Apply Code Coverage Badge

* add status package with tests and integrate into response parsing
* improve unit-tests
* improve readme

.github/autoapprove.yml

@@ -0,0 +1,28 @@
+name: "autoapprove"
+
+on:
+  pull_request_target:
+    types: [assigned, opened, synchronize, reopened]
+  workflow_run:
+    workflows: ["prbuild"]
+    types:
+      - completed
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  autoapprove:
+    runs-on: ubuntu-latest
+    steps:
+      - name: approve
+        run: [ "curl -o tea https://dl.gitea.com/tea/main/tea-main-linux-amd64",
+               "chmod +x ./tea",
+               "./tea login add --name unistack --token ${{ secrets.GITHUB_TOKEN }} --url https://git.unistack.org",
+               "./tea pr --repo ${{ github.event.repository.name }}"
+        ]
+        if: github.actor == 'vtolstov'
+        id: approve
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/job_sync.yml

@@ -0,0 +1,94 @@
+name: sync
+
+on:
+  schedule:
+    - cron: '*/5 * * * *'
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+jobs:
+  sync:
+    if: github.server_url != 'https://github.com'
+    runs-on: ubuntu-latest
+    steps:
+    - name: init
+      run: |
+        git config --global user.email "vtolstov <vtolstov@users.noreply.github.com>"
+        git config --global user.name "github-actions[bot]"
+        echo "machine git.unistack.org login vtolstov password ${{ secrets.TOKEN_GITEA }}" >> /root/.netrc
+        echo "machine github.com login vtolstov password ${{ secrets.TOKEN_GITHUB }}" >> /root/.netrc
+
+    - name: check master
+      id: check_master
+      run: |
+        src_hash=$(git ls-remote https://github.com/${GITHUB_REPOSITORY} refs/heads/master | cut -f1)
+        dst_hash=$(git ls-remote ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} refs/heads/master | cut -f1)
+        echo "src_hash=$src_hash"
+        echo "dst_hash=$dst_hash"
+        if [ "$src_hash" != "$dst_hash" ]; then
+          echo "sync_needed=true" >> $GITHUB_OUTPUT
+        else
+          echo "sync_needed=false" >> $GITHUB_OUTPUT
+        fi
+
+    - name: sync master
+      if: steps.check_master.outputs.sync_needed == 'true'
+      run: |
+        git clone --filter=blob:none --filter=tree:0 --branch master --single-branch ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} repo
+        cd repo
+        git remote add --no-tags --fetch --track master upstream https://github.com/${GITHUB_REPOSITORY}
+        git pull --rebase upstream master
+        git push upstream master --progress
+        git push origin master --progress
+        cd ../
+        rm -rf repo
+
+    - name: check v3
+      id: check_v3
+      run: |
+        src_hash=$(git ls-remote https://github.com/${GITHUB_REPOSITORY} refs/heads/v3 | cut -f1)
+        dst_hash=$(git ls-remote ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} refs/heads/v3 | cut -f1)
+        echo "src_hash=$src_hash"
+        echo "dst_hash=$dst_hash"
+        if [ "$src_hash" != "$dst_hash" ]; then
+          echo "sync_needed=true" >> $GITHUB_OUTPUT
+        else
+          echo "sync_needed=false" >> $GITHUB_OUTPUT
+        fi
+
+    - name: sync v3
+      if: steps.check_v3.outputs.sync_needed == 'true'
+      run: |
+        git clone --filter=blob:none --filter=tree:0 --branch v3 --single-branch ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} repo
+        cd repo
+        git remote add --no-tags --fetch --track v3 upstream https://github.com/${GITHUB_REPOSITORY}
+        git pull --rebase upstream v3
+        git push upstream v3 --progress
+        git push origin v3 --progress
+        cd ../
+        rm -rf repo
+
+    - name: check v4
+      id: check_v4
+      run: |
+        src_hash=$(git ls-remote https://github.com/${GITHUB_REPOSITORY} refs/heads/v4 | cut -f1)
+        dst_hash=$(git ls-remote ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} refs/heads/v4 | cut -f1)
+        echo "src_hash=$src_hash"
+        echo "dst_hash=$dst_hash"
+        if [ "$src_hash" != "$dst_hash" ]; then
+          echo "sync_needed=true" >> $GITHUB_OUTPUT
+        else
+          echo "sync_needed=false" >> $GITHUB_OUTPUT
+        fi
+
+    - name: sync v4
+      if: steps.check_v4.outputs.sync_needed == 'true'
+      run: |
+        git clone --filter=blob:none --filter=tree:0 --branch v4 --single-branch ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} repo
+        cd repo
+        git remote add --no-tags --fetch --track v4 upstream https://github.com/${GITHUB_REPOSITORY}
+        git pull --rebase upstream v4
+        git push upstream v4 --progress
+        git push origin v4 --progress
+        cd ../
+        rm -rf repo

README.md

@@ -1,8 +1,8 @@
 # HTTP Client
 ![Coverage](https://img.shields.io/badge/Coverage-42.4%25-yellow)
 
-This plugin is an HTTP client for [Micro](https://pkg.go.dev/go.unistack.org/micro/v3).
-It implements the [micro.Client](https://pkg.go.dev/go.unistack.org/micro/v3/client#Client) interface.
+This plugin is an HTTP client for [Micro](https://pkg.go.dev/go.unistack.org/micro/v4).
+It implements the [micro.Client](https://pkg.go.dev/go.unistack.org/micro/v4/client#Client) interface.
 
