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package com.github.shyiko.ktlint.ruleset.standard
import com.github.shyiko.ktlint.core.LintError
import com.github.shyiko.ktlint.test.format
import com.github.shyiko.ktlint.test.lint
import org.assertj.core.api.Assertions.assertThat
import org.testng.annotations.Test
class FinalNewlineRuleTest {
@Test
fun testLint() {
// neither true nor false
assertThat(FinalNewlineRule().lint("fun name() {\n}")).isEmpty()
assertThat(FinalNewlineRule().lint("fun name() {\n}\n")).isEmpty()
// true
assertThat(FinalNewlineRule().lint(
"",
mapOf("insert_final_newline" to "true")
)).isEqualTo(listOf(
LintError(1, 1, "final-newline", "File must end with a newline (\\n)")
))
assertThat(FinalNewlineRule().lint(
"fun name() {\n}",
mapOf("insert_final_newline" to "true")
)).isEqualTo(listOf(
LintError(1, 1, "final-newline", "File must end with a newline (\\n)")
))
assertThat(FinalNewlineRule().lint(
"fun name() {\n}\n",
mapOf("insert_final_newline" to "true")
)).isEmpty()
assertThat(FinalNewlineRule().lint(
"fun main() {\n}\n\n\n",
mapOf("insert_final_newline" to "true"),
script = true
)).isEmpty()
// false
assertThat(FinalNewlineRule().lint(
"fun name() {\n}",
mapOf("insert_final_newline" to "false")
)).isEmpty()
assertThat(FinalNewlineRule().lint(
"fun name() {\n}\n",
mapOf("insert_final_newline" to "false")
)).isEqualTo(listOf(
LintError(2, 2, "final-newline", "Redundant newline (\\n) at the end of file")
))
}
@Test
fun testFormat() {
assertThat(FinalNewlineRule().format(
"fun name() {\n}",
mapOf("insert_final_newline" to "true")
)).isEqualTo(
"fun name() {\n}\n"
)
assertThat(FinalNewlineRule().format(
"fun name() {\n}\n",
mapOf("insert_final_newline" to "false")
)).isEqualTo(
"fun name() {\n}"
)
}
}
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