Use require instead of assert for tests

This makes the test fail and stop execution immediately after an
incorrect assertion.

Signed-off-by: Vartan Benohanian <vartanbeno@gmail.com>

reddit-options_test.go

@@ -4,7 +4,7 @@ import (
 	"os"
 	"testing"
 
-	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
 func TestFromEnv(t *testing.T) {
@@ -21,7 +21,7 @@ func TestFromEnv(t *testing.T) {
 	defer os.Unsetenv("GO_REDDIT_CLIENT_PASSWORD")
 
 	c, err := NewClient(nil, FromEnv)
-	assert.NoError(t, err)
+	require.NoError(t, err)
 
 	type values struct {
 		id, secret, username, password string
@@ -29,29 +29,29 @@ func TestFromEnv(t *testing.T) {
 
 	expect := values{"id1", "secret1", "username1", "password1"}
 	actual := values{c.ID, c.Secret, c.Username, c.Password}
-	assert.Equal(t, expect, actual)
+	require.Equal(t, expect, actual)
 }
 
 func TestWithCredentials(t *testing.T) {
 	withCredentials := WithCredentials("id1", "secret1", "username1", "password1")
 	c, err := NewClient(nil, withCredentials)
-	assert.NoError(t, err)
-	assert.Equal(t, "id1", c.ID)
-	assert.Equal(t, "secret1", c.Secret)
-	assert.Equal(t, "username1", c.Username)
-	assert.Equal(t, "password1", c.Password)
+	require.NoError(t, err)
+	require.Equal(t, "id1", c.ID)
+	require.Equal(t, "secret1", c.Secret)
+	require.Equal(t, "username1", c.Username)
+	require.Equal(t, "password1", c.Password)
 }
 
 func TestWithBaseURL(t *testing.T) {
 	baseURL := "http://localhost:8080"
 	c, err := NewClient(nil, WithBaseURL(baseURL))
-	assert.NoError(t, err)
-	assert.Equal(t, baseURL, c.BaseURL.String())
+	require.NoError(t, err)
+	require.Equal(t, baseURL, c.BaseURL.String())
 }
 
 func TestWithTokenURL(t *testing.T) {
 	tokenURL := "http://localhost:8080/api/v1/access_token"
 	c, err := NewClient(nil, WithTokenURL(tokenURL))
-	assert.NoError(t, err)
-	assert.Equal(t, tokenURL, c.TokenURL.String())
+	require.NoError(t, err)
+	require.Equal(t, tokenURL, c.TokenURL.String())
 }