SONAR-8025 add IntegerColumnDef

diff --git a/sonar-db/src/main/java/org/sonar/db/version/IntegerColumnDef.java b/sonar-db/src/main/java/org/sonar/db/version/IntegerColumnDef.java
new file mode 100644 (file)
index 0000000..298bd2e
--- /dev/null
+++ b/sonar-db/src/main/java/org/sonar/db/version/IntegerColumnDef.java
@@ -0,0 +1,79 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2016 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package org.sonar.db.version;
+
+import javax.annotation.CheckForNull;
+import org.sonar.db.dialect.Dialect;
+import org.sonar.db.dialect.H2;
+import org.sonar.db.dialect.MsSql;
+import org.sonar.db.dialect.MySql;
+import org.sonar.db.dialect.Oracle;
+import org.sonar.db.dialect.PostgreSql;
+
+import static org.sonar.db.version.ColumnDefValidation.validateColumnName;
+
+public class IntegerColumnDef extends AbstractColumnDef {
+
+  private IntegerColumnDef(Builder builder) {
+    super(builder.columnName, builder.isNullable);
+  }
+
+  public static Builder newIntegerColumnDefBuilder() {
+    return new Builder();
+  }
+
+  @Override
+  public String generateSqlType(Dialect dialect) {
+    switch (dialect.getId()) {
+      case PostgreSql.ID:
+      case Oracle.ID:
+      case MySql.ID:
+      case H2.ID:
+        return "INTEGER";
+      case MsSql.ID:
+        return "INT";
+      default:
+        throw new IllegalArgumentException("Unsupported dialect id " + dialect.getId());
+    }
+  }
+
+  public static class Builder {
+    @CheckForNull
+    private String columnName;
+
+    private boolean isNullable = true;
+
+    public Builder setColumnName(String columnName) {
+      this.columnName = validateColumnName(columnName);
+      return this;
+    }
+
+    public Builder setIsNullable(boolean isNullable) {
+      this.isNullable = isNullable;
+      return this;
+    }
+
+    public IntegerColumnDef build() {
+      validateColumnName(columnName);
+      return new IntegerColumnDef(this);
+    }
+  }
+
+}

diff --git a/sonar-db/src/test/java/org/sonar/db/version/IntegerColumnDefTest.java b/sonar-db/src/test/java/org/sonar/db/version/IntegerColumnDefTest.java
new file mode 100644 (file)
index 0000000..1508af3
--- /dev/null
+++ b/sonar-db/src/test/java/org/sonar/db/version/IntegerColumnDefTest.java
@@ -0,0 +1,114 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2016 SonarSource SA
+ * mailto:contact AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package org.sonar.db.version;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.sonar.db.dialect.Dialect;
+import org.sonar.db.dialect.H2;
+import org.sonar.db.dialect.MsSql;
+import org.sonar.db.dialect.MySql;
+import org.sonar.db.dialect.Oracle;
+import org.sonar.db.dialect.PostgreSql;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+import static org.sonar.db.version.IntegerColumnDef.newIntegerColumnDefBuilder;
+
+public class IntegerColumnDefTest {
+  @Rule
+  public ExpectedException expectedException = ExpectedException.none();
+
+  private IntegerColumnDef underTest = newIntegerColumnDefBuilder().setColumnName("a").build();
+
+  @Test
+  public void builder_setColumnName_throws_IAE_if_name_is_not_lowercase() {
+    IntegerColumnDef.Builder builder = newIntegerColumnDefBuilder();
+
+    expectedException.expect(IllegalArgumentException.class);
+    expectedException.expectMessage("Column name should only contains lowercase and _ characters, got 'T'");
+    builder.setColumnName("T");
+  }
+
+  @Test
+  public void builder_build_throws_NPE_if_no_name_was_set() {
+    IntegerColumnDef.Builder builder = newIntegerColumnDefBuilder();
+
+    expectedException.expect(NullPointerException.class);
+    expectedException.expectMessage("Column name cannot be null");
+
+    builder.build();
+  }
+
+  @Test
+  public void integerColumDef_is_nullable_by_default() {
+    assertThat(newIntegerColumnDefBuilder().setColumnName("a").build().isNullable()).isTrue();
+  }
+
+  @Test
+  public void builder_setNullable_sets_nullable_field_of_IntegerColumnDef() {
+    assertThat(newIntegerColumnDefBuilder().setColumnName("a").setIsNullable(true).build().isNullable()).isTrue();
+    assertThat(newIntegerColumnDefBuilder().setColumnName("a").setIsNullable(false).build().isNullable()).isFalse();
+  }
+
+  @Test
+  public void builder_setColumnName_sets_name_field_of_IntegerColumnDef() {
+    assertThat(newIntegerColumnDefBuilder().setColumnName("a").build().getName()).isEqualTo("a");
+  }
+
+  @Test
+  public void generateSqlType_for_MsSql() {
+    assertThat(underTest.generateSqlType(new MsSql())).isEqualTo("INT");
+  }
+
+  @Test
+  public void generateSqlType_for_MySql() {
+    assertThat(underTest.generateSqlType(new MySql())).isEqualTo("INTEGER");
+  }
+
+  @Test
+  public void generateSqlType_for_Oracle() {
+    assertThat(underTest.generateSqlType(new Oracle())).isEqualTo("INTEGER");
+  }
+
+  @Test
+  public void generateSqlType_for_H2() {
+    assertThat(underTest.generateSqlType(new H2())).isEqualTo("INTEGER");
+  }
+
+  @Test
+  public void generateSqlType_for_PostgreSql() {
+    assertThat(underTest.generateSqlType(new PostgreSql())).isEqualTo("INTEGER");
+  }
+
+  @Test
+  public void generateSqlType_thows_IAE_for_unknown_dialect() {
+    Dialect dialect = mock(Dialect.class);
+    when(dialect.getId()).thenReturn("AAA");
+
+    expectedException.expect(IllegalArgumentException.class);
+    expectedException.expectMessage("Unsupported dialect id AAA");
+
+    underTest.generateSqlType(dialect);
+  }
+
+}