Examples of liquibase.change.Change.validate()

liquibase.change.Change.validate()
Generate errors based on the configured Change instance. If there are any validation errors, changelog processing will normally not occur. Can return null or empty ValidationErrors object when there are no errors.

                    serializedValue = formatParameter(paramValue);
                    state.addComment("Change Parameter: " + param.getParameterName() + "=" + serializedValue);
                    param.setValue(change, paramValue);
                }


                ValidationErrors errors = change.validate(database);
                assertFalse("Validation errors for " + changeMetaData.getName() + " on " + database.getShortName() + ": " + errors.toString(), errors.hasErrors());


                SqlStatement[] sqlStatements = change.generateStatements(database);
                for (SqlStatement statement : sqlStatements) {
                    Sql[] sql = SqlGeneratorFactory.getInstance().generateSql(statement, database);

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                    String paramToRemove = requiredParams.get(i);
                    ChangeParameterMetaData paramToRemoveMetadata = changeMetaData.getParameters().get(paramToRemove);
                    Object currentValue = paramToRemoveMetadata.getCurrentValue(change);
                    paramToRemoveMetadata.setValue(change, null);


                    assertTrue("No errors even with "+changeMetaData.getName()+" with a null "+paramToRemove+" on "+database.getShortName(), change.validate(database).hasErrors());
                    paramToRemoveMetadata.setValue(change, currentValue);
                }
            }
        }
    }

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                        state.addComment("Optional Change Parameter: "+ param.getParameterName()+"="+ serializedValue);
                        param.setValue(change, paramValue);


                    }


                    ValidationErrors errors = change.validate(database);
                    assertFalse("Validation errors for " + changeMetaData.getName() + " on "+database.getShortName()+": " +errors.toString(), errors.hasErrors());
//
//                    SqlStatement[] sqlStatements = change.generateStatements(database);
//                    for (SqlStatement statement : sqlStatements) {
//                        Sql[] sql = SqlGeneratorFactory.getInstance().generateSql(statement, database);

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