Update tests, changelog, docs

Signed-off-by: Charlie Le <[email protected]>

CHANGELOG.md

@@ -6,6 +6,7 @@ Order should be `CHANGE`, `FEATURE`, `ENHANCEMENT`, and `BUGFIX`
 * [CHANGE] Upgrade to v1.13.2
 * [FEATURE] Make rulerAPI Path configurable
 * [FEATURE] Add tool to deserialize alertmanager state file
+* [BUGFIX] Set tenant id in prom analyse command
 
 ## v0.11.1
 * [BUGFIX] Fix check for new version

pkg/httpmiddleware/roundtripper.go

@@ -2,11 +2,18 @@ package httpmiddleware
 
 import "net/http"
 
+// TenantIDRoundTripper is a custom implementation of http.RoundTripper.
+// It adds a tenant name to the request header before passing it to the next RoundTripper.
 type TenantIDRoundTripper struct {
+	// TenantName is the name of the tenant to be added to the request header.
 	TenantName string
-	Next       http.RoundTripper
+	// Next is the next RoundTripper in the chain.
+	Next http.RoundTripper
 }
 
+// RoundTrip adds the tenant name to the request header and then passes the request to the next RoundTripper.
+// If TenantName is not set, it simply passes the request to the next RoundTripper.
+// It returns the response from the next RoundTripper and any error encountered.
 func (r *TenantIDRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
 	if r.TenantName != "" {
 		req.Header.Set("X-Scope-OrgID", r.TenantName)

pkg/httpmiddleware/roundtripper_test.go

@@ -0,0 +1,36 @@
+package httpmiddleware
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+// TestTenantIDRoundTripper_RoundTrip tests the RoundTrip method of TenantIDRoundTripper.
+// It creates a new TenantIDRoundTripper with a TenantName and the default http transport as Next.
+// It then sends a request and checks if the X-Scope-OrgID header of the request is correctly set to the TenantName.
+// It also checks if the status code of the response is OK (200).
+func TestTenantIDRoundTripper_RoundTrip(t *testing.T) {
+	// Create a new TenantIDRoundTripper with a TenantName and the default http transport as Next.
+	roundTripper := &TenantIDRoundTripper{
+		TenantName: "test-tenant",
+		Next:       http.DefaultTransport,
+	}
+
+	// Create a new request.
+	req := httptest.NewRequest("GET", "https://example.com", nil)
+
+	// Send the request using the RoundTrip method of the TenantIDRoundTripper.
+	resp, err := roundTripper.RoundTrip(req)
+
+	// Check if there was an error.
+	require.NoError(t, err)
+
+	// Check if the status code of the response is OK (200).
+	require.Equal(t, http.StatusOK, resp.StatusCode)
+
+	// Check if the X-Scope-OrgID header of the request is correctly set to the TenantName.
+	require.Equal(t, "test-tenant", req.Header.Get("X-Scope-OrgID"))
+}