 ## Overview
 
@@ -18,8 +18,8 @@ implements HTTP rules defined in the [google/api/http.proto](https://github.com/
 
 ```go
 import (
-    "go.unistack.org/micro/v3"
-    http "go.unistack.org/micro-client-http/v3"
+    "go.unistack.org/micro/v4"
+    http "go.unistack.org/micro-client-http/v4"
 )
 
 service := micro.NewService(
@@ -32,9 +32,9 @@ service := micro.NewService(
 
 ```go
 import (
-    "go.unistack.org/micro/v3/client"
-    http "go.unistack.org/micro-client-http/v3"
-    jsoncodec "go.unistack.org/micro-codec-json/v3"
+    "go.unistack.org/micro/v4/client"
+    http "go.unistack.org/micro-client-http/v4"
+    jsoncodec "go.unistack.org/micro-codec-json/v4"
 )
 
 c := http.NewClient(
@@ -60,8 +60,8 @@ err := c.Call(
 
 ```go
 import (
-    "go.unistack.org/micro/v3/client"
-    http "go.unistack.org/micro-client-http/v3"
+    "go.unistack.org/micro/v4/client"
+    http "go.unistack.org/micro-client-http/v4"
 )
 
 err := c.Call(
@@ -79,8 +79,8 @@ err := c.Call(
 
 ```go
 import (
-    "go.unistack.org/micro/v3/metadata"
-    http "go.unistack.org/micro-client-http/v3"
+    "go.unistack.org/micro/v4/metadata"
+    http "go.unistack.org/micro-client-http/v4"
 )
 
 ctx := metadata.NewOutgoingContext(ctx, metadata.Pairs(
@@ -100,8 +100,8 @@ err := c.Call(
 
 ```go
 import (
-    "go.unistack.org/micro/v3/metadata"
-    http "go.unistack.org/micro-client-http/v3"
+    "go.unistack.org/micro/v4/metadata"
+    http "go.unistack.org/micro-client-http/v4"
 )
 
 respMetadata := metadata.Metadata{}
@@ -118,8 +118,8 @@ err := c.Call(
 
 ```go
 import (
-    "go.unistack.org/micro/v3/metadata"
-    http "go.unistack.org/micro-client-http/v3"
+    "go.unistack.org/micro/v4/metadata"
+    http "go.unistack.org/micro-client-http/v4"
 )
 
