public void PassesPathToFileExists()
{
const string expectedPath = "foo_path";
string pathValue = null;
bool fileExists(string path) => (pathValue = path) != pathValue;
EnvironmentProperties.Map(expectedPath, fileExists, null, null, null);
pathValue.Should().Be(expectedPath);
}
public void DoesNotCallReadAllText()
{
string pathValue = null;
bool fileExists(string path) => false;
string readAllText(string path) => "all_text";
EnvironmentProperties.Map(
"foo_path", fileExists, readAllText, null, null);
pathValue.Should().BeNull();
}
public void GetEnvironmentPropertiesIsNotCalled()
{
string rawValue = null;
bool fileExists(string path) => true;
string readAllText(string path) => throw new Exception();
IEnumerable <(string, string)> getEnvironmentProperties(string raw) =>
(rawValue = raw) == rawValue?Enumerable.Empty <(string, string)>() : null;
EnvironmentProperties.Map(
"foo_path", fileExists, readAllText, getEnvironmentProperties, null);
rawValue.Should().BeNull();
}
public void PassesAllTextToGetEnvironmentProperties()
{
const string allText = "all_text";
string rawValue = null;
bool fileExists(string path) => true;
string readAllText(string path) => allText;
IEnumerable <(string, string)> getEnvironmentProperties(string raw) =>
(rawValue = raw) == rawValue?Enumerable.Empty <(string, string)>() : null;
EnvironmentProperties.Map(
"foo_path", fileExists, readAllText, getEnvironmentProperties, null);
rawValue.Should().Be(allText);
}
public void PassesPathToReadAllText()
{
const string expectedPath = "foo_path";
string pathValue = null;
bool fileExists(string path) => true;
string readAllText(string path) => pathValue = path;
IEnumerable <(string, string)> getEnvironmentProperties(string raw) =>
Enumerable.Empty <(string, string)>();
EnvironmentProperties.Map(
expectedPath, fileExists, readAllText, getEnvironmentProperties, null);
pathValue.Should().Be(expectedPath);
}
public void DoesNotCallSetEnvironmentVariable()
{
var expectedEnvironmentProperties = new List <(string, string)>
{
("foo", "bar"),
("baz", "qux")
};
var actualEnvironmentProperties = new List <(string, string)>();
bool fileExists(string path) => false;
string readAllText(string path) => "all_text";
IEnumerable <(string, string)> getEnvironmentProperties(string raw) => expectedEnvironmentProperties;
void setEnvironmentVariable(string variable, string value) =>
actualEnvironmentProperties.Add((variable, value));
EnvironmentProperties.Map(
"foo_path", fileExists, readAllText, getEnvironmentProperties, setEnvironmentVariable);
actualEnvironmentProperties.Should().BeEmpty();
}