Add test for generating index files from the database

Author: arlosi

src/tests/http-data/krate_publish_sparse_index

@@ -0,0 +1,62 @@
+[
+  {
+    "request": {
+      "uri": "http://alexcrichton-test.s3.amazonaws.com/crates/foo_new/foo_new-1.0.0.crate",
+      "method": "PUT",
+      "headers": [
+        [
+          "accept",
+          "*/*"
+        ],
+        [
+          "accept-encoding",
+          "gzip"
+        ],
+        [
+          "content-length",
+          "35"
+        ],
+        [
+          "content-type",
+          "application/gzip"
+        ]
+      ],
+      "body": "H4sIAAAAAAAA/+3AAQEAAACCIP+vbkhQwKsBLq+17wAEAAA="
+    },
+    "response": {
+      "status": 200,
+      "headers": [],
+      "body": ""
+    }
+  },
+  {
+    "request": {
+      "uri": "http://alexcrichton-test.s3.amazonaws.com/fo/o_/foo_new",
+      "method": "PUT",
+      "headers": [
+        [
+          "accept",
+          "*/*"
+        ],
+        [
+          "accept-encoding",
+          "gzip"
+        ],
+        [
+          "content-length",
+          "161"
+        ],
+        [
+          "content-type",
+          "text/plain"
+        ]
+      ],
+      "body": "eyJuYW1lIjoiZm9vX25ldyIsInZlcnMiOiIxLjAuMCIsImRlcHMiOltdLCJja3N1bSI6ImFjYjU2MDRiMTI2YWM4OTRjMWViMTFjNDU3NWJmMjA3MmZlYTYxMjMyYTg4OGU0NTM3NzBjNzlkN2VkNTY0MTkiLCJmZWF0dXJlcyI6e30sInlhbmtlZCI6ZmFsc2UsImxpbmtzIjpudWxsfQo="
+    },
+    "response": {
+      "status": 200,
+      "headers": [],
+      "body": ""
+    }
+  }
+]

src/tests/krate/publish.rs

@@ -123,6 +123,24 @@ fn new_krate() {
     assert_eq!(json.krate.max_version, "1.0.0");
 }
 
+#[test]
+fn sparse_index() {
+    let (_, _, user) = TestApp::full().with_user();
+
+    let crate_to_publish = PublishBuilder::new("foo_new").version("1.0.0");
+    user.publish_crate(crate_to_publish).good();
+
+    let response: crate::util::Response<String> = user.get("/api/private/index/fo/o_/foo_new");
+    assert_eq!(response.status(), StatusCode::OK);
+    let body = std::str::from_utf8(response.body()).unwrap();
+
+    assert_eq!(
+        body,
+        r#"{"name":"foo_new","vers":"1.0.0","deps":[],"cksum":"acb5604b126ac894c1eb11c4575bf2072fea61232a888e453770c79d7ed56419","features":{},"yanked":false,"links":null}
+"#
+    );
+}
+
 #[test]
 fn new_krate_with_token() {
     let (_, _, _, token) = TestApp::full().with_token();

src/tests/util/response.rs

@@ -46,6 +46,14 @@ impl<T> Response<T> {
         self.response.status()
     }
 
+    pub fn body(&self) -> &[u8] {
+        match self.response.body() {
+            Body::Static(v) => v,
+            Body::Owned(v) => v,
+            Body::File(_) => unimplemented!(),
+        }
+    }
+
     #[track_caller]
     pub fn assert_redirect_ends_with(&self, target: &str) -> &Self {
         assert!(self