 ctx := metadata.NewOutgoingContext(context.Background(), metadata.Pairs(
@@ -138,9 +138,9 @@ err := c.Call(
 
 ```go
 import (
-    http "go.unistack.org/micro-client-http/v3"
-    status "go.unistack.org/micro-client-http/v3/status"
-    jsoncodec "go.unistack.org/micro-codec-json/v3"
+    http "go.unistack.org/micro-client-http/v4"
+    status "go.unistack.org/micro-client-http/v4/status"
+    jsoncodec "go.unistack.org/micro-codec-json/v4"
 )
 
 err := c.Call(

builder/proto/test_messages.pb.go

@@ -3745,7 +3745,7 @@ const file_test_messages_proto_rawDesc = "" +
 	"\fSpecialError\x12\x12\n" +
 	"\x04code\x18\x01 \x01(\tR\x04code\x12\x10\n" +
 	"\x03msg\x18\x02 \x01(\tR\x03msg\x12\x18\n" +
-	"\awarning\x18\x03 \x01(\tR\awarningB2Z0go.unistack.org/micro-client-http/v3/proto;protob\x06proto3"
+	"\awarning\x18\x03 \x01(\tR\awarningB2Z0go.unistack.org/micro-client-http/v4/proto;protob\x06proto3"
 
 var (
 	file_test_messages_proto_rawDescOnce sync.Once

builder/proto/test_messages.proto

@@ -2,7 +2,7 @@ syntax = "proto3";
 
 package proto;
 
-option go_package = "go.unistack.org/micro-client-http/v3/proto;proto";
+option go_package = "go.unistack.org/micro-client-http/v4/proto;proto";
 
 message TestRequestBuilder {}
 

builder/request_builder_bench_test.go

@@ -9,7 +9,7 @@ import (
 
 	"google.golang.org/protobuf/proto"
 
-	pb "go.unistack.org/micro-client-http/v3/builder/proto"
+	pb "go.unistack.org/micro-client-http/v4/builder/proto"
 )
 
 // sink prevents the compiler from optimizing away parsePathTemplate results.

builder/request_builder_test.go

@@ -6,8 +6,8 @@ import (
 	"github.com/stretchr/testify/require"
 	"google.golang.org/protobuf/proto"
 
-	"go.unistack.org/micro-client-http/v3/builder"
-	pb "go.unistack.org/micro-client-http/v3/builder/proto"
+	"go.unistack.org/micro-client-http/v4/builder"
+	pb "go.unistack.org/micro-client-http/v4/builder/proto"
 )
 
 func TestNewRequestBuilder(t *testing.T) {

client.go

@@ -7,11 +7,11 @@ import (
 	"sync"
 	"time"
 
-	"go.unistack.org/micro/v3/client"
-	"go.unistack.org/micro/v3/errors"
-	"go.unistack.org/micro/v3/options"
-	"go.unistack.org/micro/v3/semconv"
-	"go.unistack.org/micro/v3/tracer"
+	"go.unistack.org/micro/v4/client"
+	"go.unistack.org/micro/v4/errors"
+	"go.unistack.org/micro/v4/options"
+	"go.unistack.org/micro/v4/semconv"
+	"go.unistack.org/micro/v4/tracer"
 )
 
 var DefaultContentType = "application/json"

client_helpers.go

@@ -11,14 +11,14 @@ import (
 	"strings"
 	"time"
 
-	"go.unistack.org/micro/v3/client"
-	"go.unistack.org/micro/v3/codec"
-	"go.unistack.org/micro/v3/logger"
-	"go.unistack.org/micro/v3/metadata"
+	"go.unistack.org/micro/v4/client"
+	"go.unistack.org/micro/v4/codec"
+	"go.unistack.org/micro/v4/logger"
+	"go.unistack.org/micro/v4/metadata"
 	"google.golang.org/protobuf/proto"
 	"google.golang.org/protobuf/reflect/protoreflect"
 
-	"go.unistack.org/micro-client-http/v3/builder"
+	"go.unistack.org/micro-client-http/v4/builder"
 )
 
 func buildHTTPRequest(
@@ -205,7 +205,7 @@ func setHeadersAndCookies(ctx context.Context, r *http.Request, ct string, opts
 				applyCookies(r, v)
 				continue
 			}
-			r.Header[k] = append(r.Header[k], v)
+			r.Header[k] = append(r.Header[k], v...)
 		}
 	}
 
@@ -215,18 +215,20 @@ func setHeadersAndCookies(ctx context.Context, r *http.Request, ct string, opts
 				applyCookies(r, v)
 				continue
 			}
-			r.Header[k] = append(r.Header[k], v)
+			r.Header[k] = append(r.Header[k], v...)
 		}
 	}
 }
 
-func applyCookies(r *http.Request, rawCookies string) {
+func applyCookies(r *http.Request, rawCookies []string) {
 	if len(rawCookies) == 0 {
 		return
 	}
 
+	raw := strings.Join(rawCookies, "; ")
+
 	tmp := http.Request{Header: http.Header{}}
-	tmp.Header.Set("Cookie", rawCookies)
+	tmp.Header.Set("Cookie", raw)
 
 	for _, c := range tmp.Cookies() {
 		r.AddCookie(c)

client_helpers_test.go

