61 lines
1.9 KiB
Kotlin
61 lines
1.9 KiB
Kotlin
package com.mikebull94.result
|
|
|
|
import com.natpryce.hamkrest.assertion.assertThat
|
|
import com.natpryce.hamkrest.equalTo
|
|
import org.junit.jupiter.api.Assertions.assertThrows
|
|
import org.junit.jupiter.api.Test
|
|
|
|
internal class UnwrapTest {
|
|
@Test
|
|
internal fun `unwrap should return the result value if ok`() {
|
|
val value = ok(5000).unwrap()
|
|
assertThat(value, equalTo(5000))
|
|
}
|
|
|
|
@Test
|
|
internal fun `unwrap should throw an UnwrapException if not ok`() {
|
|
assertThrows(UnwrapException::class.java, {
|
|
err(5000).unwrap()
|
|
}, "called Result.wrap on an Error value 5000")
|
|
}
|
|
|
|
@Test
|
|
internal fun `expect should return the result value if ok`() {
|
|
val value = ok(1994).expect("the year should be 1994")
|
|
assertThat(value, equalTo(1994))
|
|
}
|
|
|
|
@Test
|
|
internal fun `expect should throw an UnwrapException with a specified message if not ok`() {
|
|
assertThrows(UnwrapException::class.java, {
|
|
err(1994).expect("the year should be 1994")
|
|
}, "the year should be 1994")
|
|
}
|
|
|
|
@Test
|
|
internal fun `unwrapError should throw an UnwrapException if ok`() {
|
|
assertThrows(UnwrapException::class.java, {
|
|
ok("example").unwrapError()
|
|
}, "called Result.unwrapError on an Ok value example")
|
|
}
|
|
|
|
@Test
|
|
internal fun `unwrapError should return the result error if not ok`() {
|
|
val error = err("example").unwrapError()
|
|
assertThat(error, equalTo("example"))
|
|
}
|
|
|
|
@Test
|
|
internal fun `expectError should throw an UnwrapException with a specified message if ok`() {
|
|
assertThrows(UnwrapException::class.java, {
|
|
ok(2010).expectError("the year should be 2010")
|
|
}, "the year should be 2010")
|
|
}
|
|
|
|
@Test
|
|
internal fun `expectError should return the result error if not ok`() {
|
|
val error = err(2010).expectError("the year should be 2010")
|
|
assertThat(error, equalTo(2010))
|
|
}
|
|
}
|