test: add tests for pkg/client/client.go

pkg/client/client_test.go

@@ -0,0 +1,46 @@
+package client_test
+
+import (
+	"fmt"
+	"testing"
+
+	"coopcloud.tech/abra/pkg/client"
+)
+
+// use at the start to ensure testContext[0, 1, ..., amnt-1] exist and
+// testContextFail[0, 1, ..., failAmnt-1] don't exist
+func ensureTestState(amnt, failAmnt int) error {
+	for i := 0; i < amnt; i++ {
+		err := client.CreateContext(fmt.Sprintf("testContext%d", i), "", "")
+		if err != nil {
+			return err
+		}
+	}
+	for i := 0; i < failAmnt; i++ {
+		if _, er := client.GetContext(fmt.Sprintf("testContextFail%d", i)); er == nil {
+			err := client.DeleteContext(fmt.Sprintf("testContextFail%d", i))
+			if err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}
+
+func TestNew(t *testing.T) {
+	err := ensureTestState(1, 1)
+	if err != nil {
+		t.Errorf("Couldn't ensure existence/nonexistence of contexts: %s", err)
+	}
+	contextName := "testContext0"
+	_, err = client.New(contextName)
+	if err != nil {
+		t.Errorf("couldn't initialise a new client with context %s: %s", contextName, err)
+	}
+	contextName = "testContextFail0"
+	_, err = client.New(contextName)
+	if err == nil {
+		t.Errorf("client.New(\"testContextFail0\") should have failed but didn't return an error")
+	}
+
+}