2018-08-10 02:29:32 +00:00
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# HCL Language Test Suite
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This directory contains an implementation-agnostic test suite that can be used
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to verify the correct behavior not only of the HCL implementation in _this_
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repository but also of possible other implementations.
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The harness for running this suite -- a Go program in this directory -- uses
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the `hcldec` program as a level of abstraction to avoid depending directly on
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the Go implementation. As a result, other HCL implementations must also
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include a version of `hcldec` in order to run this spec.
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The tests defined in this suite each correspond to a detail of
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[the HCL spec](../hcl/spec.md). This suite is separate from and not a
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substitute for direct unit tests of a given implementation that would presumably
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also exercise that implementation's own programmatic API.
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To run the suite, first build the harness using Go:
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```
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2019-09-09 22:39:31 +00:00
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go install github.com/hashicorp/hcl/v2/cmd/hclspecsuite
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2018-08-10 02:29:32 +00:00
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```
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Then run it, passing it the directory containing the test definitions (the
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"tests" subdirectory of this directory) and the path to the `hcldec` executable
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to use.
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For example, if working in the root of this repository and using the `hcldec`
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implementation from here:
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```
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go install ./cmd/hcldec
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hclspecsuite ./specsuite/tests $GOPATH/bin/hcldec
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```
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For developers working on the Go implementation of HCL from this repository,
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please note that this spec suite is run as part of a normal `go test ./...`
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execution for this whole repository and so does not need to be run separately.
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