54 lines
1.3 KiB
Go
54 lines
1.3 KiB
Go
package toolsrv_test
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import (
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"context"
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"encoding/json"
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"testing"
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"ollie/toolsrv"
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)
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// stubRunner is a minimal Runner used to verify the contract.
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type stubRunner struct {
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name string
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tools []toolsrv.ToolInfo
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}
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func (s *stubRunner) ListTools() ([]toolsrv.ToolInfo, error) { return s.tools, nil }
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func (s *stubRunner) CallTool(_ context.Context, tool string, _ json.RawMessage) (json.RawMessage, error) {
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return json.RawMessage(`{"tool":"` + tool + `"}`), nil
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}
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func newStub(name string, toolNames ...string) *stubRunner {
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var ti []toolsrv.ToolInfo
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for _, n := range toolNames {
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ti = append(ti, toolsrv.ToolInfo{Name: n, Description: n + " desc"})
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}
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return &stubRunner{name: name, tools: ti}
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}
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// checkRunnerContract verifies Runner invariants.
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func checkRunnerContract(t *testing.T, r toolsrv.Runner) {
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t.Helper()
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tl, err := r.ListTools()
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if err != nil {
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t.Fatalf("ListTools: %v", err)
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}
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if tl == nil {
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t.Fatal("ListTools returned nil")
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}
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for _, ti := range tl {
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res, err := r.CallTool(context.Background(), ti.Name, json.RawMessage(`{}`))
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if err != nil {
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t.Errorf("CallTool(%q): %v", ti.Name, err)
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}
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if len(res) == 0 {
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t.Errorf("CallTool(%q) returned empty result", ti.Name)
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}
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}
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}
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func TestStubRunnerContract(t *testing.T) {
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checkRunnerContract(t, newStub("s", "a", "b"))
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}
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