Update dependencies and add more unit tests

Dockerfile

@@ -3,7 +3,9 @@ WORKDIR /app
 RUN apk add --no-cache git gcc musl-dev
 RUN apk add --no-cache --repository=http://dl-cdn.alpinelinux.org/alpine/edge/main sqlite-dev
 ADD *.go go.mod go.sum /app/
-RUN go build --tags "libsqlite3 linux sqlite_fts5"
+ENV GOFLAGS="-tags=linux,libsqlite3,sqlite_fts5"
+RUN go test -cover
+RUN go build
 
 FROM alpine:3.13
 WORKDIR /app

go.mod

@@ -37,7 +37,7 @@ require (
 	github.com/lopezator/migrator v0.3.0
 	github.com/magiconair/properties v1.8.5 // indirect
 	github.com/mattn/go-sqlite3 v1.14.7
-	github.com/microcosm-cc/bluemonday v1.0.9
+	github.com/microcosm-cc/bluemonday v1.0.10
 	github.com/miekg/dns v1.1.42 // indirect
 	github.com/mitchellh/go-server-timing v1.0.1
 	github.com/mitchellh/mapstructure v1.4.1 // indirect
@@ -63,7 +63,7 @@ require (
 	go.uber.org/zap v1.17.0 // indirect
 	golang.org/x/net v0.0.0-20210610132358-84b48f89b13b
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
-	golang.org/x/sys v0.0.0-20210608053332-aa57babbf139 // indirect
+	golang.org/x/sys v0.0.0-20210611083646-a4fc73990273 // indirect
 	golang.org/x/term v0.0.0-20201210144234-2321bbc49cbf // indirect
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 	gopkg.in/ini.v1 v1.62.0 // indirect

go.sum

@@ -234,8 +234,8 @@ github.com/mattn/go-sqlite3 v1.14.7/go.mod h1:NyWgC/yNuGj7Q9rpYnZvas74GogHl5/Z4A
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
 github.com/mholt/acmez v0.1.3 h1:J7MmNIk4Qf9b8mAGqAh4XkNeowv3f1zW816yf4zt7Qk=
 github.com/mholt/acmez v0.1.3/go.mod h1:8qnn8QA/Ewx8E3ZSsmscqsIjhhpxuy9vqdgbX2ceceM=
-github.com/microcosm-cc/bluemonday v1.0.9 h1:dpCwruVKoyrULicJwhuY76jB+nIxRVKv/e248Vx/BXg=
+github.com/microcosm-cc/bluemonday v1.0.10 h1:hsW4ch5StWWscflW8orGkX3TP2AVelTmwYO26qwGjqg=
-github.com/microcosm-cc/bluemonday v1.0.9/go.mod h1:B2riunDr9benLHghZB7hjIgdwSUzzs0pjCxFrWYEZFU=
+github.com/microcosm-cc/bluemonday v1.0.10/go.mod h1:beubO5lmWoy1tU8niaMyXNriNgROO37H3U/tsrcZsy0=
 github.com/miekg/dns v1.0.14/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
 github.com/miekg/dns v1.1.30/go.mod h1:KNUDUusw/aVsxyTYZM1oqvCicbwhgbNgztCETuNZ7xM=
 github.com/miekg/dns v1.1.42 h1:gWGe42RGaIqXQZ+r3WUGEKBEtvPHY2SXo4dqixDNxuY=
@@ -415,7 +415,6 @@ golang.org/x/net v0.0.0-20200202094626-16171245cfb2/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20200707034311-ab3426394381/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
 golang.org/x/net v0.0.0-20210119194325-5f4716e94777/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
-golang.org/x/net v0.0.0-20210421230115-4e50805a0758/go.mod h1:72T/g9IO56b78aLF+1Kcs5dz7/ng1VjMUvfKvpfy+jM=
 golang.org/x/net v0.0.0-20210525063256-abc453219eb5/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20210610132358-84b48f89b13b h1:k+E048sYJHyVnsr1GDrRZWQ32D2C7lWs9JRc0bel53A=
 golang.org/x/net v0.0.0-20210610132358-84b48f89b13b/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
@@ -450,11 +449,10 @@ golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210303074136-134d130e1a04/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210420072515-93ed5bcd2bfe/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20210608053332-aa57babbf139 h1:C+AwYEtBp/VQwoLntUmQ/yx3MS9vmZaKNdw5eOpoQe8=
+golang.org/x/sys v0.0.0-20210611083646-a4fc73990273 h1:faDu4veV+8pcThn4fewv6TVlNCezafGoC1gM/mxQLbQ=
-golang.org/x/sys v0.0.0-20210608053332-aa57babbf139/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20210611083646-a4fc73990273/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20201210144234-2321bbc49cbf h1:MZ2shdL+ZM/XzY3ZGOnh4Nlpnxz5GSOhOmtHo3iPU6M=
 golang.org/x/term v0.0.0-20201210144234-2321bbc49cbf/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=

robotstxt_test.go

@@ -0,0 +1,45 @@
+package main
+
+import (
+	"io"
+	"net/http"
+	"net/http/httptest"
+	"reflect"
+	"testing"
+)
+
+func Test_robotsTXT(t *testing.T) {
+	testRecorder := httptest.NewRecorder()
+	testRequest := httptest.NewRequest(http.MethodGet, "/robots.txt", nil)
+
+	servePrivateRobotsTXT(testRecorder, testRequest)
+
+	testResult := testRecorder.Result()
+	if sc := testResult.StatusCode; sc != 200 {
+		t.Errorf("Wrong status code, got: %v", sc)
+	}
+	if rb, _ := io.ReadAll(testResult.Body); !reflect.DeepEqual(rb, []byte("User-agent: *\nDisallow: /")) {
+		t.Errorf("Wrong response body, got: %v", rb)
+	}
+
+	app := &goBlog{
+		cfg: &config{
+			Server: &configServer{
+				PublicAddress: "https://example.com",
+			},
+		},
+	}
+
+	testRecorder = httptest.NewRecorder()
+	testRequest = httptest.NewRequest(http.MethodGet, "/robots.txt", nil)
+
+	app.serveRobotsTXT(testRecorder, testRequest)
+
+	testResult = testRecorder.Result()
+	if sc := testResult.StatusCode; sc != 200 {
+		t.Errorf("Wrong status code, got: %v", sc)
+	}
+	if rb, _ := io.ReadAll(testResult.Body); !reflect.DeepEqual(rb, []byte("User-agent: *\nSitemap: https://example.com/sitemap.xml")) {
+		t.Errorf("Wrong response body, got: %v", string(rb))
+	}
+}