package com.battery.business.runtime;
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import static org.junit.jupiter.api.Assertions.assertFalse;
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import static org.junit.jupiter.api.Assertions.assertTrue;
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import java.io.InputStream;
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import java.nio.charset.StandardCharsets;
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import org.junit.jupiter.api.Test;
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class Ticket13MigrationContractTest
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{
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@Test
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void addsRecoverableSourceCursorsAndCollectorHistoryWithoutChangingEarlierTables()
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{
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String sql;
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try (InputStream stream = getClass().getClassLoader().getResourceAsStream(
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"db/migration/V21__natural_end_interval_backfill.sql"))
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{
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if (stream == null) throw new AssertionError("缺少 Ticket13 迁移");
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sql = new String(stream.readAllBytes(), StandardCharsets.UTF_8);
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}
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catch (Exception exception) { throw new AssertionError(exception); }
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assertTrue(sql.contains("t_test_backfill_cursor"));
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assertTrue(sql.contains("t_test_collector_sample"));
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assertTrue(sql.contains("protocol_metadata JSON"));
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assertTrue(sql.contains("reception_interval_id"));
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assertFalse(sql.matches("(?s).*\\bDROP\\s+(TABLE|COLUMN)\\b.*"));
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}
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}
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