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Original file line number Diff line number Diff line change
Expand Up @@ -583,6 +583,9 @@ class ConfigurationBuilder(configuration: Configuration = Configuration()) {
return property(T::class, property.name, generator as GeneratorFun)
}

@JvmName("propertyByInfixFunction")
inline infix fun <reified T, G> KProperty1<T, G>.property(noinline generator: Generator<G>.() -> G) = property(this, generator)

/**
* Customising generation of class properties with property
*
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Original file line number Diff line number Diff line change
Expand Up @@ -112,6 +112,25 @@ class ConfigurationBuilderTest {
}
}

@Test
fun `can override properties using property infix function`() {
val original: Generator<Properties>.() -> Properties = { Properties("2") }

@Suppress("UNCHECKED_CAST")
val configuration = ConfigurationBuilder(
Configuration(properties = mapOf(Properties::class to mapOf("property" to original as GeneratorFun)))
).apply {
Properties::property property { "1" }
}.build()

with(TestGenerator) {
assertEquals(
"1",
(configuration.properties.getValue(Properties::class).getValue("property"))()
)
}
}

@Test
fun `properties is immutable`() {
val configuration = ConfigurationBuilder(Configuration()).build()
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