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Test: Add tests for LiveDebugger.Utils.TermParser (#335)
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‎test/utils/term_parser_test.exs‎

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defmodule LiveDebugger.Utils.TermParserTest do
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use ExUnit.Case, async: true
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alias LiveDebugger.Utils.TermParser
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defmodule TestStruct do
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defstruct [:field1, :field2]
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end
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describe "term_to_display_tree/1" do
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test "parses a string term" do
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term = "Hello, World!"
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expected = %{
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kind: "binary",
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children: nil,
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content: [%{text: "\"Hello, World!\"", color: "text-code-4"}],
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expanded_before: nil,
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expanded_after: nil
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}
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assert TermParser.term_to_display_tree(term) == expected
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end
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test "parses an atom term" do
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term = :hello
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expected = %{
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kind: "atom",
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children: nil,
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content: [%{text: ":hello", color: "text-code-1"}],
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expanded_before: nil,
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expanded_after: nil
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}
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assert TermParser.term_to_display_tree(term) == expected
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end
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test "parses a number term" do
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term = 42
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expected = %{
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kind: "number",
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children: nil,
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content: [%{text: "42", color: "text-code-1"}],
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expanded_before: nil,
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expanded_after: nil
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}
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assert TermParser.term_to_display_tree(term) == expected
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end
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test "parses a tuple term" do
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term = {:ok, "Hello"}
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expected = %{
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kind: "tuple",
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children: [
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%{
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kind: "atom",
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children: nil,
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content: [%{text: ":ok", color: "text-code-1"}, %{text: ",", color: "text-code-2"}],
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expanded_before: nil,
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expanded_after: nil
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},
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%{
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kind: "binary",
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children: nil,
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content: [%{text: "\"Hello\"", color: "text-code-4"}],
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expanded_before: nil,
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expanded_after: nil
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}
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],
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content: [%{text: "{...}", color: "text-code-2"}],
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expanded_before: [%{text: "{", color: "text-code-2"}],
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expanded_after: [%{text: "}", color: "text-code-2"}]
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}
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assert TermParser.term_to_display_tree(term) == expected
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end
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test "parses empty tuple term" do
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term = {}
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expected = %{
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kind: "tuple",
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children: nil,
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content: [%{text: "{}", color: "text-code-2"}],
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expanded_before: nil,
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expanded_after: nil
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}
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assert TermParser.term_to_display_tree(term) == expected
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end
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test "parses a list term" do
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term = [1, 2, 3]
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expected = %{
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kind: "list",
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children: [
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%{
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kind: "number",
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children: nil,
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content: [%{text: "1", color: "text-code-1"}, %{text: ",", color: "text-code-2"}],
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expanded_before: nil,
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expanded_after: nil
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},
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%{
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kind: "number",
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children: nil,
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content: [%{text: "2", color: "text-code-1"}, %{text: ",", color: "text-code-2"}],
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expanded_before: nil,
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expanded_after: nil
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},
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%{
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kind: "number",
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children: nil,
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content: [%{text: "3", color: "text-code-1"}],
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expanded_before: nil,
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expanded_after: nil
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}
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],
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content: [%{text: "[...]", color: "text-code-2"}],
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expanded_before: [%{text: "[", color: "text-code-2"}],
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expanded_after: [%{text: "]", color: "text-code-2"}]
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}
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assert TermParser.term_to_display_tree(term) == expected
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end
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test "parses empty list term" do
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term = []
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expected = %{
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kind: "list",
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children: nil,
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content: [%{text: "[]", color: "text-code-2"}],
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expanded_before: nil,
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expanded_after: nil
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}
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assert TermParser.term_to_display_tree(term) == expected
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end
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test "parses regex term" do
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term = ~r/hello/
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expected = %{
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kind: "regex",
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children: nil,
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content: [%{text: "~r/hello/", color: "text-code-2"}],
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expanded_before: nil,
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expanded_after: nil
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}
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assert TermParser.term_to_display_tree(term) == expected
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end
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test "parses constant terms" do
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terms = [nil, true, false]
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Enum.map(terms, fn term ->
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expected = %{
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kind: "atom",
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children: nil,
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content: [%{text: inspect(term), color: "text-code-3"}],
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expanded_before: nil,
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expanded_after: nil
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}
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assert TermParser.term_to_display_tree(term) == expected
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end)
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end
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test "parses empty map term" do
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term = %{}
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expected = %{
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kind: "map",
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children: nil,
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content: [%{text: "%{}", color: "text-code-2"}],
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expanded_before: nil,
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expanded_after: nil
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}
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assert TermParser.term_to_display_tree(term) == expected
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end
