add some more test coverage for cache config

config/config_test.go

@@ -130,7 +130,46 @@ func TestLoad(t *testing.T) {
 				cfg := Default()
 				cfg.Cache.Enabled = true
 				cfg.Cache.Backend = CacheMemory
-				cfg.Warnings = append(cfg.Warnings, deprecatedMsgMemoryEnabled)
+				cfg.Cache.TTL = -1
+				cfg.Warnings = append(cfg.Warnings, deprecatedMsgMemoryEnabled, deprecatedMsgMemoryExpiration)
+				return cfg
+			},
+		},
+		{
+			name: "cache - no backend set",
+			path: "./testdata/cache/default.yml",
+			expected: func() *Config {
+				cfg := Default()
+				cfg.Cache.Enabled = true
+				cfg.Cache.Backend = CacheMemory
+				cfg.Cache.TTL = 30 * time.Minute
+				return cfg
+			},
+		},
+		{
+			name: "cache - memory",
+			path: "./testdata/cache/memory.yml",
+			expected: func() *Config {
+				cfg := Default()
+				cfg.Cache.Enabled = true
+				cfg.Cache.Backend = CacheMemory
+				cfg.Cache.TTL = 5 * time.Minute
+				cfg.Cache.Memory.EvictionInterval = 10 * time.Minute
+				return cfg
+			},
+		},
+		{
+			name: "cache - redis",
+			path: "./testdata/cache/redis.yml",
+			expected: func() *Config {
+				cfg := Default()
+				cfg.Cache.Enabled = true
+				cfg.Cache.Backend = CacheRedis
+				cfg.Cache.TTL = time.Minute
+				cfg.Cache.Redis.Host = "localhost"
+				cfg.Cache.Redis.Port = 6378
+				cfg.Cache.Redis.DB = 1
+				cfg.Cache.Redis.Password = "s3cr3t!"
 				return cfg
 			},
 		},

config/default.yml

@@ -14,7 +14,7 @@
 #   backend: memory
 #   ttl: 60s
 #   redis:
-#     host: "localhost"
+#     host: localhost
 #     port: 6379
 #   memory:
 #     eviction_interval: 5m # Evict Expired Items Every 5m

config/local.yml

@@ -10,10 +10,10 @@ log:
 
 # cache:
 #   enabled: false
-#   backend: "memory"
+#   backend: memory
 #   ttl: 60s
 #   redis:
-#     host: "localhost"
+#     host: localhost
 #     port: 6379
 #   memory:
 #     eviction_interval: 5m # evict expired items every 5m

config/testdata/cache/default.yml

@@ -0,0 +1,3 @@
+cache:
+  enabled: true
+  ttl: 30m

config/testdata/cache/memory.yml

@@ -0,0 +1,6 @@
+cache:
+  enabled: true
+  backend: memory
+  ttl: 5m
+  memory:
+    eviction_interval: 10m

config/testdata/cache/redis.yml

@@ -0,0 +1,9 @@
+cache:
+  enabled: true
+  backend: redis
+  ttl: 60s
+  redis:
+    host: localhost
+    port: 6378
+    db: 1
+    password: "s3cr3t!"

config/testdata/deprecated/cache_memory_enabled.yml

@@ -1,3 +1,4 @@
 cache:
   memory:
     enabled: true
+    expiration: -1