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package expect
import org.junit.Test
import org.jetbrains.dokka.testApi.testRunner.AbstractCoreTest
import java.nio.file.Files
import java.nio.file.Path
import java.nio.file.Paths
import java.util.concurrent.TimeUnit
class ExpectTest : AbstractCoreTest() {
private fun generateOutput(path: Path): Path? {
val config = dokkaConfiguration {
passes {
pass {
sourceRoots = listOf(path.asString())
}
}
}
var result: Path? = null
testFromData(config, cleanupOutput = false) {
renderingStage = { _, context -> result = Paths.get(context.configuration.outputDir) }
}
return result
}
private fun compareOutput(expected: Path, obtained: Path?, gitTimeout: Long = 500) {
obtained?.let { path ->
val gitCompare = ProcessBuilder(
"git",
"--no-pager",
"diff",
expected.asString(),
path.asString()
).also { logger.info("git diff command: ${it.command().joinToString(" ")}") }
.start()
assert(gitCompare.waitFor(gitTimeout, TimeUnit.MILLISECONDS)) { "Git timed out after $gitTimeout" }
gitCompare.inputStream.bufferedReader().lines().forEach { logger.info(it) }
gitCompare.errorStream.bufferedReader().lines().forEach { logger.info(it) }
assert(gitCompare.exitValue() == 0) { "${path.fileName}: outputs don't match" }
} ?: throw AssertionError("obtained path is null")
}
@Test
fun expectTest() {
val sources = Paths.get("src/test", "resources", "expect")
Files.list(sources).forEach { p ->
val expectOut = p.resolve("out")
val testOut = generateOutput(p.resolve("src"))
.also { logger.info("Test out: ${it?.asString()}") }
compareOutput(expectOut, testOut)
testOut?.toFile()?.deleteRecursively()
}
}
fun Path.asString() = toAbsolutePath().normalize().toString()
}
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