orchestrate with mocha hooks

.gitignore

@@ -10,3 +10,4 @@ coverage
 .nyc_output
 .DS_Store
 test/.DS_Store
+test/e2e/.cht-docker-helper

test/e2e/.mocharc.js

@@ -13,7 +13,7 @@ module.exports = {
     spec: require('./specs').all,
     timeout: 200 * 1000, //API takes a little long to start up
     reporter: 'spec',
-    file: [ 'test/e2e/hooks.js' ],
+    file: ['test/e2e/hooks.js'],
     captureFile: 'test/e2e/results.txt',
     exit: true,
     recursive: true,

test/e2e/hooks.js

@@ -1,9 +1,66 @@
-before(() => {
+const path = require('path');
+const fs = require('fs');
+const https = require('https');
+const { spawn } = require('child_process');
+
+const projectName = 'cht_conf_e2e_tests';
+const dockerHelperDirectory = path.resolve(__dirname, '.cht-docker-helper');
+const dockerHelperScript = path.resolve(dockerHelperDirectory, './cht-docker-compose.sh');
+
+const downloadDockerHelperScript = () => new Promise((resolve, reject) => {
+    const file = fs.createWriteStream(dockerHelperScript, { mode: 0o755 });
+    https
+        .get('https://raw.githubusercontent.com/medic/cht-core/master/scripts/docker-helper-4.x/cht-docker-compose.sh', (response) => {
+            response.pipe(file);
+            file.on('finish', () => file.close(resolve));
+            file.on('error', () => file.close(reject));
+        })
+        .on('error', () => {
+            fs.unlinkSync(file.path);
+            file.close(() => reject('Failed to download CHT Docker Helper script "cht-docker-compose.sh"'));
+        });
+});
+
+const spinUpCHT = () => new Promise((resolve, reject) => {
+    const childProcess = spawn(dockerHelperScript, { stdio: 'pipe', cwd: dockerHelperDirectory });
+    childProcess.on('error', reject);
+    childProcess.on('close', resolve);
+
+    const configFile = path.resolve(dockerHelperDirectory, `${projectName}.env`);
+    if (fs.existsSync(configFile)) {
+        childProcess.stdin.write('n\n');
+        childProcess.stdin.write('1\n');
+    } else {
+        childProcess.stdin.write('y\n');
+        childProcess.stdin.write('y\n');
+        childProcess.stdin.write(`${projectName}\n`);
+    }
+});
+
+const takeDownCHT = () => new Promise((resolve, reject) => {
+    const childProcess = spawn(dockerHelperScript, [`${projectName}.env`, 'stop'], { cwd: dockerHelperDirectory });
+    childProcess.on('error', reject);
+    childProcess.on('close', resolve);
+});
+
+before(async () => {
     console.log('before');
+
+    if (!fs.existsSync(dockerHelperDirectory)) {
+        fs.mkdirSync(dockerHelperDirectory);
+    }
+
+    if (!fs.existsSync(dockerHelperScript)) {
+        await downloadDockerHelperScript();
+    }
+
+    await spinUpCHT();
 });
 
-after(() => {
+after(async () => {
     console.log('after');
+
+    await takeDownCHT();
 });
 
 beforeEach(() => {
@@ -12,4 +69,4 @@ beforeEach(() => {
 
 afterEach(() => {
     console.log('afterEach');
-});
+});