77 lines
2.3 KiB
Zig
77 lines
2.3 KiB
Zig
const std = @import("std");
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const zls = @import("zls");
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const builtin = @import("builtin");
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const helper = @import("../helper.zig");
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const Context = @import("../context.zig").Context;
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const ErrorBuilder = @import("../ErrorBuilder.zig");
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const types = zls.types;
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const offsets = zls.offsets;
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const requests = zls.requests;
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const allocator: std.mem.Allocator = std.testing.allocator;
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test "selectionRange - empty" {
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try testSelectionRange("<>", &.{});
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}
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test "seletionRange - smoke" {
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try testSelectionRange(
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\\fn main() void {
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\\ const x = 1 <>+ 1;
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\\}
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, &.{ "1 + 1", "const x = 1 + 1", "{\n const x = 1 + 1;\n}" });
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}
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fn testSelectionRange(source: []const u8, want: []const []const u8) !void {
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var phr = try helper.collectClearPlaceholders(allocator, source);
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defer phr.deinit(allocator);
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var ctx = try Context.init();
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defer ctx.deinit();
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const test_uri: []const u8 = switch (builtin.os.tag) {
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.windows => "file:///C:\\test.zig",
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else => "file:///test.zig",
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};
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try ctx.requestDidOpen(test_uri, phr.new_source);
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const position = offsets.locToRange(phr.new_source, phr.locations.items(.new)[0], .utf16).start;
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const SelectionRange = struct {
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range: types.Range,
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parent: ?*@This(),
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};
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const request = requests.SelectionRange{ .params = .{
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.textDocument = .{ .uri = test_uri },
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.positions = &.{position},
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} };
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const response = try ctx.requestGetResponse(?[]SelectionRange, "textDocument/selectionRange", request);
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defer response.deinit();
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const selectionRanges: []SelectionRange = response.result orelse {
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std.debug.print("Server returned `null` as the result\n", .{});
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return error.InvalidResponse;
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};
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var got = std.ArrayList([]const u8).init(allocator);
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defer got.deinit();
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var it: ?*SelectionRange = &selectionRanges[0];
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while (it) |r| {
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const slice = offsets.rangeToSlice(phr.new_source, r.range, .utf16);
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(try got.addOne()).* = slice;
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it = r.parent;
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}
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const last = got.pop();
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try std.testing.expectEqualStrings(phr.new_source, last);
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try std.testing.expectEqual(want.len, got.items.len);
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for (want) |w, i| {
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try std.testing.expectEqualStrings(w, got.items[i]);
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}
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}
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