Work on refactoring global IP ban database calls

test/db/globalban.js

@@ -0,0 +1,84 @@
+const assert = require('assert');
+const sinon = require('sinon');
+const TestUtilDB = require('../testutil/db');
+const GlobalBanDB = require('../../lib/db/globalban').GlobalBanDB;
+
+describe('GlobalBanDB', () => {
+    let mockTx, mockDB, globalBanDB;
+
+    beforeEach(() => {
+        mockTx = new TestUtilDB.MockTx();
+        mockDB = new TestUtilDB.MockDB(mockTx);
+        globalBanDB = new GlobalBanDB(mockDB);
+    });
+
+    describe('#listGlobalBans', () => {
+        it('lists bans from the database', () => {
+            const expected = [
+                { ip: '1.2.3.4', reason: 'spam' },
+                { ip: '5.6', reason: 'ham' }
+            ];
+
+            sinon.stub(mockTx, 'table').withArgs('global_bans').returns(mockTx);
+            sinon.stub(mockTx, 'select').resolves(expected);
+            return globalBanDB.listGlobalBans().then(bans => {
+                assert.deepStrictEqual(bans, expected);
+            });
+        });
+    });
+
+    describe('#addGlobalIPBan', () => {
+        it('adds a new ban', () => {
+            const input = { ip: '1.2.3.4', reason: 'spam' };
+
+            sinon.stub(mockTx, 'table').withArgs('global_bans').returns(mockTx);
+            const insert = sinon.stub(mockTx, 'insert').withArgs(input).resolves();
+            return globalBanDB.addGlobalIPBan(input.ip, input.reason).then(() => {
+                assert(insert.called, 'Expected insert to be called');
+            });
+        });
+
+        it('updates the ban reason for an existing ban', () => {
+            const input = { ip: '1.2.3.4', reason: 'spam' };
+
+            sinon.stub(mockTx, 'table').withArgs('global_bans').returns(mockTx);
+            const err = new Error();
+            err.code = 'ER_DUP_ENTRY';
+            const insert = sinon.stub(mockTx, 'insert').withArgs(input).rejects(err);
+            const where = sinon.stub(mockTx, 'where').withArgs({ ip: input.ip }).returns(mockTx);
+            const update = sinon.stub(mockTx, 'update').withArgs({ reason: input.reason }).resolves();
+            return globalBanDB.addGlobalIPBan(input.ip, input.reason).then(() => {
+                assert(insert.called, 'Expected insert to be called');
+                assert(where.called, 'Expected where({ ip }) to be called');
+                assert(update.called, 'Expected update({ reason }) to be called');
+            });
+        });
+
+        it('doesn\'t call update for a non-ER_DUP_ENTRY error', () => {
+            const input = { ip: '1.2.3.4', reason: 'spam' };
+
+            sinon.stub(mockTx, 'table').withArgs('global_bans').returns(mockTx);
+            const err = new Error('explosions');
+            const insert = sinon.stub(mockTx, 'insert').withArgs(input).rejects(err);
+            return globalBanDB.addGlobalIPBan(input.ip, input.reason).then(() => {
+                assert(false, 'Expected an error');
+            }).catch(error => {
+                assert.strictEqual(error, err, 'Expected error to match');
+                assert(insert.called, 'Expected insert to be called');
+            });
+        });
+    });
+
+    describe('#removeGlobalIPBan', () => {
+        it('removes a global ban', () => {
+            const ip = '1.2.3.4';
+            sinon.stub(mockTx, 'table').withArgs('global_bans').returns(mockTx);
+            const where = sinon.stub(mockTx, 'where').returns(mockTx);
+            const del = sinon.stub(mockTx, 'del').resolves();
+            return globalBanDB.removeGlobalIPBan(ip).then(() => {
+                assert(where.called, 'Expected where({ ip }) to be called');
+                assert(del.called, 'Expected del to be called');
+            });
+        });
+    });
+});

test/testutil/db.js

@@ -0,0 +1,24 @@
+const Promise = require('bluebird');
+
+function MockDB(mockTx) {
+    this.mockTx = mockTx;
+}
+
+MockDB.prototype = {
+    runTransaction: function runTransaction(fn) {
+        return fn(this.mockTx);
+    }
+};
+
+function MockTx() {
+
+}
+
+['insert', 'update', 'select', 'del', 'where', 'table'].forEach(method => {
+    MockTx.prototype[method] = function () {
+        return Promise.reject(new Error(`No stub defined for method "${method}"`));
+    };
+});
+
+exports.MockDB = MockDB;
+exports.MockTx = MockTx;