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test "parses struct without `Inspect.Any` implementation" do
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term = %TestStruct{field1: "value1", field2: 42}
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"Elixir." <> struct_name = __MODULE__.TestStruct |> Atom.to_string()
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expected = %{
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kind: "struct",
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children: [
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%{
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kind: "binary",
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children: nil,
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content: [
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%{text: "field1:", color: "text-code-1"},
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%{text: " ", color: "text-code-2"},
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%{text: "\"value1\"", color: "text-code-4"},
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%{text: ",", color: "text-code-2"}
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],
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expanded_before: nil,
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expanded_after: nil
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},
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%{
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kind: "number",
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children: nil,
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content: [
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%{text: "field2:", color: "text-code-1"},
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%{text: " ", color: "text-code-2"},
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%{text: "42", color: "text-code-1"}
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],
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expanded_before: nil,
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expanded_after: nil
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}
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],
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content: [
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%{color: "text-code-2", text: "%"},
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%{text: struct_name, color: "text-code-1"},
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%{text: "{...}", color: "text-code-2"}
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],
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expanded_before: [
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%{text: "%", color: "text-code-2"},
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%{text: struct_name, color: "text-code-1"},
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%{text: "{", color: "text-code-2"}
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],
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expanded_after: [%{text: "}", color: "text-code-2"}]
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}
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assert TermParser.term_to_display_tree(term) == expected
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end
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test "parses structs" do
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{:ok, term} = Date.new(2023, 5, 10)
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expected = %{
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children: [
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%{
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kind: "atom",
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children: nil,
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content: [
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%{text: "calendar:", color: "text-code-1"},
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%{text: " ", color: "text-code-2"},
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%{text: "Calendar.ISO", color: "text-code-1"},
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%{text: ",", color: "text-code-2"}
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],
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expanded_before: nil,
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expanded_after: nil
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},
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%{
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kind: "number",
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children: nil,
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content: [
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%{text: "month:", color: "text-code-1"},
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%{text: " ", color: "text-code-2"},
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%{text: "5", color: "text-code-1"},
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%{text: ",", color: "text-code-2"}
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],
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expanded_before: nil,
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expanded_after: nil
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},
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%{
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kind: "number",
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children: nil,
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content: [
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%{text: "day:", color: "text-code-1"},
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%{text: " ", color: "text-code-2"},
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%{text: "10", color: "text-code-1"},
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%{text: ",", color: "text-code-2"}
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],
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expanded_before: nil,
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expanded_after: nil
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},
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%{
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kind: "number",
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children: nil,
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content: [
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%{text: "year:", color: "text-code-1"},
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%{text: " ", color: "text-code-2"},
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%{text: "2023", color: "text-code-1"}
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],
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expanded_before: nil,
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expanded_after: nil
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}
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],
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content: [%{color: "text-code-2", text: "~D[2023-05-10]"}],
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expanded_before: [
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%{text: "%", color: "text-code-2"},
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%{text: "Date", color: "text-code-1"},
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%{text: "{", color: "text-code-2"}
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],
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expanded_after: [%{text: "}", color: "text-code-2"}],
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kind: "struct"
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}
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assert TermParser.term_to_display_tree(term) == expected
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end
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test "parses map terms" do
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term = %{
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"key1" => "value1",
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"key2" => 42,
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"key3" => :test
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}
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expected = %{
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kind: "map",
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children: [
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%{
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kind: "binary",
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children: nil,
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content: [
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%{text: "\"key1\"", color: "text-code-4"},
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%{text: " => ", color: "text-code-2"},
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%{text: "\"value1\"", color: "text-code-4"},
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%{text: ",", color: "text-code-2"}
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],
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expanded_before: nil,
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expanded_after: nil
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},
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%{
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kind: "number",
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children: nil,
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content: [
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%{text: "\"key2\"", color: "text-code-4"},
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%{text: " => ", color: "text-code-2"},
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%{text: "42", color: "text-code-1"},
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%{text: ",", color: "text-code-2"}
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],
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expanded_before: nil,
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expanded_after: nil
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},
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%{
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kind: "atom",
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children: nil,
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content: [
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%{text: "\"key3\"", color: "text-code-4"},
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%{text: " => ", color: "text-code-2"},
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%{text: ":test", color: "text-code-1"}
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],
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expanded_before: nil,
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expanded_after: nil
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}
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],
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content: [%{text: "%{...}", color: "text-code-2"}],
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expanded_before: [%{text: "%{", color: "text-code-2"}],
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expanded_after: [%{text: "}", color: "text-code-2"}]
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}
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assert TermParser.term_to_display_tree(term) == expected
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end
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end
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end

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