/
LambdaParameterNamingSpec.kt
143 lines (127 loc) · 4.36 KB
/
LambdaParameterNamingSpec.kt
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package io.gitlab.arturbosch.detekt.rules.naming
import io.gitlab.arturbosch.detekt.test.assertThat
import io.gitlab.arturbosch.detekt.test.compileAndLint
import org.junit.jupiter.api.Test
class LambdaParameterNamingSpec {
@Test
fun `Reports no supported parameter names`() {
val code = """
val a: (String) -> Unit = { HELLO_THERE -> Unit }
""".trimIndent()
assertThat(LambdaParameterNaming().compileAndLint(code))
.hasSize(1)
.hasTextLocations("HELLO_THERE")
}
@Test
fun `Reports no supported parameter names when there are multiple`() {
val code = """
val a: (String, Int) -> Unit = { HI, HELLO_THERE -> Unit }
""".trimIndent()
assertThat(LambdaParameterNaming().compileAndLint(code))
.hasSize(2)
.hasTextLocations("HI", "HELLO_THERE")
}
@Test
fun `Doesn't report a valid parameter`() {
val code = """
val a: (String) -> Unit = { helloThere -> Unit }
""".trimIndent()
assertThat(LambdaParameterNaming().compileAndLint(code))
.isEmpty()
}
@Test
fun `Doesn't report a valid parameter when define type`() {
val code = """
val a = { helloThere: String -> Unit }
""".trimIndent()
assertThat(LambdaParameterNaming().compileAndLint(code))
.isEmpty()
}
@Test
fun `Doesn't report _`() {
val code = """
val a: (String) -> Unit = { _ -> Unit }
""".trimIndent()
assertThat(LambdaParameterNaming().compileAndLint(code))
.isEmpty()
}
@Test
fun `Doesn't report by using implicit name`() {
val code = """
val a: (String) -> Unit = { Unit }
""".trimIndent()
assertThat(LambdaParameterNaming().compileAndLint(code))
.isEmpty()
}
@Test
fun `Doesn't report if there aren't parameters`() {
val code = """
val a: () -> Unit = { Unit }
""".trimIndent()
assertThat(LambdaParameterNaming().compileAndLint(code))
.isEmpty()
}
@Test
fun `Reports no supported destructuring parameter names`() {
val code = """
data class Bar(val a: String)
val a: (Bar) -> Unit = { (HELLO_THERE) -> Unit }
""".trimIndent()
assertThat(LambdaParameterNaming().compileAndLint(code))
.hasSize(1)
.hasTextLocations("HELLO_THERE")
}
@Test
fun `Reports no supported destructuring parameter names when there are multiple`() {
val code = """
data class Bar(val a: String, val b: String)
val a: (Bar) -> Unit = { (HI, HELLO_THERE) -> Unit }
""".trimIndent()
assertThat(LambdaParameterNaming().compileAndLint(code))
.hasSize(2)
.hasTextLocations("HI", "HELLO_THERE")
}
@Test
fun `Doesn't report valid destructuring parameters`() {
val code = """
data class Bar(val a: String, val b: String)
val a: (Bar) -> Unit = { (a, b) -> Unit }
""".trimIndent()
assertThat(LambdaParameterNaming().compileAndLint(code))
.isEmpty()
}
@Test
fun `Doesn't report valid destructuring parameters when define type`() {
val code = """
data class Bar(val a: String, val b: String)
val a: (Bar) -> Unit = { (a: String, b) -> Unit }
""".trimIndent()
assertThat(LambdaParameterNaming().compileAndLint(code))
.isEmpty()
}
@Test
fun `Doesn't report valid destructuring parameters using _`() {
val code = """
data class Bar(val a: String, val b: String)
val a: (Bar) -> Unit = { (_, b) -> Unit }
""".trimIndent()
assertThat(LambdaParameterNaming().compileAndLint(code))
.isEmpty()
}
@Test
fun `Doesn't report invalid class constructor parameters`() {
val code = """
data class C(val _invalid: String)
""".trimIndent()
assertThat(LambdaParameterNaming().compileAndLint(code))
.isEmpty()
}
@Test
fun `Doesn't report invalid function parameters`() {
val code = """
fun f(_invalid: String) = Unit
""".trimIndent()
assertThat(LambdaParameterNaming().compileAndLint(code))
.isEmpty()
}
}