feat(MongoBinaryDownloadUrl::getDebianVersionString): use debian11 when possible

Author: hasezoey

packages/mongodb-memory-server-core/src/util/MongoBinaryDownloadUrl.ts

@@ -222,17 +222,16 @@ export class MongoBinaryDownloadUrl implements MongoBinaryDownloadUrlOpts {
     let name = 'debian';
     const release: number = parseFloat(os.release);
 
-    // Note: Debian 11 is compatible with the binaries for debian 10
-    if (release >= 10 || ['unstable', 'testing'].includes(os.release)) {
-      if (semver.lt(this.version, '4.2.1')) {
-        throw new KnownVersionIncompatibilityError(
-          `Debian ${release}`,
-          this.version,
-          '>=4.2.1',
-          'Mongodb does not provide binaries for versions before 4.2.1 for Debian 10+ and also cannot be mapped to a previous Debian release'
-        );
+    if (release >= 11 || ['unstable', 'testing'].includes(os.release)) {
+      // Debian 11 is compatible with the binaries for debian 10
+      // but does not have binaries for before 5.0.8
+      if (semver.lt(this.version, '5.0.8')) {
+        log('debian11 detected, but version below 5.0.8 requested, using debian10');
+        name += '10';
+      } else {
+        name += '11';
       }
-
+    } else if (release >= 10) {
       name += '10';
     } else if (release >= 9) {
       name += '92';
@@ -242,6 +241,17 @@ export class MongoBinaryDownloadUrl implements MongoBinaryDownloadUrlOpts {
       name += '71';
     }
 
+    if (release >= 10) {
+      if (semver.lt(this.version, '4.2.1')) {
+        throw new KnownVersionIncompatibilityError(
+          `Debian ${release}`,
+          this.version,
+          '>=4.2.1',
+          'Mongodb does not provide binaries for versions before 4.2.1 for Debian 10+ and also cannot be mapped to a previous Debian release'
+        );
+      }
+    }
+
     return name;
   }
 

packages/mongodb-memory-server-core/src/util/__tests__/MongoBinaryDownloadUrl.test.ts

@@ -205,6 +205,38 @@ describe('MongoBinaryDownloadUrl', () => {
           );
         });
 
+        it('for debian 11 for 5.0.7 (using debian 10 binaries)', async () => {
+          const du = new MongoBinaryDownloadUrl({
+            platform: 'linux',
+            arch: 'x64',
+            version: '5.0.7',
+            os: {
+              os: 'linux',
+              dist: 'debian',
+              release: '11',
+            },
+          });
+          expect(await du.getDownloadUrl()).toBe(
+            'https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-debian10-5.0.7.tgz'
+          );
+        });
+
+        it('for debian 11 for 5.0.8', async () => {
+          const du = new MongoBinaryDownloadUrl({
+            platform: 'linux',
+            arch: 'x64',
+            version: '5.0.8',
+            os: {
+              os: 'linux',
+              dist: 'debian',
+              release: '11',
+            },
+          });
+          expect(await du.getDownloadUrl()).toBe(
+            'https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-debian11-5.0.8.tgz'
+          );
+        });
+
         it('should throw a Error when requesting a version below 4.2.1 for debian 10+ [#554] [KnownVersionIncompatibilityError]', async () => {
           const du = new MongoBinaryDownloadUrl({
             platform: 'linux',
@@ -226,6 +258,28 @@ describe('MongoBinaryDownloadUrl', () => {
             expect(err.message).toMatchSnapshot();
           }
         });
+
+        it('should throw a Error when requesting a version below 4.2.1 for debian 11+ [#554] [KnownVersionIncompatibilityError]', async () => {
+          const du = new MongoBinaryDownloadUrl({
+            platform: 'linux',
+            arch: 'x64',
+            version: '4.0.25',
+            os: {
+              os: 'linux',
+              dist: 'debian',
+              release: '11',
+            },
+          });
+
+          try {
+            await du.getDownloadUrl();
+            fail('Expected to throw a KnownVersionIncompatibilityError');
+          } catch (err) {
+            assertIsError(err);
+            expect(err).toBeInstanceOf(KnownVersionIncompatibilityError);
+            expect(err.message).toMatchSnapshot();
+          }
+        });
       });
 
       it('fallback', async () => {

packages/mongodb-memory-server-core/src/util/__tests__/__snapshots__/MongoBinaryDownloadUrl.test.ts.snap

@@ -5,6 +5,11 @@ exports[`MongoBinaryDownloadUrl getDownloadUrl() for linux for debian should thr
 Mongodb does not provide binaries for versions before 4.2.1 for Debian 10+ and also cannot be mapped to a previous Debian release"
 `;
 
+exports[`MongoBinaryDownloadUrl getDownloadUrl() for linux for debian should throw a Error when requesting a version below 4.2.1 for debian 11+ [#554] [KnownVersionIncompatibilityError] 1`] = `
+"Requested Version \\"4.0.25\\" is not available for \\"Debian 11\\"! Available Versions: \\">=4.2.1\\"
+Mongodb does not provide binaries for versions before 4.2.1 for Debian 10+ and also cannot be mapped to a previous Debian release"
+`;
+
 exports[`MongoBinaryDownloadUrl getDownloadUrl() should throw an error if platform is unknown (getArchiveName) 1`] = `"Unknown Platform: \\"unknown\\""`;
 
 exports[`MongoBinaryDownloadUrl getDownloadUrl() should throw an error if platform is unknown (translatePlatform) 1`] = `"Unknown Platform: \\"unknown\\""`;