wehub-resource-sync
a06f331eb8
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39 lines
1.2 KiB
Go
39 lines
1.2 KiB
Go
package mcp
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import (
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"context"
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"os"
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"path/filepath"
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"testing"
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mcplib "github.com/mark3labs/mcp-go/mcp"
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"github.com/stretchr/testify/require"
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)
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func TestEditFileExpectedOccurrences(t *testing.T) {
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srv, dir := setupTestServer(t)
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p := filepath.Join(dir, "occ.txt")
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require.NoError(t, os.WriteFile(p, []byte("x\nx\nx\n"), 0o644))
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// Mismatch: 3 occurrences but the caller asserted 2 -> refuse, no write.
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req := mcplib.CallToolRequest{}
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req.Params.Arguments = map[string]any{
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"path": p, "old_string": "x", "new_string": "y",
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"replace_all": true, "expected_occurrences": float64(2),
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}
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res, err := srv.handleEditFile(context.Background(), req)
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require.NoError(t, err)
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require.True(t, res.IsError, "a cardinality mismatch must refuse the edit")
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after, _ := os.ReadFile(p)
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require.Equal(t, "x\nx\nx\n", string(after), "a refused edit must not write")
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// Match: asserted 3 -> applies.
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resp := callEditHandlerJSON(t, srv.handleEditFile, map[string]any{
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"path": p, "old_string": "x", "new_string": "y",
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"replace_all": true, "expected_occurrences": float64(3),
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})
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require.Equal(t, "applied", resp["status"])
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after, _ = os.ReadFile(p)
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require.Equal(t, "y\ny\ny\n", string(after))
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}
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