1 files changed, 77 insertions, 0 deletions
diff --git a/pkg/config/config_test.go b/pkg/config/config_test.go
new file mode 100644
index 0000000..2418094
--- /dev/null
+++ b/pkg/config/config_test.go
@@ -0,0 +1,77 @@
+package config
+
+import (
+	"github.com/creasty/defaults"
+	"github.com/icinga/icingadb/pkg/logging"
+	"github.com/stretchr/testify/require"
+	"os"
+	"testing"
+)
+
+func TestFromYAMLFile(t *testing.T) {
+	const miniConf = `
+database:
+  host: 192.0.2.1
+  database: icingadb
+  user: icingadb
+  password: icingadb
+
+redis:
+  host: 2001:db8::1
+`
+
+	miniOutput := &Config{}
+	_ = defaults.Set(miniOutput)
+
+	miniOutput.Database.Host = "192.0.2.1"
+	miniOutput.Database.Database = "icingadb"
+	miniOutput.Database.User = "icingadb"
+	miniOutput.Database.Password = "icingadb"
+
+	miniOutput.Redis.Host = "2001:db8::1"
+	miniOutput.Logging.Output = logging.CONSOLE
+
+	subtests := []struct {
+		name   string
+		input  string
+		output *Config
+		warn   bool
+	}{
+		{
+			name:   "mini",
+			input:  miniConf,
+			output: miniOutput,
+			warn:   false,
+		},
+		{
+			name:   "mini-with-unknown",
+			input:  miniConf + "\nunknown: 42",
+			output: miniOutput,
+			warn:   true,
+		},
+	}
+
+	for _, st := range subtests {
+		t.Run(st.name, func(t *testing.T) {
+			tempFile, err := os.CreateTemp("", "")
+			require.NoError(t, err)
+			defer func() { _ = os.Remove(tempFile.Name()) }()
+
+			require.NoError(t, os.WriteFile(tempFile.Name(), []byte(st.input), 0o600))
+
+			actual, err := FromYAMLFile(tempFile.Name())
+			require.NoError(t, err)
+
+			if st.warn {
+				require.Error(t, actual.DecodeWarning, "reading config should produce a warning")
+
+				// Reset the warning so that the following require.Equal() doesn't try to compare it.
+				actual.DecodeWarning = nil
+			} else {
+				require.NoError(t, actual.DecodeWarning, "reading config should not produce a warning")
+			}
+
+			require.Equal(t, st.output, actual)
+		})
+	}
+}