add tests

Author: YaroShkvorets

packages/cli/tests/cli/__snapshots__/init.test.ts.snap

@@ -285,3 +285,35 @@ Next steps:
 Make sure to visit the documentation on https://thegraph.com/docs/ for further information.
 "
 `;
+
+exports[`Init > Substreams > From package 1`] = `
+" ›   Warning: The --skip-git flag will be removed in the next major version. By
+ ›    default we will stop initializing a Git repository.
+- Create subgraph scaffold
+  Generate subgraph
+- Create subgraph scaffold
+  Write subgraph to directory
+- Create subgraph scaffold
+✔ Create subgraph scaffold
+- Install dependencies with yarn
+✔ Install dependencies with yarn
+"
+`;
+
+exports[`Init > Substreams > From package 2`] = `0`;
+
+exports[`Init > Substreams > From package 3`] = `
+"
+Subgraph user/subgraph-from-substreams created in from-package
+
+Next steps:
+
+  1. Run \`graph auth\` to authenticate with your deploy key.
+
+  2. Type \`cd from-package\` to enter the subgraph.
+
+  3. Run \`yarn deploy\` to deploy the subgraph.
+
+Make sure to visit the documentation on https://thegraph.com/docs/ for further information.
+"
+`;

packages/cli/tests/cli/init.test.ts

@@ -210,6 +210,33 @@ describe.sequential(
         },
       );
     });
+
+    describe('Substreams', () => {
+      const substreamsBaseDir = path.join(baseDir, 'substreams');
+
+      cliTest(
+        'From package',
+        [
+          'init',
+          '--skip-git',
+          '--protocol',
+          'substreams',
+          '--spkg',
+          path.join(substreamsBaseDir, 'substreams.spkg'),
+          '--network',
+          'mainnet',
+          'user/subgraph-from-substreams',
+          path.join(substreamsBaseDir, 'from-package'),
+        ],
+        path.join('init', 'substreams', 'from-package'),
+        {
+          exitCode: 0,
+          timeout: 100_000,
+          cwd: substreamsBaseDir,
+          deleteDir: true,
+        },
+      );
+    });
   },
   {
     timeout: 60_000,

packages/cli/tests/cli/init/substreams/substreams.spkg

@@ -0,0 +1 @@
+test file, nothing to see here