@@ -6,10 +6,10 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/require"
-	jsoncodec "go.unistack.org/micro-codec-json/v3"
+	jsoncodec "go.unistack.org/micro-codec-json/v4"
 	"google.golang.org/protobuf/proto"
 
-	pb "go.unistack.org/micro-client-http/v3/builder/proto"
+	pb "go.unistack.org/micro-client-http/v4/builder/proto"
 )
 
 func TestJoinURL(t *testing.T) {
@@ -232,24 +232,24 @@ func TestMarshallMsg(t *testing.T) {
 func TestApplyCookies(t *testing.T) {
 	tests := []struct {
 		name       string
-		rawCookies string
+		rawCookies []string
 		want       []*http.Cookie
 	}{
 		{
 			name:       "empty",
-			rawCookies: "",
+			rawCookies: []string{},
 			want:       []*http.Cookie{},
 		},
 		{
 			name:       "single cookie",
-			rawCookies: "session=abc123",
+			rawCookies: []string{"session=abc123"},
 			want: []*http.Cookie{
 				{Name: "session", Value: "abc123"},
 			},
 		},
 		{
 			name:       "multiple cookies separate items",
-			rawCookies: "session=abc123; user=john",
+			rawCookies: []string{"session=abc123", "user=john"},
 			want: []*http.Cookie{
 				{Name: "session", Value: "abc123"},
 				{Name: "user", Value: "john"},
@@ -257,7 +257,7 @@ func TestApplyCookies(t *testing.T) {
 		},
 		{
 			name:       "multiple cookies in one item",
-			rawCookies: "a=1; b=2",
+			rawCookies: []string{"a=1; b=2"},
 			want: []*http.Cookie{
 				{Name: "a", Value: "1"},
 				{Name: "b", Value: "2"},
@@ -265,7 +265,7 @@ func TestApplyCookies(t *testing.T) {
 		},
 		{
 			name:       "mix of combined and separate cookies",
-			rawCookies: "a=1; b=2; c=3",
+			rawCookies: []string{"a=1; b=2", "c=3"},
 			want: []*http.Cookie{
 				{Name: "a", Value: "1"},
 				{Name: "b", Value: "2"},
@@ -274,7 +274,7 @@ func TestApplyCookies(t *testing.T) {
 		},
 		{
 			name:       "duplicate cookies",
-			rawCookies: "session=abc123; session=xyz",
+			rawCookies: []string{"session=abc123", "session=xyz"},
 			want: []*http.Cookie{
 				{Name: "session", Value: "abc123"},
 				{Name: "session", Value: "xyz"},
@@ -282,7 +282,7 @@ func TestApplyCookies(t *testing.T) {
 		},
 		{
 			name:       "cookie with spaces",
-			rawCookies: "token=abc 123",
+			rawCookies: []string{"token=abc 123"},
 			want: []*http.Cookie{
 				{Name: "token", Value: "abc 123", Quoted: true},
 			},

client_stream.go

@@ -3,7 +3,7 @@ package http
 import (
 	"context"
 
-	"go.unistack.org/micro/v3/client"
+	"go.unistack.org/micro/v4/client"
 )
 
 // TODO: Add stream support in the future.

client_unary_call.go

@@ -10,14 +10,14 @@ import (
 	"strings"
 	"time"
 
-	"go.unistack.org/micro/v3/client"
-	"go.unistack.org/micro/v3/codec"
-	"go.unistack.org/micro/v3/errors"
-	"go.unistack.org/micro/v3/logger"
-	"go.unistack.org/micro/v3/metadata"
-	"go.unistack.org/micro/v3/selector"
+	"go.unistack.org/micro/v4/client"
+	"go.unistack.org/micro/v4/codec"
+	"go.unistack.org/micro/v4/errors"
+	"go.unistack.org/micro/v4/logger"
+	"go.unistack.org/micro/v4/metadata"
+	"go.unistack.org/micro/v4/selector"
 
-	"go.unistack.org/micro-client-http/v3/status"
+	"go.unistack.org/micro-client-http/v4/status"
 )
 
 func (c *Client) fnCall(ctx context.Context, req client.Request, rsp any, opts ...client.CallOption) error {

client_unary_call_test.go

@@ -9,15 +9,15 @@ import (
 	"time"
 
 	"github.com/stretchr/testify/require"
-	jsoncodec "go.unistack.org/micro-codec-json/v3"
-	"go.unistack.org/micro/v3/client"
-	microerr "go.unistack.org/micro/v3/errors"
-	"go.unistack.org/micro/v3/metadata"
+	jsoncodec "go.unistack.org/micro-codec-json/v4"
+	"go.unistack.org/micro/v4/client"
+	microerr "go.unistack.org/micro/v4/errors"
+	"go.unistack.org/micro/v4/metadata"
 	"google.golang.org/protobuf/proto"
 
-	httpcli "go.unistack.org/micro-client-http/v3"
-	pb "go.unistack.org/micro-client-http/v3/builder/proto"
-	"go.unistack.org/micro-client-http/v3/status"
+	httpcli "go.unistack.org/micro-client-http/v4"
+	pb "go.unistack.org/micro-client-http/v4/builder/proto"
