test: test to assert a dep not maching any Python envs is not present

.gitignore

@@ -1,3 +1,5 @@
 /node_modules/
 __pycache__/
 *.pyc
+npm-debug.log
+test/.venvs/

test/inspect.test.js

@@ -206,7 +206,6 @@ test('transitive dep not installed, but with allowMissing option',
           t.ok(pkg, 'package');
           t.equal(pkg.name, 'pip-app', 'name');
           t.equal(pkg.version, '0.0.0', 'version');
-          // t.equal(pkg.full, 'pip-app@0.0.0', 'full'); // do we need this?
           t.end();
         });
 
@@ -321,7 +320,7 @@ test('uses provided exec command', function (t) {
     });
 });
 
-test('package name differs from requirement', function (t) {
+test('package name differs from requirement (- vs _)', function (t) {
   return Promise.resolve().then(function () {
     chdirWorkspaces('pip-app-deps-with-dashes');
     var venvCreated = testUtils.ensureVirtualenv('pip-app-deps-with-dashes');
@@ -347,6 +346,30 @@ test('package name differs from requirement', function (t) {
     });
 });
 
+test('package name differs from requirement (- vs .)', function (t) {
+  t.pass('Not implemented yet');
+  t.end();
+});
+
+test('package installed conditionally based on python version', function (t) {
+  return Promise.resolve().then(function () {
+    chdirWorkspaces('pip-app-with-python-markers');
+    var venvCreated = testUtils.ensureVirtualenv('pip-app-with-python-markers');
+    t.teardown(testUtils.activateVirtualenv('pip-app-with-python-markers'));
+    if (venvCreated) {
+      testUtils.pipInstall();
+    }
+  })
+    .then(function () {
+      return plugin.inspect('.', 'requirements.txt');
+    })
+    .then(function (result) {
+      var pkg = result.package;
+      t.notOk(pkg.dependencies.enum34, 'enum34 dep ignored');
+      t.end();
+    });
+});
+
 test('package depends on platform', function (t) {
   return Promise.resolve().then(function () {
     chdirWorkspaces('pip-app-deps-conditional');

test/workspaces/pip-app-with-python-markers/requirements.txt

@@ -0,0 +1,25 @@
+amqp==2.4.2
+apscheduler==3.6.0
+asn1crypto==0.24.0
+astroid==1.6.6
+atomicwrites==1.3.0
+attrs==19.1.0
+automat==0.7.0
+backports.functools-lru-cache==1.5 ; python_version < '3.2'
+billiard==3.6.0.0
+celery==4.3.0
+certifi==2019.3.9
+cffi==1.12.3
+chardet==3.0.4
+click==7.0
+clickclick==1.2.2
+configparser==3.7.4 ; python_version == '2.7'
+connexion[swagger-ui]==2.2.0
+constantly==15.1.0
+cryptography==2.6.1
+cssselect==1.0.3
+cython==0.29.7
+enum34==1.1.6 ; python_version < '2.6'
+fastavro==0.21.21
+flask-apscheduler==1.11.0
+flask==1.0.2