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| 1 | +package mcp |
| 2 | + |
| 3 | +import ( |
| 4 | + "context" |
| 5 | + "encoding/json" |
| 6 | + "os" |
| 7 | + "strconv" |
| 8 | + "testing" |
| 9 | + |
| 10 | + "github.com/containers/kubernetes-mcp-server/internal/test" |
| 11 | + configuration "github.com/containers/kubernetes-mcp-server/pkg/config" |
| 12 | + "github.com/mark3labs/mcp-go/mcp" |
| 13 | + clientcmdapi "k8s.io/client-go/tools/clientcmd/api" |
| 14 | +) |
| 15 | + |
| 16 | +func TestGenerateSnapshots(t *testing.T) { |
| 17 | + if os.Getenv("GENERATE_SNAPSHOTS") != "true" { |
| 18 | + t.Skip("Skipping snapshot generation test. Set GENERATE_SNAPSHOTS=true to run") |
| 19 | + } |
| 20 | + |
| 21 | + // Test 1: Default toolsets |
| 22 | + t.Run("Generate toolsets-full-tools.json", func(t *testing.T) { |
| 23 | + mockServer := test.NewMockServer() |
| 24 | + defer mockServer.Close() |
| 25 | + cfg := configuration.Default() |
| 26 | + cfg.KubeConfig = mockServer.KubeconfigFile(t) |
| 27 | + mcpServer, err := NewServer(Configuration{StaticConfig: cfg}) |
| 28 | + if err != nil { |
| 29 | + t.Fatal(err) |
| 30 | + } |
| 31 | + defer mcpServer.Close() |
| 32 | + client := test.NewMcpClient(t, mcpServer.ServeHTTP(nil)) |
| 33 | + defer client.Close() |
| 34 | + tools, err := client.ListTools(context.Background(), mcp.ListToolsRequest{}) |
| 35 | + if err != nil { |
| 36 | + t.Fatal(err) |
| 37 | + } |
| 38 | + writeJSON(t, "testdata/toolsets-full-tools.json", tools.Tools) |
| 39 | + }) |
| 40 | + |
| 41 | + // Test 2: OpenShift |
| 42 | + t.Run("Generate toolsets-full-tools-openshift.json", func(t *testing.T) { |
| 43 | + mockServer := test.NewMockServer() |
| 44 | + mockServer.Handle(&test.InOpenShiftHandler{}) |
| 45 | + defer mockServer.Close() |
| 46 | + cfg := configuration.Default() |
| 47 | + cfg.KubeConfig = mockServer.KubeconfigFile(t) |
| 48 | + mcpServer, err := NewServer(Configuration{StaticConfig: cfg}) |
| 49 | + if err != nil { |
| 50 | + t.Fatal(err) |
| 51 | + } |
| 52 | + defer mcpServer.Close() |
| 53 | + client := test.NewMcpClient(t, mcpServer.ServeHTTP(nil)) |
| 54 | + defer client.Close() |
| 55 | + tools, err := client.ListTools(context.Background(), mcp.ListToolsRequest{}) |
| 56 | + if err != nil { |
| 57 | + t.Fatal(err) |
| 58 | + } |
| 59 | + writeJSON(t, "testdata/toolsets-full-tools-openshift.json", tools.Tools) |
| 60 | + }) |
| 61 | + |
| 62 | + // Test 3: Multi-cluster (11 clusters) |
| 63 | + t.Run("Generate toolsets-full-tools-multicluster.json", func(t *testing.T) { |
| 64 | + mockServer := test.NewMockServer() |
| 65 | + defer mockServer.Close() |
| 66 | + kubeconfig := mockServer.Kubeconfig() |
| 67 | + for i := 0; i < 10; i++ { |
| 68 | + kubeconfig.Contexts[strconv.Itoa(i)] = clientcmdapi.NewContext() |
| 69 | + } |
| 70 | + cfg := configuration.Default() |
| 71 | + cfg.KubeConfig = test.KubeconfigFile(t, kubeconfig) |
| 72 | + mcpServer, err := NewServer(Configuration{StaticConfig: cfg}) |
| 73 | + if err != nil { |
| 74 | + t.Fatal(err) |
| 75 | + } |
| 76 | + defer mcpServer.Close() |
| 77 | + client := test.NewMcpClient(t, mcpServer.ServeHTTP(nil)) |
| 78 | + defer client.Close() |
| 79 | + tools, err := client.ListTools(context.Background(), mcp.ListToolsRequest{}) |
| 80 | + if err != nil { |
| 81 | + t.Fatal(err) |
| 82 | + } |
| 83 | + writeJSON(t, "testdata/toolsets-full-tools-multicluster.json", tools.Tools) |
| 84 | + }) |
| 85 | + |
| 86 | + // Test 4: Multi-cluster enum (2 clusters) |
| 87 | + t.Run("Generate toolsets-full-tools-multicluster-enum.json", func(t *testing.T) { |
| 88 | + mockServer := test.NewMockServer() |
| 89 | + defer mockServer.Close() |
| 90 | + kubeconfig := mockServer.Kubeconfig() |
| 91 | + kubeconfig.Contexts["extra-cluster"] = clientcmdapi.NewContext() |
| 92 | + cfg := configuration.Default() |
| 93 | + cfg.KubeConfig = test.KubeconfigFile(t, kubeconfig) |
| 94 | + mcpServer, err := NewServer(Configuration{StaticConfig: cfg}) |
| 95 | + if err != nil { |
| 96 | + t.Fatal(err) |
| 97 | + } |
| 98 | + defer mcpServer.Close() |
| 99 | + client := test.NewMcpClient(t, mcpServer.ServeHTTP(nil)) |
| 100 | + defer client.Close() |
| 101 | + tools, err := client.ListTools(context.Background(), mcp.ListToolsRequest{}) |
| 102 | + if err != nil { |
| 103 | + t.Fatal(err) |
| 104 | + } |
| 105 | + writeJSON(t, "testdata/toolsets-full-tools-multicluster-enum.json", tools.Tools) |
| 106 | + }) |
| 107 | +} |
| 108 | + |
| 109 | +func writeJSON(t *testing.T, filename string, data interface{}) { |
| 110 | + jsonData, err := json.MarshalIndent(data, "", " ") |
| 111 | + if err != nil { |
| 112 | + t.Fatal(err) |
| 113 | + } |
| 114 | + err = os.WriteFile(filename, jsonData, 0644) |
| 115 | + if err != nil { |
| 116 | + t.Fatal(err) |
| 117 | + } |
| 118 | + t.Logf("Written %s", filename) |
| 119 | +} |
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