+	"go.unistack.org/micro-client-http/v4/status"
 )
 
 func TestClient_Call_Get(t *testing.T) {
@@ -130,10 +130,9 @@ func TestClient_Call_Get(t *testing.T) {
 			)
 
 			var (
-				md, _ = metadata.Pairs("Authorization", "Bearer token", "My-Header", "My-Header-Value")
 				ctx = metadata.NewOutgoingContext(
 					context.Background(),
-					md,
+					metadata.Pairs("Authorization", "Bearer token", "My-Header", "My-Header-Value"),
 				)
 				rsp          = &response{}
 				respMetadata = metadata.Metadata{}
@@ -163,8 +162,8 @@ func TestClient_Call_Get(t *testing.T) {
 			} else {
 				require.NoError(t, err)
 				require.True(t, proto.Equal(tt.wantRsp, rsp))
-				require.Equal(t, "application/json", respMetadata.MustGet("Content-Type"))
-				require.Equal(t, "My-Header-Value", respMetadata.MustGet("My-Header"))
+				require.Equal(t, "application/json", respMetadata.GetJoined("Content-Type"))
+				require.Equal(t, "My-Header-Value", respMetadata.GetJoined("My-Header"))
 			}
 		})
 	}
@@ -279,10 +278,9 @@ func TestClient_Call_Head(t *testing.T) {
 			)
 
 			var (
-				md, _ = metadata.Pairs("Authorization", "Bearer token", "My-Header", "My-Header-Value")
 				ctx = metadata.NewOutgoingContext(
 					context.Background(),
-					md,
+					metadata.Pairs("Authorization", "Bearer token", "My-Header", "My-Header-Value"),
 				)
 				rsp          = &response{}
 				respMetadata = metadata.Metadata{}
@@ -312,8 +310,8 @@ func TestClient_Call_Head(t *testing.T) {
 			} else {
 				require.NoError(t, err)
 				require.True(t, proto.Equal(tt.wantRsp, rsp))
-				require.Equal(t, "application/json", respMetadata.MustGet("Content-Type"))
-				require.Equal(t, "My-Header-Value", respMetadata.MustGet("My-Header"))
+				require.Equal(t, "application/json", respMetadata.GetJoined("Content-Type"))
+				require.Equal(t, "My-Header-Value", respMetadata.GetJoined("My-Header"))
 			}
 		})
 	}
@@ -464,10 +462,9 @@ func TestClient_Call_Post(t *testing.T) {
 			)
 
 			var (
-				md, _ = metadata.Pairs("Authorization", "Bearer token", "My-Header", "My-Header-Value")
 				ctx = metadata.NewOutgoingContext(
 					context.Background(),
-					md,
+					metadata.Pairs("Authorization", "Bearer token", "My-Header", "My-Header-Value"),
 				)
 				rsp          = &response{}
 				respMetadata = metadata.Metadata{}
@@ -497,8 +494,8 @@ func TestClient_Call_Post(t *testing.T) {
 			} else {
 				require.NoError(t, err)
 				require.True(t, proto.Equal(tt.wantRsp, rsp))
-				require.Equal(t, "application/json", respMetadata.MustGet("Content-Type"))
-				require.Equal(t, "My-Header-Value", respMetadata.MustGet("My-Header"))
+				require.Equal(t, "application/json", respMetadata.GetJoined("Content-Type"))
+				require.Equal(t, "My-Header-Value", respMetadata.GetJoined("My-Header"))
 			}
 		})
 	}
@@ -614,10 +611,9 @@ func TestClient_Call_Delete(t *testing.T) {
 			)
 
 			var (
-				md, _ = metadata.Pairs("Authorization", "Bearer token", "My-Header", "My-Header-Value")
 				ctx = metadata.NewOutgoingContext(
 					context.Background(),
-					md,
+					metadata.Pairs("Authorization", "Bearer token", "My-Header", "My-Header-Value"),
 				)
 				rsp          = &response{}
 				respMetadata = metadata.Metadata{}
@@ -647,8 +643,8 @@ func TestClient_Call_Delete(t *testing.T) {
 			} else {
 				require.NoError(t, err)
 				require.True(t, proto.Equal(tt.wantRsp, rsp))
-				require.Equal(t, "application/json", respMetadata.MustGet("Content-Type"))
-				require.Equal(t, "My-Header-Value", respMetadata.MustGet("My-Header"))
+				require.Equal(t, "application/json", respMetadata.GetJoined("Content-Type"))
+				require.Equal(t, "My-Header-Value", respMetadata.GetJoined("My-Header"))
 			}
 		})
 	}
@@ -771,10 +767,9 @@ func TestClient_Call_APIError_WithErrorsMap(t *testing.T) {
 			)
 
 			var (
-				md, _ = metadata.Pairs("Authorization", "Bearer token", "My-Header", "My-Header-Value")
