Initial commit

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

common/redis/redis_test.go

@@ -0,0 +1,97 @@
+package redis
+
+import (
+	"context"
+	"testing"
+	"time"
+)
+
+func TestRPushPipelineRejectsNonPositiveBatchSize(t *testing.T) {
+	client := &Client{}
+	if _, err := client.RPushPipeline("queue", []string{"video-1"}, 0); err == nil {
+		t.Fatal("RPushPipeline() should reject a non-positive batch size")
+	}
+}
+
+func TestRPushPipelineEmptyValuesDoesNotUseClient(t *testing.T) {
+	client := &Client{}
+	length, err := client.RPushPipeline("queue", nil, 1000)
+	if err != nil {
+		t.Fatalf("RPushPipeline() error = %v", err)
+	}
+	if length != 0 {
+		t.Fatalf("RPushPipeline() length = %d, want 0", length)
+	}
+}
+
+func TestRPushPipelineContextValidatesExpiration(t *testing.T) {
+	client := &Client{}
+	for _, expirations := range [][]time.Duration{
+		{0},
+		{-time.Second},
+		{time.Second, time.Minute},
+	} {
+		if _, err := client.RPushPipelineContext(
+			context.Background(),
+			"queue",
+			[]string{"video-1"},
+			1,
+			expirations...,
+		); err == nil {
+			t.Fatalf("expirations=%v should be rejected", expirations)
+		}
+	}
+}
+
+func TestScriptHashIsStable(t *testing.T) {
+	first := NewScript("return ARGV[1]")
+	second := NewScript("return ARGV[1]")
+	if first.Hash() == "" || first.Hash() != second.Hash() {
+		t.Fatalf("script hashes differ: first=%q second=%q", first.Hash(), second.Hash())
+	}
+}
+
+func TestRunScriptContextValidatesArguments(t *testing.T) {
+	client := &Client{}
+	if _, err := client.RunScriptContext(nil, NewScript("return 1"), nil); err == nil {
+		t.Fatal("RunScriptContext() should reject a nil context")
+	}
+	if _, err := client.RunScriptContext(context.Background(), nil, nil); err == nil {
+		t.Fatal("RunScriptContext() should reject a nil script")
+	}
+	if _, err := client.RunScriptContext(context.Background(), NewScript("return 1"), nil); err == nil {
+		t.Fatal("RunScriptContext() should reject an uninitialized client")
+	}
+}
+
+func TestContextRedisHelpersValidateContextAndClient(t *testing.T) {
+	var client *Client
+	if _, err := client.DelContext(context.Background(), "key"); err == nil {
+		t.Fatal("DelContext() should reject nil client")
+	}
+	if _, err := client.EvalContext(context.Background(), "return 1", nil); err == nil {
+		t.Fatal("EvalContext() should reject nil client")
+	}
+	if _, err := client.RPushPipelineContext(
+		context.Background(), "queue", []string{"video-1"}, 1,
+	); err == nil {
+		t.Fatal("RPushPipelineContext() should reject nil client")
+	}
+	if _, err := client.SetNXContext(context.Background(), "key", "value", 0); err == nil {
+		t.Fatal("SetNXContext() should reject nil client")
+	}
+
+	empty := &Client{}
+	if _, err := empty.DelContext(nil, "key"); err == nil {
+		t.Fatal("DelContext() should reject nil context")
+	}
+	if _, err := empty.EvalContext(nil, "return 1", nil); err == nil {
+		t.Fatal("EvalContext() should reject nil context")
+	}
+	if _, err := empty.RPushPipelineContext(nil, "queue", []string{"video-1"}, 1); err == nil {
+		t.Fatal("RPushPipelineContext() should reject nil context")
+	}
+	if _, err := empty.SetNXContext(nil, "key", "value", 0); err == nil {
+		t.Fatal("SetNXContext() should reject nil context")
+	}
+}