get-constraint-snippet.test.js
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'use strict';
const Support = require(__dirname + '/../support');
const current = Support.sequelize;
const expectsql = Support.expectsql;
const sql = current.dialect.QueryGenerator;
const expect = require('chai').expect;
const Op = current.Op;
describe(Support.getTestDialectTeaser('SQL'), () => {
describe('getConstraintSnippet', () => {
describe('unique', () => {
it('naming', () => {
expectsql(sql.getConstraintSnippet('myTable', {
name: 'unique_mytable_mycolumn',
type: 'UNIQUE',
fields: ['myColumn']
}), {
default: 'CONSTRAINT [unique_mytable_mycolumn] UNIQUE ([myColumn])'
});
});
it('should create constraint name if not passed', () => {
expectsql(sql.getConstraintSnippet('myTable', {
type: 'UNIQUE',
fields: ['myColumn']
}), {
default: 'CONSTRAINT [myTable_myColumn_uk] UNIQUE ([myColumn])'
});
});
it('should work with multiple columns', () => {
expectsql(sql.getConstraintSnippet('myTable', {
type: 'UNIQUE',
fields: ['myColumn1', 'myColumn2']
}), {
default: 'CONSTRAINT [myTable_myColumn1_myColumn2_uk] UNIQUE ([myColumn1], [myColumn2])'
});
});
});
describe('check', () => {
it('naming', () => {
expectsql(sql.getConstraintSnippet('myTable', {
type: 'CHECK',
fields: [{
attribute: 'myColumn'
}],
where: {
myColumn: ['value1', 'value2', 'value3']
}
}), {
mssql: "CONSTRAINT [myTable_myColumn_ck] CHECK ([myColumn] IN (N'value1', N'value2', N'value3'))",
default: "CONSTRAINT [myTable_myColumn_ck] CHECK ([myColumn] IN ('value1', 'value2', 'value3'))"
});
});
it('where', () => {
expectsql(sql.getConstraintSnippet('myTable', {
type: 'CHECK',
fields: ['myColumn'],
name: 'check_mycolumn_where',
where: {
myColumn: {
[Op.and]: {
[Op.gt]: 50,
[Op.lt]: 100
}
}
}
}), {
default: 'CONSTRAINT [check_mycolumn_where] CHECK (([myColumn] > 50 AND [myColumn] < 100))'
});
});
});
describe('primary key', () => {
it('naming', () => {
expectsql(sql.getConstraintSnippet('myTable', {
name: 'primary_mytable_mycolumn',
type: 'primary key',
fields: ['myColumn']
}), {
default: 'CONSTRAINT [primary_mytable_mycolumn] PRIMARY KEY ([myColumn])'
});
});
it('should create constraint name if not passed', () => {
expectsql(sql.getConstraintSnippet('myTable', {
type: 'PRIMARY KEY',
fields: ['myColumn']
}), {
default: 'CONSTRAINT [myTable_myColumn_pk] PRIMARY KEY ([myColumn])'
});
});
it('should work with multiple columns', () => {
expectsql(sql.getConstraintSnippet('myTable', {
type: 'PRIMARY KEY',
fields: ['myColumn1', 'myColumn2']
}), {
default: 'CONSTRAINT [myTable_myColumn1_myColumn2_pk] PRIMARY KEY ([myColumn1], [myColumn2])'
});
});
});
describe('foreign key', () => {
it('naming', () => {
expectsql(sql.getConstraintSnippet('myTable', {
name: 'foreignkey_mytable_mycolumn',
type: 'foreign key',
fields: ['myColumn'],
references: {
table: 'myOtherTable',
field: 'id'
}
}), {
default: 'CONSTRAINT [foreignkey_mytable_mycolumn] FOREIGN KEY ([myColumn]) REFERENCES [myOtherTable] ([id])'
});
});
it('uses onDelete, onUpdate', () => {
expectsql(sql.getConstraintSnippet('myTable', {
type: 'foreign key',
fields: ['myColumn'],
references: {
table: 'myOtherTable',
field: 'id'
},
onUpdate: 'cascade',
onDelete: 'cascade'
}), {
default: 'CONSTRAINT [myTable_myColumn_myOtherTable_fk] FOREIGN KEY ([myColumn]) REFERENCES [myOtherTable] ([id]) ON UPDATE CASCADE ON DELETE CASCADE'
});
});
it('errors if references object is not passed', () => {
expect(sql.getConstraintSnippet.bind(sql, 'myTable', {
type: 'foreign key',
fields: ['myColumn']
})).to.throw('references object with table and field must be specified');
});
});
describe('validation', () => {
it('throw error on invalid type', () => {
expect(sql.getConstraintSnippet.bind(sql, 'myTable', { type: 'some type', fields: [] })).to.throw('some type is invalid');
});
});
});
});