Add tests for database structure #2

Author: mfvanek

spring-boot-3-demo-app/src/test/java/io/github/mfvanek/spring/boot3/test/IndexesMaintenanceTest.java

@@ -0,0 +1,57 @@
+package io.github.mfvanek.spring.boot3.test;
+
+import io.github.mfvanek.pg.common.maintenance.DatabaseCheckOnHost;
+import io.github.mfvanek.pg.common.maintenance.Diagnostic;
+import io.github.mfvanek.pg.model.DbObject;
+import io.github.mfvanek.pg.model.column.Column;
+import io.github.mfvanek.pg.model.table.Table;
+import io.github.mfvanek.spring.boot3.test.support.TestBase;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+
+import java.util.List;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.InstanceOfAssertFactories.list;
+
+class IndexesMaintenanceTest extends TestBase {
+
+    @Autowired
+    private List<DatabaseCheckOnHost<? extends DbObject>> checks;
+
+    @Test
+    @DisplayName("Always check PostgreSQL version in your tests")
+    void checkPostgresVersion() {
+        final String pgVersion = jdbcTemplate.queryForObject("select version();", String.class);
+        assertThat(pgVersion)
+            .startsWith("PostgreSQL 16.4");
+    }
+
+    @Test
+    void databaseStructureCheckForPublicSchema() {
+        assertThat(checks)
+            .hasSameSizeAs(Diagnostic.values());
+
+        checks.forEach(check -> {
+            switch (check.getDiagnostic()) {
+                case TABLES_WITHOUT_PRIMARY_KEY, TABLES_WITHOUT_DESCRIPTION -> assertThat(check.check())
+                    .asInstanceOf(list(Table.class))
+                    .hasSize(1)
+                    .containsExactly(Table.of("databasechangelog", 0L));
+
+                case COLUMNS_WITHOUT_DESCRIPTION -> assertThat(check.check())
+                    .asInstanceOf(list(Column.class))
+                    .hasSize(14)
+                    .allSatisfy(column -> assertThat(column.getTableName()).isEqualTo("databasechangelog"));
+
+                case TABLES_WITH_MISSING_INDEXES -> assertThat(check.check())
+                    .hasSizeLessThanOrEqualTo(1); // TODO skip runtime checks after https://github.com/mfvanek/pg-index-health/issues/456
+
+                default -> assertThat(check.check())
+                    .as(check.getDiagnostic().name())
+                    .isEmpty();
+            }
+        });
+    }
+}