64 => &[None],
},
{
name: f64_setting,
settings: f64 => &[None],
},
],
constraints: bool => &[
ResolvedValueConstraint {
exact: Some(false),
ideal: None,
},
],
expected: Ok(0.0)
);
}
}
}
}