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namespace marlin.tests;
using core.util;
public class VariableExpanderTests
{
private Dictionary<string, string> _variables = new();
[SetUp]
public void Setup()
{
this._variables["name"] = "john";
this._variables["branch"] = "master";
}
[TestCase("hello world", "hello world")] // passthroughs
[TestCase("hi {name}!", "hi john!")] // classic variable expansion
[TestCase("hi {name=bob}!", "hi john!")] // existent variable with fallback
[TestCase("hi {nonvar=bob}!", "hi bob!")] // non-existent variable with fallback
[TestCase("hi {name? plane}!", "hi plane!")] // use value if set
[TestCase("hi {nonvar? plane}!", "hi !")] // omit value if not set
[TestCase("mycommand {--checkout branch}", "mycommand --checkout master")] // inject cli arg when set
[TestCase("mycommand {--checkout nonvar}", "mycommand")] // omit cli arg when not set
[TestCase("i will {{escape}}", "i will {escape}")] // escaping works
public void ExpansionMatches(string input, string output)
{
var result = VariableExpander.Expand(input, this._variables);
Assert.That(result, Is.EqualTo(output));
}
[TestCase("un {", typeof(UnmatchedBraceException))] // unmatched leading
[TestCase("un }", typeof(UnmatchedBraceException))] // unmatched trailing
[TestCase("{nonvar}", typeof(VariableNotFoundException))] // non existent variable
public void ExpansionFails(string input, Type exceptionType)
{
Assert.That(() => VariableExpander.Expand(input, this._variables),
Throws.TypeOf(exceptionType));
}
}
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