89 lines
3.1 KiB
C#
89 lines
3.1 KiB
C#
using System.Security.Claims;
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using Microsoft.AspNetCore.Components.Authorization;
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using ScadaLink.CentralUI.Auth;
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using ScadaLink.Security;
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namespace ScadaLink.CentralUI.Tests.Auth;
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/// <summary>
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/// Regression tests for CentralUI-024. Ten components each copy-pasted a
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/// <c>GetCurrentUserAsync</c> helper using the magic string
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/// <c>FindFirst("Username")</c>, and <c>NavMenu</c>/<c>Dashboard</c> used
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/// <c>FindFirst("DisplayName")</c>. A rename of the claim type in
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/// <see cref="JwtTokenService"/> (the single source of truth) would have
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/// silently broken every call site. The shared
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/// <see cref="ClaimsPrincipalExtensions"/> helpers now resolve the claim type
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/// through the <c>JwtTokenService</c> constants.
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/// </summary>
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public class ClaimsPrincipalExtensionsTests
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{
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private static ClaimsPrincipal Principal(params Claim[] claims)
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=> new(new ClaimsIdentity(claims, authenticationType: "TestCookie"));
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[Fact]
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public void GetUsername_ResolvesTheJwtTokenServiceUsernameClaim()
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{
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var principal = Principal(
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new Claim(JwtTokenService.UsernameClaimType, "alice"));
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Assert.Equal("alice", principal.GetUsername());
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}
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[Fact]
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public void GetUsername_FallsBackToUnknown_WhenClaimAbsent()
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{
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var principal = Principal();
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Assert.Equal(ClaimsPrincipalExtensions.UnknownUser, principal.GetUsername());
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}
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[Fact]
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public void GetDisplayName_ResolvesTheJwtTokenServiceDisplayNameClaim()
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{
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var principal = Principal(
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new Claim(JwtTokenService.DisplayNameClaimType, "Alice Anderson"));
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Assert.Equal("Alice Anderson", principal.GetDisplayName());
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}
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[Fact]
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public void GetDisplayName_IsNull_WhenClaimAbsent()
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{
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Assert.Null(Principal().GetDisplayName());
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}
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[Fact]
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public async Task GetCurrentUsernameAsync_ReadsUsernameFromAuthState()
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{
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var principal = Principal(
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new Claim(JwtTokenService.UsernameClaimType, "bob"));
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var provider = new StubAuthStateProvider(
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new AuthenticationState(principal));
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Assert.Equal("bob", await provider.GetCurrentUsernameAsync());
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}
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[Fact]
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public void Username_LookupTracksAJwtTokenServiceRename()
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{
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// The lookup must NOT use a hard-coded "Username" literal: if the
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// constant's *value* is ever changed, the helper must follow it. Build a
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// principal whose claim carries the JwtTokenService constant's current
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// value and confirm the helper finds it via that same constant.
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var principal = Principal(
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new Claim(JwtTokenService.UsernameClaimType, "carol"));
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Assert.Equal("carol",
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principal.FindFirst(JwtTokenService.UsernameClaimType)?.Value);
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Assert.Equal("carol", principal.GetUsername());
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}
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private sealed class StubAuthStateProvider : AuthenticationStateProvider
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{
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private readonly AuthenticationState _state;
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public StubAuthStateProvider(AuthenticationState state) => _state = state;
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public override Task<AuthenticationState> GetAuthenticationStateAsync()
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=> Task.FromResult(_state);
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}
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}
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