Add integration testing (#4)

## Problem

Right now we don't have integration testing as a CI job.

## Solution

I added integration tests (in `pinecone_sdk/tests`) and added the job to
the GitHub workflow.

## Type of Change

- [ ] Bug fix (non-breaking change which fixes an issue)
- [x] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- [ ] This change requires a documentation update
- [ ] Infrastructure change (CI configs, etc)
- [ ] Non-code change (docs, etc)
- [ ] None of the above: (explain here)

## Test Plan

The integration tests should run as a CI job and pass.

---------

Co-authored-by: Emily Yu <emily.y@pinecone.io>

.github/workflows/ci.yaml

@@ -20,4 +20,6 @@ jobs:
         - name: Build
           run: cargo build
         - name: Run tests
-          run: cargo test --verbose
+          env:
+            PINECONE_API_KEY: ${{ secrets.PINECONE_API_KEY }}
+          run: cargo test --verbose

pinecone_sdk/src/config.rs

@@ -17,4 +17,4 @@ impl Config {
             source_tag,
         }
     }
-}
+}

pinecone_sdk/src/control/list_indexes.rs

@@ -98,4 +98,4 @@ mod tests {
             Err(err) => panic!("Expected Ok, got Err: {:?}", err),
         }
     }
-}
+}

pinecone_sdk/src/control/mod.rs

@@ -1,3 +1,3 @@
 mod list_indexes;
 
-pub use list_indexes::*;
+pub use list_indexes::*;

pinecone_sdk/src/lib.rs

@@ -1,4 +1,4 @@
 pub mod config;
 pub mod control;
 pub mod pinecone;
-pub mod utils;
+pub mod utils;

pinecone_sdk/src/pinecone.rs

@@ -344,4 +344,4 @@ mod tests {
             mock_arg_headers.clone()
         );
     }
-}
+}

pinecone_sdk/src/utils/errors.rs

@@ -7,4 +7,4 @@ pub enum PineconeError {
 
     #[snafu(display("Failed to parse headers: {}", json_error))]
     InvalidHeadersError { json_error: serde_json::Error },
-}
+}

pinecone_sdk/src/utils/mod.rs

@@ -1,2 +1,2 @@
 pub mod errors;
-pub mod user_agent;
+pub mod user_agent;

pinecone_sdk/tests/integration_test.rs

@@ -0,0 +1,9 @@
+use pinecone_sdk::pinecone::Pinecone;
+
+#[tokio::test]
+async fn test_list_serverless_index_env() {
+    let pinecone = Pinecone::new(None, None, None, None).unwrap();
+    let list_response = pinecone.list_indexes().await;
+
+    assert!(list_response.is_ok());
+}