test: remove "mongo24|6_or_greater" check

because since mongoose 5.x, versions below mongodb 3.0.0 are unsupported, so we are always above.

Author: hasezoey

test/aggregate.test.js

@@ -817,12 +817,6 @@ describe('aggregate: ', function() {
 
     it('explain()', async function() {
       const aggregate = new Aggregate([], db.model('Employee'));
-      const version = await start.mongodVersion();
-
-      const mongo26 = version[0] > 2 || (version[0] === 2 && version[1] >= 6);
-      if (!mongo26) {
-        return;
-      }
 
       const output = await aggregate.
         match({ sal: { $lt: 16000 } }).
@@ -868,16 +862,13 @@ describe('aggregate: ', function() {
       const match = { $match: { sal: { $gt: 15000 } } };
       const pref = 'primaryPreferred';
       const aggregate = m.aggregate([match]).read(pref);
-      const mongo26_or_greater = version[0] > 2 || (version[0] === 2 && version[1] >= 6);
       const mongo32_or_greater = version[0] > 3 || (version[0] === 3 && version[1] >= 2);
 
       assert.equal(aggregate.options.readPreference.mode, pref);
-      if (mongo26_or_greater) {
-        aggregate.allowDiskUse(true);
-        aggregate.option({ maxTimeMS: 1000 });
-        assert.equal(aggregate.options.allowDiskUse, true);
-        assert.equal(aggregate.options.maxTimeMS, 1000);
-      }
+      aggregate.allowDiskUse(true);
+      aggregate.option({ maxTimeMS: 1000 });
+      assert.equal(aggregate.options.allowDiskUse, true);
+      assert.equal(aggregate.options.maxTimeMS, 1000);
 
       if (mongo32_or_greater) {
         aggregate.readConcern('m');

test/model.aggregate.test.js

@@ -30,8 +30,6 @@ describe('model aggregate', function() {
   const project = { $project: { maxAge: 1, _id: 0 } };
   let db, A, maxAge;
 
-  let mongo26_or_greater = false;
-
   before(async function() {
     db = start();
     A = db.model('Test', userSchema);
@@ -49,14 +47,6 @@ describe('model aggregate', function() {
     }
 
     await A.create(docs);
-
-    const version = await start.mongodVersion();
-
-    mongo26_or_greater = version[0] > 2 || (version[0] === 2 && version[1] >= 6);
-
-    if (!mongo26_or_greater) {
-      console.log('not testing mongodb 2.6 features');
-    }
   });
 
   after(async function() {
@@ -114,10 +104,6 @@ describe('model aggregate', function() {
     });
 
     it('can use helper for $out', async function() {
-      if (!mongo26_or_greater) {
-        return;
-      }
-
       const outputCollection = 'aggregate_output_' + random();
       await A.aggregate()
         .group(group.$group)

test/model.querying.test.js

@@ -68,16 +68,6 @@ describe('model: querying:', function() {
     geoSchema = new Schema({ loc: { type: [Number], index: '2d' } });
   });
 
-  let mongo26_or_greater = false;
-  before(async function() {
-    const version = await start.mongodVersion();
-
-    mongo26_or_greater = version[0] > 2 || (version[0] === 2 && version[1] >= 6);
-    if (!mongo26_or_greater) {
-      console.log('not testing mongodb 2.6 features');
-    }
-  });
-
   after(async function() {
     await db.close();
   });
@@ -1080,14 +1070,6 @@ describe('model: querying:', function() {
     });
 
     it('with $elemMatch (gh-3163)', async function() {
-      const version = await start.mongodVersion();
-
-      const mongo26_or_greater = version[0] > 2 || (version[0] === 2 && version[1] >= 6);
-      if (!mongo26_or_greater) {
-        return;
-      }
-
-
       const schema = new Schema({ test: [String] });
       const MyModel = db.model('Test', schema);
 
@@ -1377,23 +1359,7 @@ describe('model: querying:', function() {
       // geoMultiSchema.index({ geom: '2dsphere' });
     });
 
-    // mongodb 2.4
-    let mongo24_or_greater = false;
-    before(async function() {
-      const version = await start.mongodVersion();
-
-      mongo24_or_greater = version[0] > 2 || (version[0] === 2 && version[1] >= 4);
-
-      if (!mongo24_or_greater) {
-        console.log('not testing mongodb 2.4 features');
-      }
-    });
-
     it('index is allowed in schema', function(done) {
-      if (!mongo24_or_greater) {
-        return done();
-      }
-
       const ok = schema2dsphere.indexes().some(function(index) {
         return index[0].loc === '2dsphere';
       });
@@ -1403,10 +1369,6 @@ describe('model: querying:', function() {
 
     describe('$geometry', function() {
       it('Polygon', async function() {
-        if (!mongo24_or_greater) {
-          return;
-        }
-
         const Test = db.model('Test', schema2dsphere);
         await Test.init();
 
@@ -1527,10 +1489,6 @@ describe('model: querying:', function() {
 
       });
       it('works with legacy 2dsphere pair in schema (gh-6937)', async function() {
-        if (!mongo24_or_greater) {
-          return it.skip();
-        }
-
         const Model = db.model('Test', schema2dsphere);
         await Model.init();
         const model = new Model();
@@ -1543,17 +1501,6 @@ describe('model: querying:', function() {
   });
 
   describe('hashed indexes', function() {
-    let mongo24_or_greater = false;
-
-    before(async function() {
-      const version = await start.mongodVersion();
-
-      mongo24_or_greater = version[0] > 2 || (version[0] === 2 && version[1] >= 4);
-      if (!mongo24_or_greater) {
-        console.log('not testing mongodb 2.4 features');
-      }
-    });
-
     it('work', async function() {
       const schema = new Schema({ t: { type: String, index: 'hashed' } });