Add test cases

Gopkg.toml

@@ -36,3 +36,7 @@
 
 [[constraint]]
   name = "github.com/satyrius/gonx"
+
+[[constraint]]
+  name = "github.com/stretchr/testify"
+  version = "1.2.0"

config/loader_flags_test.go

@@ -17,6 +17,8 @@ func configFromFlags(t *testing.T, flags StartupFlags) Config {
 }
 
 func TestConfigContainsPortFromFlags(t *testing.T) {
+	t.Parallel()
+
 	cfg := configFromFlags(t, StartupFlags{
 		ListenPort: 1234,
 	})
@@ -27,6 +29,8 @@ func TestConfigContainsPortFromFlags(t *testing.T) {
 }
 
 func TestConfigContainsFilenamesFromFlags(t *testing.T) {
+	t.Parallel()
+
 	sf := []string{"/foo.log", "/bar.log"}
 	cfg := configFromFlags(t, StartupFlags{
 		ListenPort: 1234,

config/loader_test.go

@@ -0,0 +1,94 @@
+package config
+
+import (
+	"testing"
+	"bytes"
+	"github.com/stretchr/testify/assert"
+)
+
+const HCL_INPUT = `
+listen {
+  address = "10.0.0.1"
+  port = 4040
+}
+
+consul {
+  enable = true
+  address = "localhost:8500"
+  datacenter = "dc1"
+  scheme = "https"
+  token = "asdfasfdasf"
+
+  service {
+    id = "nginx-exporter"
+    name = "nginx-exporter"
+    tags = ["foo", "bar"]
+  }
+}
+
+namespace "nginx" {
+  source_files = [
+    "test.log",
+    "foo.log"
+  ]
+  format = "$remote_addr - $remote_user [$time_local] \"$request\" $status $body_bytes_sent \"$http_referer\" \"$http_user_agent\" \"$http_x_forwarded_for\""
+
+  labels {
+    app = "magicapp"
+    foo = "bar"
+  }
+
+  relabel "user" {
+    from = "remote_user"
+    whitelist = ["-", "user1", "user2"]
+  }
+
+  relabel "request_uri" {
+    from = "request"
+    split = 2
+
+    match "^/users/[0-9]+" {
+      replacement = "/users/:id"
+    }
+    match "^/profile" {
+      replacement = "/profile"
+    }
+  }
+}
+`
+
+func TestLoadsHCLConfigFile(t *testing.T) {
+	t.Parallel()
+
+	buf := bytes.NewBufferString(HCL_INPUT)
+	cfg := Config{}
+
+	err := LoadConfigFromStream(&cfg, buf, TYPE_HCL)
+	assert.Nil(t, err, "unexpected error: %v", err)
+
+	assert.Equal(t, "10.0.0.1", cfg.Listen.Address)
+	assert.Equal(t, 4040, cfg.Listen.Port)
+
+	assert.True(t, cfg.Consul.Enable)
+	assert.Equal(t, "localhost:8500", cfg.Consul.Address)
+	assert.Equal(t, "nginx-exporter", cfg.Consul.Service.ID)
+	assert.Equal(t, "nginx-exporter", cfg.Consul.Service.Name)
+	assert.Equal(t, "dc1", cfg.Consul.Datacenter)
+	assert.Equal(t, "https", cfg.Consul.Scheme)
+	assert.Equal(t, "asdfasfdasf", cfg.Consul.Token)
+
+	assert.Len(t, cfg.Namespaces, 1)
+
+	n := cfg.Namespaces[0]
+	assert.Equal(t, "nginx", n.Name)
+	assert.Equal(t, "$remote_addr - $remote_user [$time_local] \"$request\" $status $body_bytes_sent \"$http_referer\" \"$http_user_agent\" \"$http_x_forwarded_for\"", n.Format)
+	assert.Equal(t, []string{"test.log", "foo.log"}, n.SourceFiles)
+	assert.Equal(t, "magicapp", n.Labels["app"])
+
+	assert.Len(t, n.RelabelConfigs, 2)
+	assert.Equal(t, "user", n.RelabelConfigs[0].TargetLabel)
+	assert.Equal(t, "request_uri", n.RelabelConfigs[1].TargetLabel)
+
+	assert.Len(t, n.RelabelConfigs[1].Matches, 2)
+	assert.Equal(t, "^/users/[0-9]+", n.RelabelConfigs[1].Matches[0].RegexpString)
+}

example-config.hcl

@@ -5,12 +5,12 @@ listen {
 consul {
   enable = true
   address = "localhost:8500"
+  datacenter = "dc1"
+  scheme = "http"
+  token = ""
   service {
     id = "nginx-exporter"
     name = "nginx-exporter"
-    datacenter = "dc1"
-    scheme = "http"
-    token = ""
     tags = ["foo", "bar"]
   }
 }