feat: add snjs package

packages/snjs/mocha/key_params.test.js

@@ -0,0 +1,86 @@
+/* eslint-disable no-unused-expressions */
+/* eslint-disable no-undef */
+import * as Factory from './lib/factory.js'
+chai.use(chaiAsPromised)
+const expect = chai.expect
+
+describe('key params', function () {
+  this.timeout(Factory.TenSecondTimeout)
+
+  before(async function () {
+    localStorage.clear()
+  })
+
+  after(async function () {
+    localStorage.clear()
+  })
+
+  it('extraneous parameters in key params should be ignored when ejecting', async function () {
+    const params = new SNRootKeyParams({
+      identifier: 'foo',
+      pw_cost: 110000,
+      pw_nonce: 'bar',
+      pw_salt: 'salt',
+      version: '003',
+      origination: 'registration',
+      created: new Date().getTime(),
+      hash: '123',
+      foo: 'bar',
+    })
+    const ejected = params.getPortableValue()
+    expect(ejected.hash).to.not.be.ok
+    expect(ejected.pw_cost).to.be.ok
+    expect(ejected.pw_nonce).to.be.ok
+    expect(ejected.pw_salt).to.be.ok
+    expect(ejected.version).to.be.ok
+    expect(ejected.origination).to.be.ok
+    expect(ejected.created).to.be.ok
+    expect(ejected.identifier).to.be.ok
+  })
+
+  describe('with missing version', function () {
+    it('should default to 002 if uses high cost', async function () {
+      const params = new SNRootKeyParams({
+        identifier: 'foo',
+        pw_cost: 101000,
+        pw_nonce: 'bar',
+        pw_salt: 'salt',
+      })
+
+      expect(params.version).to.equal('002')
+    })
+
+    it('should default to 001 if uses low cost', async function () {
+      const params = new SNRootKeyParams({
+        identifier: 'foo',
+        pw_cost: 60000,
+        pw_nonce: 'bar',
+        pw_salt: 'salt',
+      })
+
+      expect(params.version).to.equal('002')
+    })
+
+    it('should default to 002 if uses cost seen in both 001 and 002, but has no pw_nonce', async function () {
+      const params = new SNRootKeyParams({
+        identifier: 'foo',
+        pw_cost: 60000,
+        pw_nonce: undefined,
+        pw_salt: 'salt',
+      })
+
+      expect(params.version).to.equal('002')
+    })
+
+    it('should default to 001 if uses cost seen in both 001 and 002, but is more likely a 001 cost', async function () {
+      const params = new SNRootKeyParams({
+        identifier: 'foo',
+        pw_cost: 5000,
+        pw_nonce: 'bar',
+        pw_salt: 'salt',
+      })
+
+      expect(params.version).to.equal('001')
+    })
+  })
+})