();
await cut.InvokeAsync(() => SetField(cut.Instance, "_session", session));
await cut.InvokeAsync(async () =>
await InvokeAsyncMethod(cut.Instance, "LoadPreviewAndAdvanceAsync"));
cut.Render();
// The code line-diff block is present and shows one add + one remove line.
Assert.NotNull(cut.Find("[data-testid='code-line-diff']"));
Assert.NotNull(cut.Find("[data-testid='line-diff']"));
Assert.Single(cut.FindAll("[data-testid='line-diff-add']"));
Assert.Single(cut.FindAll("[data-testid='line-diff-remove']"));
// The raw JSON fallback is NOT used for code-field diffs.
Assert.DoesNotContain("\"lineDiff\"", cut.Find("[data-testid='code-line-diff']").InnerHtml);
// No truncation marker for a complete diff.
Assert.Empty(cut.FindAll("[data-testid='line-diff-truncated']"));
}
// ─────────────────────────────────────────────────────────────────────
// Test 11 (M8 E2): truncation marker shows when the lineDiff is truncated.
// ─────────────────────────────────────────────────────────────────────
[Fact]
public async Task Modified_row_with_truncated_lineDiff_shows_truncation_marker()
{
const string fieldDiffJson = """
{
"changes": [
{
"field": "Code",
"oldValue": "x",
"newValue": "y",
"lineDiff": {
"hunks": [
{ "op": "remove", "text": "x", "oldLineNo": 1 },
{ "op": "add", "text": "y", "newLineNo": 1 }
],
"truncated": true,
"addedCount": 12,
"removedCount": 8
}
}
]
}
""";
var session = BuildEncryptedSession(sourceEnv: "prod-cluster");
var preview = new ImportPreview(session.SessionId, new List
{
new("Template", "Pump", 1, 2, ConflictKind.Modified, fieldDiffJson, null),
});
_importer.PreviewAsync(session.SessionId, Arg.Any()).Returns(preview);
var cut = Render();
await cut.InvokeAsync(() => SetField(cut.Instance, "_session", session));
await cut.InvokeAsync(async () =>
await InvokeAsyncMethod(cut.Instance, "LoadPreviewAndAdvanceAsync"));
cut.Render();
var marker = cut.Find("[data-testid='line-diff-truncated']");
Assert.Contains("truncated", marker.TextContent);
Assert.Contains("+12", marker.TextContent);
Assert.Contains("-8", marker.TextContent);
}
// ─────────────────────────────────────────────────────────────────────
// Reflection helpers — the wizard's per-instance state is private (the
// razor partial pattern). We poke at it via reflection rather than
// widening the surface of the production class with test-only accessors.
// ─────────────────────────────────────────────────────────────────────
private static void SetField(object obj, string name, object? value)
{
var field = obj.GetType().GetField(
name,
System.Reflection.BindingFlags.Instance
| System.Reflection.BindingFlags.NonPublic
| System.Reflection.BindingFlags.Public)
?? throw new InvalidOperationException($"Field '{name}' not found on {obj.GetType()}.");
field.SetValue(obj, value);
}
private static T GetField(object obj, string name)
{
var field = obj.GetType().GetField(
name,
System.Reflection.BindingFlags.Instance
| System.Reflection.BindingFlags.NonPublic
| System.Reflection.BindingFlags.Public)
?? throw new InvalidOperationException($"Field '{name}' not found on {obj.GetType()}.");
return (T)field.GetValue(obj)!;
}
private static async Task InvokeAsyncMethod(object obj, string name)
{
var method = obj.GetType().GetMethod(
name,
System.Reflection.BindingFlags.Instance
| System.Reflection.BindingFlags.NonPublic
| System.Reflection.BindingFlags.Public)
?? throw new InvalidOperationException($"Method '{name}' not found on {obj.GetType()}.");
var task = (Task)method.Invoke(obj, Array.Empty())!;
await task;
}
///
/// Seeds the wizard at Step 2 (Passphrase) with a staged bundle file — the
/// shape after an encrypted-bundle upload completed Step 1's peek and
/// surfaced an ArgumentException ("passphrase required"). CentralUI-031:
/// the wizard now stages the upload to a temp file and only retains the
/// path on the component, so the test helper writes the bytes to a per-
/// test temp file and sets the path field instead of the byte[] field.
///
private static void SeedAtPassphraseStep(TransportImportPage instance, byte[] bytes)
{
var dir = Path.Combine(Path.GetTempPath(), "scadabridge-transport-staging");
Directory.CreateDirectory(dir);
var path = Path.Combine(dir, $"test-{Guid.NewGuid():N}.scadabundle");
File.WriteAllBytes(path, bytes);
SetField(instance, "_bundleTempPath", path);
SetField(instance, "_session", null);
SetField(instance, "_step", TransportImportPage.ImportWizardStep.Passphrase);
SetField(instance, "_failedUnlockAttempts", 0);
}
}