Test solc-js download

Author: r0qs

test/downloader.ts

@@ -0,0 +1,38 @@
+import tape from 'tape';
+import * as semver from 'semver';
+import * as tmp from 'tmp';
+import wrapper from '../wrapper';
+import downloader from '../downloader';
+
+const pkg = require('../package.json');
+
+tape('Download latest binary', function (t) {
+  t.test('checking whether the current version is the latest available for download', async function (st) {
+    try {
+      const list = JSON.parse(await downloader.getVersionList());
+      const wanted = pkg.version.match(/^(\d+\.\d+\.\d+)$/)[1];
+      if (semver.neq(wanted, list.latestRelease)) {
+        st.fail(`Version ${wanted} is not the latest release ${list.latestRelease}`);
+      }
+
+      const releaseFileName = list.releases[wanted];
+      const expectedFile = list.builds.filter(function (entry) { return entry.path === releaseFileName; })[0];
+      if (!expectedFile) {
+        st.fail(`Version ${wanted} not found. Version list is invalid or corrupted?`);
+      }
+
+      const tempDir = tmp.dirSync({ unsafeCleanup: true, prefix: 'solc-js-compiler-test-' }).name;
+      const solcjsBin = `${tempDir}/${expectedFile.path}`;
+      await downloader.downloadBinary(solcjsBin, releaseFileName, expectedFile.keccak256);
+
+      const solc = wrapper(require(solcjsBin));
+      if (semver.neq(solc.version(), wanted)) {
+        st.fail('Downloaded version differs from package version');
+      }
+      st.pass(`Version ${wanted} successfully downloaded`);
+    } catch (err) {
+      st.fail(err.message);
+    }
+    st.end();
+  });
+});

test/index.ts

@@ -6,6 +6,7 @@ import('./compiler');
 import('./smtcallback');
 import('./smtchecker');
 import('./abi');
+import('./downloader');
 
 // The CLI doesn't support Node 4
 if (semver.gte(process.version, '5.0.0')) {