 				ctx = metadata.NewOutgoingContext(
 					context.Background(),
-					md,
+					metadata.Pairs("Authorization", "Bearer token", "My-Header", "My-Header-Value"),
 				)
 				req = &request{UserId: "123", OrderId: 456}
 				rsp = &response{}
@@ -808,8 +803,8 @@ func TestClient_Call_APIError_WithErrorsMap(t *testing.T) {
 			require.Equal(t, tt.expectedStatus, s)
 			require.Empty(t, rsp)
 
-			require.Equal(t, "application/json", respMetadata.MustGet("Content-Type"))
-			require.Equal(t, "My-Header-Value", respMetadata.MustGet("My-Header"))
+			require.Equal(t, "application/json", respMetadata.GetJoined("Content-Type"))
+			require.Equal(t, "My-Header-Value", respMetadata.GetJoined("My-Header"))
 		})
 	}
 }
@@ -863,10 +858,9 @@ func TestClient_Call_APIError_WithoutErrorsMap(t *testing.T) {
 	)
 
 	var (
-		md, _ = metadata.Pairs("Authorization", "Bearer token", "My-Header", "My-Header-Value")
 		ctx = metadata.NewOutgoingContext(
 			context.Background(),
-			md,
+			metadata.Pairs("Authorization", "Bearer token", "My-Header", "My-Header-Value"),
 		)
 		req = &request{UserId: "123", OrderId: 456}
 		rsp = &response{}
@@ -896,8 +890,8 @@ func TestClient_Call_APIError_WithoutErrorsMap(t *testing.T) {
 	require.Equal(t, expectedStatus, s)
 	require.Empty(t, rsp)
 
-	require.Equal(t, "application/json", respMetadata.MustGet("Content-Type"))
-	require.Equal(t, "My-Header-Value", respMetadata.MustGet("My-Header"))
+	require.Equal(t, "application/json", respMetadata.GetJoined("Content-Type"))
+	require.Equal(t, "My-Header-Value", respMetadata.GetJoined("My-Header"))
 }
 
 func TestClient_Call_HeadersAndCookies(t *testing.T) {
@@ -954,8 +948,7 @@ func TestClient_Call_HeadersAndCookies(t *testing.T) {
 				}))
 			},
 			prepareMetadata: func() metadata.Metadata {
-				md, _ := metadata.Pairs("Authorization", "Bearer token", "My-Header", "My-Header-Value")
-				return md
+				return metadata.Pairs("Authorization", "Bearer token", "My-Header", "My-Header-Value")
 			},
 			headerOption: httpcli.Header("Authorization", "true", "My-Header", "true"),
 			expectedRsp:  &response{Id: "product-id", Name: "product-name"},
@@ -999,8 +992,7 @@ func TestClient_Call_HeadersAndCookies(t *testing.T) {
 				}))
 			},
 			prepareMetadata: func() metadata.Metadata {
-				md, _ := metadata.Pairs("Authorization", "Bearer token")
-				return md
+				return metadata.Pairs("Authorization", "Bearer token")
 			},
 			headerOption: httpcli.Header("Authorization", "true", "My-Header", "true"),
 			wantErr:      true,
@@ -1043,8 +1035,7 @@ func TestClient_Call_HeadersAndCookies(t *testing.T) {
 				}))
 			},
 			prepareMetadata: func() metadata.Metadata {
-				md, _ := metadata.Pairs("Cookie", "session_id=abc123; theme=dark")
-				return md
+				return metadata.Pairs("Cookie", "session_id=abc123; theme=dark")
 			},
 			cookieOption: httpcli.Cookie("session_id", "true", "theme", "true"),
 			expectedRsp:  &response{Id: "product-id", Name: "product-name"},
@@ -1087,8 +1078,7 @@ func TestClient_Call_HeadersAndCookies(t *testing.T) {
 				}))
 			},
 			prepareMetadata: func() metadata.Metadata {
-				md, _ := metadata.Pairs("Cookie", "session_id=abc123")
-				return md
+				return metadata.Pairs("Cookie", "session_id=abc123")
 			},
 			cookieOption: httpcli.Cookie("session_id", "true", "theme", "true"),
 			wantErr:      true,
@@ -1133,12 +1123,11 @@ func TestClient_Call_HeadersAndCookies(t *testing.T) {
 				}))
 			},
 			prepareMetadata: func() metadata.Metadata {
-				md, _ := metadata.Pairs(
+				return metadata.Pairs(
 					"Authorization", "Bearer token",
 					"My-Header", "My-Header-Value",
 					"Cookie", "session_id=abc123; theme=dark",
 				)
-				return md
 			},
 			headerOption: httpcli.Header("Authorization", "true", "My-Header", "true"),
 			cookieOption: httpcli.Cookie("session_id", "true", "theme", "true"),
