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Test: Add tests for LiveDebugger.Utils.TermParser #335

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GuzekAlan merged 1 commit into from
Apr 29, 2025
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Test: Add tests for LiveDebugger.Utils.TermParser #335

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358 changes: 358 additions & 0 deletions test/utils/term_parser_test.exs
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Original file line number Diff line number Diff line change
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defmodule LiveDebugger.Utils.TermParserTest do
use ExUnit.Case, async: true

alias LiveDebugger.Utils.TermParser

defmodule TestStruct do
defstruct [:field1, :field2]
end

describe "term_to_display_tree/1" do
test "parses a string term" do
term = "Hello, World!"

expected = %{
kind: "binary",
children: nil,
content: [%{text: "\"Hello, World!\"", color: "text-code-4"}],
expanded_before: nil,
expanded_after: nil
}

assert TermParser.term_to_display_tree(term) == expected
end

test "parses an atom term" do
term = :hello

expected = %{
kind: "atom",
children: nil,
content: [%{text: ":hello", color: "text-code-1"}],
expanded_before: nil,
expanded_after: nil
}

assert TermParser.term_to_display_tree(term) == expected
end

test "parses a number term" do
term = 42

expected = %{
kind: "number",
children: nil,
content: [%{text: "42", color: "text-code-1"}],
expanded_before: nil,
expanded_after: nil
}

assert TermParser.term_to_display_tree(term) == expected
end

test "parses a tuple term" do
term = {:ok, "Hello"}

expected = %{
kind: "tuple",
children: [
%{
kind: "atom",
children: nil,
content: [%{text: ":ok", color: "text-code-1"}, %{text: ",", color: "text-code-2"}],
expanded_before: nil,
expanded_after: nil
},
%{
kind: "binary",
children: nil,
content: [%{text: "\"Hello\"", color: "text-code-4"}],
expanded_before: nil,
expanded_after: nil
}
],
content: [%{text: "{...}", color: "text-code-2"}],
expanded_before: [%{text: "{", color: "text-code-2"}],
expanded_after: [%{text: "}", color: "text-code-2"}]
}

assert TermParser.term_to_display_tree(term) == expected
end

test "parses empty tuple term" do
term = {}

expected = %{
kind: "tuple",
children: nil,
content: [%{text: "{}", color: "text-code-2"}],
expanded_before: nil,
expanded_after: nil
}

assert TermParser.term_to_display_tree(term) == expected
end

test "parses a list term" do
term = [1, 2, 3]

expected = %{
kind: "list",
children: [
%{
kind: "number",
children: nil,
content: [%{text: "1", color: "text-code-1"}, %{text: ",", color: "text-code-2"}],
expanded_before: nil,
expanded_after: nil
},
%{
kind: "number",
children: nil,
content: [%{text: "2", color: "text-code-1"}, %{text: ",", color: "text-code-2"}],
expanded_before: nil,
expanded_after: nil
},
%{
kind: "number",
children: nil,
content: [%{text: "3", color: "text-code-1"}],
expanded_before: nil,
expanded_after: nil
}
],
content: [%{text: "[...]", color: "text-code-2"}],
expanded_before: [%{text: "[", color: "text-code-2"}],
expanded_after: [%{text: "]", color: "text-code-2"}]
}

assert TermParser.term_to_display_tree(term) == expected
end

test "parses empty list term" do
term = []

expected = %{
kind: "list",
children: nil,
content: [%{text: "[]", color: "text-code-2"}],
expanded_before: nil,
expanded_after: nil
}

assert TermParser.term_to_display_tree(term) == expected
end

test "parses regex term" do
term = ~r/hello/

expected = %{
kind: "regex",
children: nil,
content: [%{text: "~r/hello/", color: "text-code-2"}],
expanded_before: nil,
expanded_after: nil
}

assert TermParser.term_to_display_tree(term) == expected
end

test "parses constant terms" do
terms = [nil, true, false]

Enum.map(terms, fn term ->
expected = %{
kind: "atom",
children: nil,
content: [%{text: inspect(term), color: "text-code-3"}],
expanded_before: nil,
expanded_after: nil
}

assert TermParser.term_to_display_tree(term) == expected
end)
end

test "parses empty map term" do
term = %{}

expected = %{
kind: "map",
children: nil,
content: [%{text: "%{}", color: "text-code-2"}],
expanded_before: nil,
expanded_after: nil
}

assert TermParser.term_to_display_tree(term) == expected
end

test "parses struct without `Inspect.Any` implementation" do
term = %TestStruct{field1: "value1", field2: 42}

