test(authentication): file provider (#5473)

Add additional tests to the file provider.

Signed-off-by: James Elliott <james-d-elliott@users.noreply.github.com>

1 files changed, 39 insertions, 0 deletions

diff --git a/internal/authentication/file_user_provider_database_test.go b/internal/authentication/file_user_provider_database_test.go
new file mode 100644
index 000000000..f8bb21d78
--- /dev/null
+++ b/internal/authentication/file_user_provider_database_test.go
@@ -0,0 +1,39 @@
+package authentication
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestDatabaseModel_Read(t *testing.T) {
+	model := &DatabaseModel{}
+
+	dir := t.TempDir()
+
+	_, err := os.Create(filepath.Join(dir, "users_database.yml"))
+
+	assert.NoError(t, err)
+
+	assert.EqualError(t, model.Read(filepath.Join(dir, "users_database.yml")), "no file content")
+
+	assert.NoError(t, os.Mkdir(filepath.Join(dir, "x"), 0000))
+
+	f := filepath.Join(dir, "x", "users_database.yml")
+
+	assert.EqualError(t, model.Read(f), fmt.Sprintf("failed to read the '%s' file: open %s: permission denied", f, f))
+
+	f = filepath.Join(dir, "schema.yml")
+
+	file, err := os.Create(f)
+	assert.NoError(t, err)
+
+	_, err = file.WriteString("users:\n\tjohn: {}")
+
+	assert.NoError(t, err)
+
+	assert.EqualError(t, model.Read(f), "could not parse the YAML database: yaml: line 2: found character that cannot start any token")
+}