public async Task TestEnvironmentVariablesAreRead()
{
var reporter = new TestReporter();
var overrides = new Overrides
{
Replacements = new List <ReplacementDefinition>
{
new ReplacementDefinition {
Token = "herpa", EnvironmentVariable = "HERPA"
},
new ReplacementDefinition {
Token = "thomas", EnvironmentVariable = "THOMAS"
}
}
};
Environment.SetEnvironmentVariable("HERPA", "derpa");
Environment.SetEnvironmentVariable("THOMAS", "fromtidmouth");
var sut = new ReplacementTokensFromEnvironmentVariablesTransformer(reporter);
await sut.TransformAsync(overrides);
var expectedReplacements = new List <ReplacementDefinition>
{
new ReplacementDefinition {
Token = "herpa", EnvironmentVariable = "HERPA", Value = "derpa"
},
new ReplacementDefinition {
Token = "thomas", EnvironmentVariable = "THOMAS", Value = "fromtidmouth"
}
};
overrides.Replacements.ShouldDeepEqual(expectedReplacements);
}
public async Task TestEmptyOverridesShouldRemainEmpty()
{
var reporter = new TestReporter();
var emptyOverrides = new Overrides {
Replacements = new List <ReplacementDefinition>()
};
var sut = new ReplacementTokensFromEnvironmentVariablesTransformer(reporter);
await sut.TransformAsync(emptyOverrides);
emptyOverrides.Replacements.ShouldBeEmpty();
}
public async Task TestOverridesWithOnlyVerbatimReplacementsShouldRemainUnchanged()
{
var reporter = new TestReporter();
var tokenValuePairs = new Dictionary <string, string> {
{ "herpa", "derpa" }, { "thomas", "fromtidmouth" }
};
var overrides = CreateFrom(tokenValuePairs);
var overridesClone = CreateFrom(tokenValuePairs);
var sut = new ReplacementTokensFromEnvironmentVariablesTransformer(reporter);
await sut.TransformAsync(overrides);
overrides.ShouldDeepEqual(overridesClone);
}
public async Task TestUnsetEnvVarEmitsWarningMessage()
{
var reporter = new TestReporter();
var overrides = new Overrides
{
Replacements = new List <ReplacementDefinition>
{
new ReplacementDefinition {
Token = "herpa", EnvironmentVariable = "HERPA"
},
}
};
var sut = new ReplacementTokensFromEnvironmentVariablesTransformer(reporter);
await sut.TransformAsync(overrides);
reporter.WarnMessages.ShouldNotBeEmpty();
}
