Verify platform of vendor binaries at install and run time

test/unit/platform.js

@@ -0,0 +1,47 @@
+'use strict';
+
+const assert = require('assert');
+const platform = require('../../lib/platform');
+
+describe('Platform-detection', function () {
+  it('Can override arch with npm_config_arch', function () {
+    process.env.npm_config_arch = 'test';
+    assert.strictEqual('test', platform().split('-')[1]);
+    delete process.env.npm_config_arch;
+  });
+
+  it('Can override platform with npm_config_platform', function () {
+    process.env.npm_config_platform = 'test';
+    assert.strictEqual('test', platform().split('-')[0]);
+    delete process.env.npm_config_platform;
+  });
+
+  it('Can override ARM version via npm_config_armv', function () {
+    process.env.npm_config_arch = 'arm';
+    process.env.npm_config_armv = 'test';
+    assert.strictEqual('armvtest', platform().split('-')[1]);
+    delete process.env.npm_config_armv;
+    delete process.env.npm_config_arch;
+  });
+
+  it('Can detect ARM version via process.config', function () {
+    process.env.npm_config_arch = 'armhf';
+    const armVersion = process.config.variables.arm_version;
+    process.config.variables.arm_version = 'test';
+    assert.strictEqual('armvtest', platform().split('-')[1]);
+    process.config.variables.arm_version = armVersion;
+    delete process.env.npm_config_arch;
+  });
+
+  it('Defaults to ARMv6 for 32-bit', function () {
+    process.env.npm_config_arch = 'arm';
+    assert.strictEqual('armv6', platform().split('-')[1]);
+    delete process.env.npm_config_arch;
+  });
+
+  it('Defaults to ARMv8 for 64-bit', function () {
+    process.env.npm_config_arch = 'arm64';
+    assert.strictEqual('armv8', platform().split('-')[1]);
+    delete process.env.npm_config_arch;
+  });
+});