"Elixir." <> struct_name = __MODULE__.TestStruct |> Atom.to_string()

expected = %{
kind: "struct",
children: [
%{
kind: "binary",
children: nil,
content: [
%{text: "field1:", color: "text-code-1"},
%{text: " ", color: "text-code-2"},
%{text: "\"value1\"", color: "text-code-4"},
%{text: ",", color: "text-code-2"}
],
expanded_before: nil,
expanded_after: nil
},
%{
kind: "number",
children: nil,
content: [
%{text: "field2:", color: "text-code-1"},
%{text: " ", color: "text-code-2"},
%{text: "42", color: "text-code-1"}
],
expanded_before: nil,
expanded_after: nil
}
],
content: [
%{color: "text-code-2", text: "%"},
%{text: struct_name, color: "text-code-1"},
%{text: "{...}", color: "text-code-2"}
],
expanded_before: [
%{text: "%", color: "text-code-2"},
%{text: struct_name, color: "text-code-1"},
%{text: "{", color: "text-code-2"}
],
expanded_after: [%{text: "}", color: "text-code-2"}]
}

assert TermParser.term_to_display_tree(term) == expected
end

test "parses structs" do
{:ok, term} = Date.new(2023, 5, 10)

expected = %{
children: [
%{
kind: "atom",
children: nil,
content: [
%{text: "calendar:", color: "text-code-1"},
%{text: " ", color: "text-code-2"},
%{text: "Calendar.ISO", color: "text-code-1"},
%{text: ",", color: "text-code-2"}
],
expanded_before: nil,
expanded_after: nil
},
%{
kind: "number",
children: nil,
content: [
%{text: "month:", color: "text-code-1"},
%{text: " ", color: "text-code-2"},
%{text: "5", color: "text-code-1"},
%{text: ",", color: "text-code-2"}
],
expanded_before: nil,
expanded_after: nil
},
%{
kind: "number",
children: nil,
content: [
%{text: "day:", color: "text-code-1"},
%{text: " ", color: "text-code-2"},
%{text: "10", color: "text-code-1"},
%{text: ",", color: "text-code-2"}
],
expanded_before: nil,
expanded_after: nil
},
%{
kind: "number",
children: nil,
content: [
%{text: "year:", color: "text-code-1"},
%{text: " ", color: "text-code-2"},
%{text: "2023", color: "text-code-1"}
],
expanded_before: nil,
expanded_after: nil
}
],
content: [%{color: "text-code-2", text: "~D[2023-05-10]"}],
expanded_before: [
%{text: "%", color: "text-code-2"},
%{text: "Date", color: "text-code-1"},
%{text: "{", color: "text-code-2"}
],
expanded_after: [%{text: "}", color: "text-code-2"}],
kind: "struct"
}

assert TermParser.term_to_display_tree(term) == expected
end

test "parses map terms" do
term = %{
"key1" => "value1",
"key2" => 42,
"key3" => :test
}

expected = %{
kind: "map",
children: [
%{
kind: "binary",
children: nil,
content: [
%{text: "\"key1\"", color: "text-code-4"},
%{text: " => ", color: "text-code-2"},
%{text: "\"value1\"", color: "text-code-4"},
%{text: ",", color: "text-code-2"}
],
expanded_before: nil,
expanded_after: nil
},
%{
kind: "number",
children: nil,
content: [
%{text: "\"key2\"", color: "text-code-4"},
%{text: " => ", color: "text-code-2"},
%{text: "42", color: "text-code-1"},
%{text: ",", color: "text-code-2"}
],
expanded_before: nil,
expanded_after: nil
},
%{
kind: "atom",
children: nil,
content: [
%{text: "\"key3\"", color: "text-code-4"},
%{text: " => ", color: "text-code-2"},
%{text: ":test", color: "text-code-1"}
],
expanded_before: nil,
expanded_after: nil
}
],
content: [%{text: "%{...}", color: "text-code-2"}],
expanded_before: [%{text: "%{", color: "text-code-2"}],
expanded_after: [%{text: "}", color: "text-code-2"}]
}

assert TermParser.term_to_display_tree(term) == expected
end
end
end