@@ -1190,8 +1179,8 @@ func TestClient_Call_HeadersAndCookies(t *testing.T) {
 			} else {
 				require.NoError(t, err)
 				require.True(t, proto.Equal(tt.expectedRsp, rsp))
-				require.Equal(t, "application/json", respMetadata.MustGet("Content-Type"))
-				require.Equal(t, "My-Header-Value", respMetadata.MustGet("My-Header"))
+				require.Equal(t, "application/json", respMetadata.GetJoined("Content-Type"))
+				require.Equal(t, "My-Header-Value", respMetadata.GetJoined("My-Header"))
 			}
 		})
 	}
@@ -1239,10 +1228,9 @@ func TestClient_Call_NoContent(t *testing.T) {
 	)
 
 	var (
-		md, _ = metadata.Pairs("Authorization", "Bearer token", "My-Header", "My-Header-Value")
 		ctx = metadata.NewOutgoingContext(
 			context.Background(),
-			md,
+			metadata.Pairs("Authorization", "Bearer token", "My-Header", "My-Header-Value"),
 		)
 		req = &request{UserId: "123", OrderId: 456}
 		rsp = &response{}
@@ -1267,8 +1255,8 @@ func TestClient_Call_NoContent(t *testing.T) {
 	require.NoError(t, err)
 	require.Empty(t, rsp)
 
-	require.Equal(t, "application/json", respMetadata.MustGet("Content-Type"))
-	require.Equal(t, "My-Header-Value", respMetadata.MustGet("My-Header"))
+	require.Equal(t, "application/json", respMetadata.GetJoined("Content-Type"))
+	require.Equal(t, "My-Header-Value", respMetadata.GetJoined("My-Header"))
 }
 
 func TestClient_Call_RequestTimeoutError(t *testing.T) {

go.mod

@@ -1,26 +1,25 @@
-module go.unistack.org/micro-client-http/v3
+module go.unistack.org/micro-client-http/v4
 
-go 1.24.0
+go 1.23.0
 
-toolchain go1.24.3
+toolchain go1.24.2
 
 require (
 	github.com/stretchr/testify v1.11.1
-	go.unistack.org/micro-codec-json/v3 v3.10.3
-	go.unistack.org/micro/v3 v3.11.45
-	google.golang.org/protobuf v1.36.10
+	go.unistack.org/micro-codec-json/v4 v4.1.0
+	go.unistack.org/micro/v4 v4.1.19
+	google.golang.org/protobuf v1.36.9
 )
 
 require (
-	github.com/ash3in/uuidv8 v1.2.0 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/google/uuid v1.6.0 // indirect
-	github.com/kr/pretty v0.3.1 // indirect
 	github.com/matoous/go-nanoid v1.5.1 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
-	go.unistack.org/micro-proto/v3 v3.4.1 // indirect
-	golang.org/x/sys v0.36.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20250929231259-57b25ae835d4 // indirect
-	google.golang.org/grpc v1.75.1 // indirect
+	github.com/spf13/cast v1.9.2 // indirect
+	go.unistack.org/micro-proto/v4 v4.1.0 // indirect
+	golang.org/x/sys v0.35.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20250818200422-3122310a409c // indirect
+	google.golang.org/grpc v1.75.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -1,10 +1,7 @@
-github.com/DATA-DOG/go-sqlmock v1.5.2 h1:OcvFkGmslmlZibjAjaHm3L//6LiuBgolP7OputlJIzU=
-github.com/DATA-DOG/go-sqlmock v1.5.2/go.mod h1:88MAG/4G7SMwSE3CeA0ZKzrT5CiOU3OJ+JlNzwDqpNU=
-github.com/ash3in/uuidv8 v1.2.0 h1:2oogGdtCPwaVtyvPPGin4TfZLtOGE5F+W++E880G6SI=
-github.com/ash3in/uuidv8 v1.2.0/go.mod h1:BnU0wJBxnzdEKmVg4xckBkD+VZuecTFTUP3M0dWgyY4=
-github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
 github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
+github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
 github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
 github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
 github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
@@ -17,32 +14,32 @@ github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/matoous/go-nanoid v1.5.1 h1:aCjdvTyO9LLnTIi0fgdXhOPPvOHjpXN6Ik9DaNjIct4=
 github.com/matoous/go-nanoid v1.5.1/go.mod h1:zyD2a71IubI24efhpvkJz+ZwfwagzgSO6UNiFsZKN7U=
-github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U=
 github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs=
 github.com/rogpeppe/go-internal v1.13.1 h1:KvO1DLK/DRN07sQ1LQKScxyZJuNnedQ5/wKSR38lUII=
 github.com/rogpeppe/go-internal v1.13.1/go.mod h1:uMEvuHeurkdAXX61udpOXGD/AzZDWNMNyH2VO9fmH0o=
