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castarr/tests/unit/CrashLogTest.kt
be-nj 06b31f0b9d
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Record crashes on the device so "two weeks without one" can be checked
The milestone asks for two weeks in the living room without a crash. Nobody
reads logcat on a TV, and by the time someone says "it was gone yesterday"
the log has rotated — the criterion had no evidence behind it.

CrashLog keeps the last ten crashes in the app's own files: timestamp,
version, and the top of the stack. Nothing is sent anywhere. The settings
show either "Kein Absturz aufgezeichnet" or the newest one, and clicking
the row clears the record — so the two weeks start when you say they do.

Verified by crashing the app on purpose: the entry appears as
"26.08.2026 18:10 · 0.11.5" with the exception below it.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-26 19:50:01 +02:00

48 lines
1.5 KiB
Kotlin

package dev.castarr.tv
import org.junit.Assert.assertEquals
import org.junit.Assert.assertTrue
import org.junit.Test
class CrashLogTest {
@Test
fun `an entry names the time, the version and the top of the stack`() {
val error = IllegalStateException("Senderliste leer")
// 26.08.2026, 19:12 (MESZ)
val entry = CrashLog.render(1787764320000L, "0.12.0", error)
val lines = entry.lines()
assertTrue(lines.first().contains("0.12.0"))
assertTrue(lines.first().contains("26.08.2026"))
assertTrue(entry.contains("IllegalStateException"))
assertTrue(entry.contains("Senderliste leer"))
}
@Test
fun `a long stack is cut down to something readable`() {
val error = RuntimeException("tief")
val entry = CrashLog.render(0L, "0.12.0", error)
// Kopfzeile plus höchstens TRACE_LINES Zeilen Stack.
assertTrue(entry.lines().size <= CrashLog.TRACE_LINES + 1)
}
@Test
fun `only the newest entries are kept`() {
val entries = (1..15).map { "Absturz $it" }
val kept = CrashLog.trim(entries)
assertEquals(CrashLog.KEEP, kept.size)
assertEquals("Absturz 15", kept.last())
assertEquals("Absturz 6", kept.first())
}
@Test
fun `blank entries are dropped instead of counting`() {
assertEquals(listOf("echt"), CrashLog.trim(listOf("", " ", "echt")))
}
@Test
fun `nothing recorded stays nothing`() {
assertEquals(emptyList<String>(), CrashLog.trim(emptyList()))
}
}