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7f78342953
This is just a prototype to gather some feedback in our ongoing research on integration testing of Terraform modules. The hope is that by having a command integrated into Terraform itself it'll be easier for interested module authors to give it a try, and also easier for us to iterate quickly based on feedback without having to coordinate across multiple codebases. Everything about this is subject to change even in future patch releases. Since it's a CLI command rather than a configuration language feature it's not using the language experiments mechanism, but generates a warning similar to the one language experiments generate in order to be clear that backward compatibility is not guaranteed.
64 lines
1.9 KiB
Go
64 lines
1.9 KiB
Go
package arguments
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import (
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"flag"
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"io/ioutil"
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"github.com/hashicorp/terraform/tfdiags"
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)
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// Test represents the command line arguments for the "terraform test" command.
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type Test struct {
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Output TestOutput
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}
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// TestOutput represents a subset of the arguments for "terraform test"
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// related to how it presents its results. That is, it's the arguments that
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// are relevant to the command's view rather than its controller.
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type TestOutput struct {
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// If not an empty string, JUnitXMLFile gives a filename where JUnit-style
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// XML test result output should be written, in addition to the normal
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// output printed to the standard output and error streams.
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// (The typical usage pattern for tools that can consume this file format
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// is to configure them to look for a separate test result file on disk
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// after running the tests.)
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JUnitXMLFile string
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}
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// ParseTest interprets a slice of raw command line arguments into a
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// Test value.
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func ParseTest(args []string) (Test, tfdiags.Diagnostics) {
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var ret Test
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var diags tfdiags.Diagnostics
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// NOTE: ParseTest should still return at least a partial
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// Test even on error, containing enough information for the
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// command to report error diagnostics in a suitable way.
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f := flag.NewFlagSet("test", flag.ContinueOnError)
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f.SetOutput(ioutil.Discard)
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f.Usage = func() {}
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f.StringVar(&ret.Output.JUnitXMLFile, "junit-xml", "", "Write a JUnit XML file describing the results")
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err := f.Parse(args)
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if err != nil {
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diags = diags.Append(err)
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return ret, diags
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}
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// We'll now discard all of the arguments that the flag package handled,
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// and focus only on the positional arguments for the rest of the function.
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args = f.Args()
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if len(args) != 0 {
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diags = diags.Append(tfdiags.Sourceless(
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tfdiags.Error,
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"Invalid command arguments",
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"The test command doesn't expect any positional command-line arguments.",
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))
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return ret, diags
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}
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return ret, diags
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}
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