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salty-dog/test/rule/TestRuleVisitor.ts

175 lines
4.2 KiB
TypeScript

import { expect } from 'chai';
import { LogLevel, NullLogger } from 'noicejs';
import { mock, spy, stub } from 'sinon';
import { RuleVisitor } from '../../src/rule/RuleVisitor';
import { SchemaRule } from '../../src/rule/SchemaRule';
import { VisitorContext } from '../../src/visitor/VisitorContext';
import { describeLeaks, itLeaks } from '../helpers/async';
describeLeaks('rule visitor', async () => {
itLeaks('should only call visit for selected items', async () => {
const ctx = new VisitorContext({
logger: NullLogger.global,
schemaOptions: {
coerce: false,
defaults: false,
mutate: false,
},
});
const data = {};
const rule = new SchemaRule({
check: {},
desc: '',
level: LogLevel.Info,
name: 'foo',
select: '$',
tags: [],
});
const mockRule = mock(rule);
mockRule.expects('visit').never();
const pickStub = mockRule.expects('pick').once().withArgs(ctx, data);
pickStub.onFirstCall().returns(Promise.resolve([]));
pickStub.throws();
const visitor = new RuleVisitor({
rules: [rule],
});
await visitor.visit(ctx, {});
mockRule.verify();
expect(ctx.errors.length).to.equal(0);
});
itLeaks('should call visit for each selected item', async () => {
const ctx = new VisitorContext({
logger: NullLogger.global,
schemaOptions: {
coerce: false,
defaults: false,
mutate: false,
},
});
const data = {};
const rule = new SchemaRule({
check: {},
desc: '',
level: LogLevel.Info,
name: 'foo',
select: '$',
tags: [],
});
const mockRule = mock(rule);
const pickStub = mockRule.expects('pick').once().withArgs(ctx, data);
pickStub.onFirstCall().returns(Promise.resolve([data]));
pickStub.throws();
const visitStub = mockRule.expects('visit').once().withArgs(ctx, data);
visitStub.onFirstCall().returns(Promise.resolve(ctx));
visitStub.throws();
const visitor = new RuleVisitor({
rules: [rule],
});
await visitor.visit(ctx, {});
mockRule.verify();
expect(ctx.errors.length).to.equal(0);
});
itLeaks('should visit individual items', async () => {
const ctx = new VisitorContext({
logger: NullLogger.global,
schemaOptions: {
coerce: false,
defaults: false,
mutate: false,
},
});
const data = {
foo: [1, 2, 3],
};
const rule = new SchemaRule({
check: {},
desc: '',
level: LogLevel.Info,
name: 'foo',
select: '$.foo.*',
tags: [],
});
const pickSpy = spy(rule, 'pick');
const visitStub = stub(rule, 'visit').returns(Promise.resolve({
changes: [],
errors: [],
}));
const visitor = new RuleVisitor({
rules: [rule],
});
await visitor.visit(ctx, data);
expect(pickSpy).to.have.callCount(1).and.to.have.been.calledWithExactly(ctx, data);
expect(visitStub).to.have.callCount(3);
});
itLeaks('should visit individual items', async () => {
const ctx = new VisitorContext({
logger: NullLogger.global,
schemaOptions: {
coerce: false,
defaults: false,
mutate: false,
},
});
const data = {
foo: [1, 2, 3],
};
const rule = new SchemaRule({
check: {},
desc: '',
level: LogLevel.Info,
name: 'foo',
select: '$.foo.*',
tags: [],
});
const visitStub = stub(rule, 'visit').returns(Promise.resolve({
changes: [],
errors: [{
data: {},
level: LogLevel.Error,
msg: 'kaboom!',
}],
}));
const visitor = new RuleVisitor({
rules: [rule],
});
await visitor.visit(ctx, data);
expect(visitStub).to.have.callCount(3);
expect(ctx.errors.length).to.equal(3);
});
itLeaks('should not pick items', async () => {
const ctx = new VisitorContext({
logger: NullLogger.global,
schemaOptions: {
coerce: false,
defaults: false,
mutate: false,
},
});
const visitor = new RuleVisitor({
rules: [],
});
return expect(visitor.pick(ctx, {})).to.eventually.deep.equal([]);
});
});