BF.CARD support (#49)

Author: chayim

.circleci/config.yml

@@ -10,13 +10,13 @@ on:
       - master
       - main
       - '[0-9].[0-9]'
-    pull_request:
-      branches:
-        - master
-        - main
-        - '[0-9].[0-9]'
-    schedule:
-      - cron: '0 1 * * *'
+  pull_request:
+    branches:
+      - master
+      - main
+      - '[0-9].[0-9]'
+  schedule:
+    - cron: '0 1 * * *'
 
 jobs:
 
@@ -27,20 +27,16 @@ jobs:
       - uses: actions/checkout@v3
       - run: |
           make checkfmt
-          make lint
 
   integration:
-    services:
-      image: redislabs/rebloom:edge
-      port:
-        - 6379:6379
     name: Build and test
     runs-on: ubuntu-latest
     steps:
       - uses: actions/setup-go@v3
         with:
           go-version: 1.18.x
       - uses: actions/checkout@v3
+      - run: docker run -p 6379:6379 -d redis/redis-stack-server:edge
       - run: |
           make get
           make coverage

.github/workflows/integration.yml

@@ -20,10 +20,6 @@ checkfmt:
 	fi && \
 	exit $$EXIT_CODE
 
-lint:
-	$(GOGET) github.com/golangci/golangci-lint/cmd/golangci-lint
-	golangci-lint run
-
 fmt:
 	$(GOFMT) ./...
 
@@ -36,4 +32,3 @@ test: get
 
 coverage: get test
 	$(GOTEST) -race -coverprofile=coverage.txt -covermode=atomic .
-

Makefile

@@ -1,5 +1,4 @@
 [![license](https://img.shields.io/github/license/RedisBloom/redisbloom-go.svg)](https://github.com/RedisBloom/redisbloom-go)
-[![CircleCI](https://circleci.com/gh/RedisBloom/redisbloom-go.svg?style=svg)](https://circleci.com/gh/RedisBloom/redisbloom-go)
 [![GitHub issues](https://img.shields.io/github/release/RedisBloom/redisbloom-go.svg)](https://github.com/RedisBloom/redisbloom-go/releases/latest)
 [![Codecov](https://codecov.io/gh/RedisBloom/redisbloom-go/branch/master/graph/badge.svg)](https://codecov.io/gh/RedisBloom/redisbloom-go)
 [![GoDoc](https://godoc.org/github.com/RedisBloom/redisbloom-go?status.svg)](https://pkg.go.dev/github.com/RedisBloom/redisbloom-go)

README.md

@@ -169,6 +169,14 @@ func (client *Client) BfAddMulti(key string, items []string) ([]int64, error) {
 	return redis.Int64s(result, err)
 }
 
+func (client *Client) BfCard(key string) (int64, error) {
+	conn := client.Pool.Get()
+	defer conn.Close()
+	args := redis.Args{key}
+	result, err := conn.Do("BF.CARD", args...)
+	return redis.Int64(result, err)
+}
+
 // BfExistsMulti - Determines if one or more items may exist in the filter or not.
 // args:
 // key - the name of the filter

client.go

@@ -116,6 +116,20 @@ func TestClient_BfAddMulti(t *testing.T) {
 	assert.NotNil(t, ret)
 }
 
+func TestClient_BfCard(t *testing.T) {
+	keyname := "bfcardkey"
+	client.FlushAll()
+	res, err := client.BfCard(keyname)
+	assert.Nil(t, err)
+	assert.Equal(t, res, int64(0))
+
+	client.FlushAll()
+	client.BfAddMulti(keyname, []string{"a", "b", "c"})
+	res, err = client.BfCard(keyname)
+	assert.Nil(t, err)
+	assert.Equal(t, res, int64(3))
+}
+
 func TestClient_BfExistsMulti(t *testing.T) {
 	client.FlushAll()
 	key := "test_exists_multi"