+github.com/spf13/cast v1.9.2 h1:SsGfm7M8QOFtEzumm7UZrZdLLquNdzFYfIbEXntcFbE=
+github.com/spf13/cast v1.9.2/go.mod h1:jNfB8QC9IA6ZuY2ZjDp0KtFO2LZZlg4S/7bzP6qqeHo=
 github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
 github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
-go.unistack.org/micro-codec-json/v3 v3.10.3 h1:FwSBfJswov30Dyqxp1XfQW1EG4h77uTEe/VGflg6XlY=
-go.unistack.org/micro-codec-json/v3 v3.10.3/go.mod h1:26OK5MizMNKhspGC6PRVwpDIp5w1GmRb0nE5eRWWDxA=
-go.unistack.org/micro-proto/v3 v3.4.1 h1:UTjLSRz2YZuaHk9iSlVqqsA50JQNAEK2ZFboGqtEa9Q=
-go.unistack.org/micro-proto/v3 v3.4.1/go.mod h1:okx/cnOhzuCX0ggl/vToatbCupi0O44diiiLLsZ93Zo=
-go.unistack.org/micro/v3 v3.11.45 h1:fjTLZYWgsVf9FIMZBxOg8ios2/tmyimnjZrsrxEUeXU=
-go.unistack.org/micro/v3 v3.11.45/go.mod h1:fDQ8Mu9wubaFP0L8hNQlpzHiEnWN0wbOlawN9HYo0N4=
+go.unistack.org/micro-codec-json/v4 v4.1.0 h1:iydeSkt3ee7IPU0dHHKlGN97lw+YFQasBk9rdv0woYA=
+go.unistack.org/micro-codec-json/v4 v4.1.0/go.mod h1:aUg86elSlURSynTAetDAAXj/VzFDwwcg92QNrRzcvrM=
+go.unistack.org/micro-proto/v4 v4.1.0 h1:qPwL2n/oqh9RE3RTTDgt28XK3QzV597VugQPaw9lKUk=
+go.unistack.org/micro-proto/v4 v4.1.0/go.mod h1:ArmK7o+uFvxSY3dbJhKBBX4Pm1rhWdLEFf3LxBrMtec=
+go.unistack.org/micro/v4 v4.1.19 h1:LKpmSPYvX5B9AkFD7JqMU/U06v5yEWn2bsCG/YKZtZI=
+go.unistack.org/micro/v4 v4.1.19/go.mod h1:xleO2M5Yxh4s6I+RUcLrEpUjobefh+71ctrdIfn7TUs=
 golang.org/x/net v0.41.0 h1:vBTly1HeNPEn3wtREYfy4GZ/NECgw2Cnl+nK6Nz3uvw=
 golang.org/x/net v0.41.0/go.mod h1:B/K4NNqkfmg07DQYrbwvSluqCJOOXwUjeb/5lOisjbA=
-golang.org/x/sys v0.36.0 h1:KVRy2GtZBrk1cBYA7MKu5bEZFxQk4NIDV6RLVcC8o0k=
-golang.org/x/sys v0.36.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/sys v0.35.0 h1:vz1N37gP5bs89s7He8XuIYXpyY0+QlsKmzipCbUtyxI=
+golang.org/x/sys v0.35.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
 golang.org/x/text v0.26.0 h1:P42AVeLghgTYr4+xUnTRKDMqpar+PtX7KWuNQL21L8M=
 golang.org/x/text v0.26.0/go.mod h1:QK15LZJUUQVJxhz7wXgxSy/CJaTFjd0G+YLonydOVQA=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20250929231259-57b25ae835d4 h1:i8QOKZfYg6AbGVZzUAY3LrNWCKF8O6zFisU9Wl9RER4=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20250929231259-57b25ae835d4/go.mod h1:HSkG/KdJWusxU1F6CNrwNDjBMgisKxGnc5dAZfT0mjQ=
-google.golang.org/grpc v1.75.1 h1:/ODCNEuf9VghjgO3rqLcfg8fiOP0nSluljWFlDxELLI=
-google.golang.org/grpc v1.75.1/go.mod h1:JtPAzKiq4v1xcAB2hydNlWI2RnF85XXcV0mhKXr2ecQ=
-google.golang.org/protobuf v1.36.10 h1:AYd7cD/uASjIL6Q9LiTjz8JLcrh/88q5UObnmY3aOOE=
-google.golang.org/protobuf v1.36.10/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20250818200422-3122310a409c h1:qXWI/sQtv5UKboZ/zUk7h+mrf/lXORyI+n9DKDAusdg=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20250818200422-3122310a409c/go.mod h1:gw1tLEfykwDz2ET4a12jcXt4couGAm7IwsVaTy0Sflo=
+google.golang.org/grpc v1.75.0 h1:+TW+dqTd2Biwe6KKfhE5JpiYIBWq865PhKGSXiivqt4=
+google.golang.org/grpc v1.75.0/go.mod h1:JtPAzKiq4v1xcAB2hydNlWI2RnF85XXcV0mhKXr2ecQ=
+google.golang.org/protobuf v1.36.9 h1:w2gp2mA27hUeUzj9Ex9FBjsBm40zfaDtEWow293U7Iw=
+google.golang.org/protobuf v1.36.9/go.mod h1:fuxRtAxBytpl4zzqUh6/eyUujkJdNiuEkXntxiD/uRU=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=

options.go

@@ -7,7 +7,7 @@ import (
 	"net/http"
 	"time"
 
-	"go.unistack.org/micro/v3/client"
+	"go.unistack.org/micro/v4/client"
 )
 
 // --------------------------------------------- HTTPClient option -----------------------------------------------------

request.go

@@ -1,8 +1,8 @@
 package http
 
 import (
-	"go.unistack.org/micro/v3/client"
-	"go.unistack.org/micro/v3/codec"
+	"go.unistack.org/micro/v4/client"
+	"go.unistack.org/micro/v4/codec"
 )
 
 type httpRequest struct {

status/status_test.go

@@ -8,7 +8,7 @@ import (
 
 	"github.com/stretchr/testify/require"
 
-	"go.unistack.org/micro-client-http/v3/status"
+	"go.unistack.org/micro-client-http/v4/status"
 )
 
 type fakeError struct{ s *status.Status }